Single-phase Current Relay K8AK-AS Ideal for Current Monitoring for Industrial Facilities and Equipment. * Monitor for overcurrents or undercurrents. * Use commercially available CTs (CT current on secondary side: 0 to 1 A or 0 to 5 A). * Manual resetting and automatically resetting supported by one Relay. * Startup lock and operating time can be set separately. * One SPDT output relay, 5 A at 250 VAC (resistive load). * Output relay can be switched between normally open and normally closed. * Output status can be monitored using LED indicator. * Inputs are isolated from the power supply. Refer to Safety Precautions on page 9. Refer to page 8 for commonly asked questions. For the most recent information on models that have been certified for safety standards, refer to your OMRON website. Ordering Information List of Models Setting range Power supply voltage Model 2 to 20 mA AC/DC, 10 to 100 mA AC/DC, 50 to 500 mA AC/DC 24 VAC/DC K8AK-AS1 24 VAC/DC 100 to 240 VAC K8AK-AS1 100-240 VAC 0.1 to 1 A AC/DC, 0.5 to 5 A AC/DC, 0.8 to 8 A AC/DC 24 VAC/DC K8AK-AS2 24 VAC/DC 100 to 240 VAC K8AK-AS2 100-240 VAC 10 to 100 A AC*, 20 to 200 A AC* 24 VAC/DC K8AK-AS3 24 VAC/DC 100 to 240 VAC K8AK-AS3 100-240 VAC *1 The K8AK-AS3 is designed to be used in combination with an OMRON K8AC-CT200L Current Transformer (CT). (Direct input is not possible.) Accessory (Order Separately) OMRON CT Appearance Commercially Available CTs* Input range Applicable Relay 10 to 100 A AC, K8AK-AS3 20 to 200 A AC Model K8AC-CT200L Appearance CT current on secondary side 0 to 1 A AC, 0 to 5 A AC Applicable Relay K8AK-AS2 * If you use a commercially available CT, do not exceed the overload capacity of the K8AK-AS2. 1 K8AK-AS Ratings and Specifications Input Range Range*1 Model K8AK-AS1 K8AK-AS2 K8AK-AS3 Connection terminal 0 to 20 mA AC/DC I1-COM 0 to 100 mA AC/DC I2-COM 0 to 500 mA AC/DC I3-COM Setting range 2 to 20 mA AC/DC, 10 to 100 mA AC/ DC, 50 to 500 mA AC/DC Input impedance Approx. 5 Direct input Approx. 1 Direct input Approx. 0.2 Direct input Approx. 0.12 (Load : 0.5 VA) 0 to 1 A AC/DC I1-COM 0 to 5 A AC/DC I2-COM 0 to 8 A AC/DC I3-COM Approx. 0.02 (Load : 3 VA) 0 to 100 A AC I2-COM --- 0 to 200 A AC I3-COM 0.1 to 1 A AC/DC, 0.5 to 5 A AC/DC, 0.8 to 8 A AC/DC 10 to 100 A AC*2, 20 to 200 A AC*2 Input type Approx. 0.02 (Load : 1.5 VA) --- Direct input or commercially available CT Overload capacity Continuous input at 120% of maximum input 1 s at 150% OMRON CT Continuous input at 120% with an OMRON CT (K8ACCT200L). OMRON CT 30 s at 200% 1 s at 600% * CT capacity on primary side. *1 The range is selected using connected terminals. *2 The K8AK-AS3 is designed to be used in combination with an OMRON K8AC-CT200L Current Transformer (CT). (Direct input is not possible.) Ratings Power supply voltage 2 Isolated power supply 24 VAC/DC 100 to 240 VAC Power consumption 24 VAC/DC: 2.0 VA/1.1 W max. 100 to 240 VAC: 4.6 VA max. Operating value setting range (SV) 10% to 100% of the maximum value of the setting range K8AK-AS1: 2 to 20 mA AC/DC 10 to 100 mA AC/DC 50 to 500 mA AC/DC K8AK-AS2: 0.1 to 1 A AC/DC (Compatible with commercially available CTs.) 0.5 to 5 A AC/DC (Compatible with commercially available CTs.) 0.8 to 8 A AC/DC K8AK-AS3: When used with the OMRON CT (K8AC-CT200L). 10 to 100 A AC 20 to 200 A AC Operating value 100% operation at set value Reset value setting range (HYS.) 5% to 50% of operating value Reset method Manual reset/automatic reset (switchable) Note: Manual reset: Turn OFF power supply for 1 s or longer. Operating time setting range (T) 0.1 to 30 s Startup lock time setting range (LOCK) Note: Enabled only for overcurrent operation. 0 to 30 s (The startup lock timer starts when the input has reached approximately 30% or more of the set value.) Note: Enabled only for overcurrent operation. Indicators Power (PWR): Green, Relay output (RY): Yellow, Alarm outputs (ALM): Red Input impedance Refer to Input Range on this page. Output relays One SPDT relay (NO/NC switched using DIP switch.) Output relay ratings Rated load Resistive load 5 A at 250 VAC 5 A at 30 VDC Maximum switching capacity: 1,250 VA, 150 W Minimum load: 5 VDC, 10 mA (reference values) Mechanical life: 10 million operations min. Electrical life: 5 A at 250 VAC or 30 VDC: 50,000 operations 3 A at 250 VAC/30 VDC:100,000 operations Ambient operating temperature -20 to 60C (with no condensation or icing) Storage temperature -25 to 65C (with no condensation or icing) Ambient operating humidity 25% to 85% (with no condensation) Storage humidity 25% to 85% (with no condensation) Altitude 2,000 m max. Terminal screw tightening torque 0.49 to 0.59 N*m K8AK-AS Terminal wiring method Recommended wire Solid wire: 2.5 mm2 Twisted wires: AWG16, AWG18 Note: 1. Ferrules with insulating sleeves must be used with twisted wires. 2. Two wires can be twisted together. Recommended ferrules Al 1,5-8BK (for AWG16) manufactured by Phoenix Contact Al 1-8RD (for AWG18) manufactured by Phoenix Contact Al 0,75-8GY (for AWG18) manufactured by Phoenix Contact Case color N1.5 Case material PC and ABS, UL 94 V-0 Weight Approx. 150 g Mounting Mounts to DIN Track Dimensions 22.5 x 90 x 100 mm (WxHxD) Specifications Allowable operating voltage range 85% to 110% of power supply voltage Allowable operating frequency range 50/60 Hz 5 Hz Input frequency range K8AK-AS1 and K8AK-AS2: DC input or AC input (45 to 65 Hz) K8AK-AS3: AC input (45 to 65 Hz) Overload capacity K8AK-AS1 and K8AK-AS2: Continuous input at 120% of maximum input, 1 s at 150% K8AK-AS3: Continuous input at 120%, 30 s at 200%, and 1 s at 600% with an OMRON CT (K8AC-CT200L) Note: Overload capacity of primary side of CT. Repeat error Applicable standards Operating value 0.5% full scale (at 25C and 65% humidity, rated power supply voltage, DC or 50/60 Hz sine wave input) Operating time 50 ms (at 25C and 65% humidity, rated power supply voltage) Conforming standards EN 60947-5-1 Installation environment (pollution level 2, installation category III) EMC EN 60947-5-1 Safety standards UL 508 (Recognition), Korean Radio Waves Act (Act 10564), CSA: C22.2 No.14, CCC: GB14048.5 Insulation resistance 20 M min. Between external terminals and case Between power supply terminals and input terminals Between power supply terminals and output terminals Between input terminals and output terminals Dielectric strength 2,000 VAC for one minute Between external terminals and case Between power supply terminals and input terminals Between power supply terminals and output terminals Between input terminals and output terminals Noise immunity 1,500 V power supply terminal common/normal mode Square-wave noise of 1 s/100 ns pulse width with 1-ns rise time Vibration resistance Frequency 10 to 55 Hz, 0.35-mm single amplitude, acceleration 50 m/s2 10 sweeps of 5 min each in X, Y, and Z directions Shock resistance 100 m/s2, 3 times each in 6 directions along 3 axes Degree of protection Terminals: IP20 Relationship of Mounting Distance between K8AK-AS Relays and Input Current (Reference Values) The following diagram shows the relationship between the mounting distances and the input current. If the relay is used with an input current that exceeds these values, the temperature of the K8AK may rise and shorten the life of the internal components. AS (I3 terminal) I=1A Ambient temperature [C] 60 50 I=5A I=8A I=3A 40 Test method 30 Sample: K8AK-AS Applied voltage: 240 VAC Mounting distances: 0, 5, and 10 mm min. 20 10 K8AK No.1 0 5 10 Distance between products d [mm] K8AK No.2 K8AK No.3 K8AK No.4 K8AK No.5 15 DIN Track Distance between products: d 3 K8AK-AS Connections Terminal Diagram K8AK-AS1 100-240VAC A B Control Output A Current Input A1 C A2 I1 I2 I3 AS2 AS1 C AS3 C C A2 A1 I1 I2 I3 I1 100 A max. 8 A max. 5 A max. 1 A max. 500 mA max. 24 VAC/DC A2 A1 20 mA max. 100 to 240 VAC 100 mA max. B Power Supply Voltage I2 I3 I1 CT 200 A max. Relay output 250 VAC, 5 A (resistive load) 30 VDC, 5 A (resistive load) I2 CT I3 Relay Output (No polarity) Common 11 11 Note: 1. 2. 3. 4. 5. 6. 12 12 14 14 Do not connect anything to terminals that are shaded in gray. There is no polarity for the DC power supply input. For the current input, you can input only from the C terminal and one other terminal. Refer to Setting Ranges and Wiring Connections on the I1, I2, and I3 current input terminals. Use the recommended ferrules if you use twisted wires. The K8AK-AS3 is designed to be used in combination with the OMRON K8AC-CT200L Current Transformer (CT). Wiring Example Directly Inputting a Current Using a CT Single-phase power supply Load Single-phase power supply Load CT Power A2 supply voltage A1 Power supply A2 voltage A1 A1 C A2 A1 C A2 I1 I2 I3 I1 I2 I3 Power supply AC/DC 11 12 Power supply AC/DC 11 14 12 14 Timing Charts Overcurrent Operation Diagram (Output Relay Drive Method: Normally Open) Undercurrent Operation Diagram (Output Relay Drive Method: Normally Closed) DIP switch setting: SW3 OFF. DIP switch setting: SW3 ON. Power supply voltage Hysteresis (-5% to 50% of operating value) Power supply voltage Set value Input Set value Flashing Alarm indicator Lit Relay 11-14 Hysteresis (5% to 50% of operating value) Flashing Lit Relay 11-14 Relay 11-12 Relay 11-12 t: Operating time (0.1 to 30 s) t LOCK: Startup lock time (0 to 30 s) LOCK 4 Input Alarm indicator t t: Operating time (0.1 to 30 s) K8AK-AS Nomenclature Indicators Front Item Terminal block (See notes 1 and 2.) Current knob (SV) Power indicator Meaning Power indicator (PWR: Green) Lit when power is being supplied. Relay status indicator (RY: Yellow) Lit when relay is operating. Alarm indicator (ALM: Red) Lit when there is an overcurrent or undercurrent. The indicator flashes to indicate the error status after the input has exceeded the set value while the operating time is being clocked. Hysteresis knob (HYS.) Relay status indicator Alarm indicator Operating time knob (T) Setting Knobs Item Startup lock time knob (LOCK) Terminal block (See notes 1 and 2.) Usage Current knob (SV) Used to set the current to 10% to 100% of maximum setting range. Hysteresis knob (HYS.) Used to set the rest value to 5% to 50% of the operating value. Operating time knob (T) Used to set the operating time to 0.1 to 30 s. Startup lock time knob (LOCK) Used to set the startup lock time to 0 to 30 s. Note: 1. Use either a solid wire of 2.5 mm2 maximum or a ferrule with insulating sleeve for the terminal connection. The length of the exposed current-carrying part inserted into the terminal must be 8 mm or less to maintain dielectric strength after connection. For 2.5 mm2 or smaller solid wires 8 mm max. For ferrules with an insulation sleeve. 8 mm max. Recommended ferrules Phoenix Contact * Al 1,5-8BK (for AWG16) * Al 1-8RD (for AWG18) * Al 0,75-8GY (for AWG18) 2. Tightening torque: 0.49 to 0.59 N*m 5 K8AK-AS Operation Methods Setting Ranges and Wiring Connections Model K8AK-AS1 K8AK-AS2 K8AK-AS3 Setting range Input type Wiring connections 2 to 20 mA AC/DC Direct input I1-COM 10 to 100 mA AC/DC Direct input I2-COM 50 to 500 mA AC/DC Direct input I3-COM 0.1 to 1 A AC/DC I1-COM 0.5 to 5 A AC/DC Direct input or commercially available CT 0.8 to 8 A AC/DC --- I3-COM 10 to 100 A AC* OMRON CT I2-COM 20 to 200 A AC* OMRON CT I3-COM Note: The DC input terminals have no polarity. * The K8AK-AS3 is designed to be used in combination with the OMRON K8AC-CT200L Current Transformer (CT). (Direct input is not possible.) I2-COM Connections Input Connect the input between the I1-COM, I2-COM, or I3-COM terminals, according to the input current. Malfunctions may occur if the input is connected to unused terminals and the Unit will not operate correctly. Terminal I1 is not used by the K8AK-AS3. If using the OMRON K8AC-CT200L CT, connect to terminals k and l on the K8AC-CT200L. (Terminals kt and lt are not used.) Single-phase power K8AK-AS3 A1 Power supply voltage Power Supply A2 K8ACCT200L Connect the power supply to terminals A1 and A2. Outputs k Terminals 11, 12, and 14 are the output terminals (SPDT) for overvoltage. Note: Use the recommended ferrules if using twisted wires. Current input C (COM) l 14 Signal output 12 DIP Switch Settings The resetting method, relay drive method, and operating mode are set using the DIP switch located on the bottom of the Unit. K8AK-AS@ does not use SW1. I1 I2 I3 11 Relay signal output Load DIP Switch Functions OFF OFF 1 2 3 4 Manual reset --- --- Automatic reset --- --- --- --- --- --- Overcurrent --- --- Undercurrent --- --- OFF Pin ON ON SW4 SW3 SW2 DIP switch pins SW1 Resetting method ON Normally open Relay drive method Operating mode Normally closed Not used. Note: All pins are set to OFF by default. Setting Method Setting Current The current knob (SV) is used to set the current. The current can be set to 10% to 100% of the maximum setting range. Turn the knob while there is an input to the input terminals until the alarm indicator flashes (when the set value and the input have reached the same level.) Use this as a guide to set the current. The maximum setting range will differ depending on the model and the input terminal. Example: K8AK-AS3 Using Input Terminals I3-COM The maximum setting range will be 200 A AC and the setting range will be 20 to 200 A. Hysteresis Hysteresis is set using the hysteresis knob (HYS.) The setting range is 5 to 50% of the operating value. Turn the knob while there is an input to the input terminals until the alarm indicator flashes (when the set value and the input have reached the same level.) Use this as a guide to set the hysteresis. Example: Maximum of 200 A AC, Current Set Value (SV) of 50%, and Overcurrent Operation Operation will be at 100 A and resetting at 90 A when the hysteresis (HYS.) is set to 10%. 6 K8AK-AS Operating Time The operating time is set using the operating time knob (T). The operating time can be set to between 0.1 and 30 s. Turn the knob while there is an input to the input terminals until the alarm indicator flashes (when the set value and the input have reached the same level.) Use this as a guide to set the operating time. If the input current exceeds (drops lower than) the set value, the alarm indicator will start flashing for the set period and then stay lit. Startup Lock Time Inrush current The startup lock time is set using the startup lock time knob (LOCK). The startup lock time can be set to between 0 and 30 s. Turn the knob while there is an input to the input terminals until the alarm indicator flashes (when the set value and the input have reached the same level.) Use this as a guide to set the startup lock time. The startup lock time will start when the input current reaches 30% or more of the set value. Use startup lock time to prevent unwanted operation, e.g., as a result of inrush current. Current set value 30% of current set value Startup lock time There are no outputs Startup lock timer start during this period. Dimensions (Unit: mm) Single-phase Current Relays K8AK-AS1 K8AK-AS2 K8AK-AS3 22.5 100 90 72 5 OMRON CT K8AC-CT200L 9.3 9.3 1.7 1.7 4.7 11 63 54 Four M4 x 6 screws 20 Mounting Hole Dimensions 17 50 8.5 13.5 Two M5 screw holes or two 5.5-dia. holes 34.5 81.5 76 33.5 6 57 14.5 30 dia. 14.5 86 5.2 10 10 Note: The OMRON Current Transformer (CT) is designed to be used with the K8AK-AS3. Use terminals k and l for connections. (Terminals kt and lt are not used.) 20 1.8 4.1 5.9 76 Optional Parts for DIN Track Mounting DIN Tracks PFP-100N PFP-50N 7.30.15 4.5 350.3 15 25 10 25 25 1,000 (500)* 10 25 15 (5)* 270.15 1 *Dimensions in parentheses are for the PFP-50N. 7 K8AK-AS Questions and Answers Checking Operation Q Overcurrents Gradually increase the input from 80% of the set value. The input will equal the operating value when the input exceeds the set value and the alarm indicator starts flashing. Operation can be checked by the relay outputs that will start after the operating time has passed. Undercurrent Gradually decrease the input from 120% of the setting and check the operation using the same method as for overcurrent. Example: Overcurrent Operating Mode, Normally Open Relay Drive, and an Operating Time of 5 s Set value Current input Lit Flashing Alarm indicator 5s Relay output Can a motor with a rated current of 5 A be monitored using the K8AK? Are there any application precautions? The K8AK-AS1 and K8AK-AS2 cannot be used with motor loads. Use the K8AK-AS3 in combination with the K8ACCT200L Current Transformer (CT). With motor loads, the startup current and stall current will cause a current of many times the rated current to flow. Refer to the following figure for information on the motor startup current. Motor current (percentage of rated value) Q 500% 100% Several seconds to several tens of seconds Time from beginning of startup Connection Diagram A 100 VAC 0 to 10 A 30 400 W (two in parallel) Output Input terminals Power supply Variable autotransformer A1 A2 100 VAC For a motor with a rating of 5 A, the startup current will be approximately 30 A. The startup current will exceed the overload capacity (rating: 150% for 1 s) of the K8AK-AS1 and K8AK-AS2 and result in failure of the Relay. To monitor the motor load, use the K8AK-AS3. (Overload capacity: 120% of rating for continuous load, 200% of rating for 30 s, and 600% of rating for 1 s). The K8AK-AS3 has a large input range. Pass the conductors multiple times through the special CT. Primary-side conductor To the K8AK-AS3 C 100 V Cycle counter Q How to Measure the Operating Time Overcurrent Change the input suddenly from 0% to 120% of the set value and measure the time until the Unit operates. Undercurrent Change the input suddenly from 120% to 0% of the set value and measure the time until the Unit operates. Q Monitoring Switch-mode Power Supplies Switch-mode Power Supplies cannot be monitored. In circuits with a capacitor input, including switch-mode power supplies, the input capacitor recharge current flows in pulse form as the load current. The K8AK-AS@ has a built-in filter as a countermeasure against high frequencies and cannot be used to remove pulse current. 8 K8AC-CT200L Concept behind Passing Conductor through the CT When Using the K8AK-AS3 Example: Monitoring Overload of a Motor with a Rated Current of 5 A K8AK set value: Overcurrent detection, operating value setting: 25%, operating time: 0.1 s Startup lock timer: 0.1 to 30 s (Set the timer according to the duration of the startup current.) The setting range for the K8AK-AS3 is 10% to 100% of the rated current (i.e., 10 to 100 A). Pass the conductors through the CT five times so that at least 10 A of current flows. The input current to the K8AK will be 25 A (i.e., 5 A x 5 loops). If a startup current of six times the rated current is generated, it will be 150 A (i.e., 25 A x 6). The overload capacity for the K8AK-AS3 is 200% of the rating for 30 s. The Relay will not fail even if the startup current continues for 30 s, and it is possible to perform overload detection. K8AK-AS Safety Precautions Be sure to read the precautions for all models in the website at the following URL: http://www.ia.omron.com/. Warning Indications CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or in property damage. Precautions for Safe Use Supplementary comments on what to do or avoid doing, to use the product safely. Precautions for Correct Use Supplementary comments on what to do or avoid doing, to prevent failure to operate, malfunction, or undesirable effects on product performance. Meaning of Product Safety Symbols CAUTION Electrical shock may cause minor injury. Do not touch terminals while electricity is being supplied. There is a risk of minor electrical shock, fire, or device failure. Do not allow any pieces of metal, conductors, or cutting chips that occur during the installation process to enter the product. Explosions may cause minor injuries. Do not use the product in locations with inflammable or explosive gases. Used to warn of the risk of electric shock under specific conditions. There is a risk of minor electrical shock, fire, or device failure. Do not disassemble, modify, repair, or touch the inside of the product. Used for general prohibitions for which there is no specific symbol. Loose screws may cause fires. Tighten terminal screws to the specified torque of 0.49 to 0.59 N*m. Used to indicate prohibition when there is a risk of minor injury from electrical shock or other source if the product is disassembled. Use of excessive torque may damage the terminal screws. Tighten terminal screws to the specified torque of 0.49 to 0.59 N*m. Used for general mandatory action precautions for which there is no specified symbol. Use of the product beyond its life may result in contact welding or burning. Make sure to consider the actual operating conditions and use the product within its rated load and electrical life count. The life of the output relay varies significantly with the switching capacity and switching conditions. 9 K8AK-AS Precautions for Safe Use 1. Do not use or store the product in the following locations. * Locations subject to water or oil * Outdoor locations or under direct sunlight * Locations subject to dust or corrosive gases (particularly sulfurizing gases, ammonia, etc.) * Locations subject to rapid temperature changes * Locations prone to icing and dew condensation * Locations subject to excessive vibration or shock * Locations subject to wind and rain * Locations subject to static electricity and noise * Habitats of insects or small animals 2. Use and store the product in a location where the ambient temperature and humidity are within the specified ranges. If applicable, provide forced cooling. 3. Mount the product in the correct direction. 4. Check terminal polarity when wiring and wire all connections correctly. The power supply terminals do not have polarity. 5. Do not wire the input and output terminals incorrectly. 6. Make sure the power supply voltage and loads are within the specifications and ratings for the product. 7. Make sure the crimp terminals for wiring are of the specified size. 8. Do not connect anything to terminals that are not being used. 9. Use a power supply that will reach the rated voltage within 1 second after the power is turned ON. 10.Keep wiring separate from high voltages and power lines that draw large currents. Do not place product wiring in parallel with or in the same path as high-voltage or high-current lines. 11.Do not install the product near equipment that generates high frequencies or surges. 12.The product may cause incoming radio wave interference. Do not use the product near radio wave receivers. 13.Install an external switch or circuit breaker and label it clearly so that the operator can quickly turn OFF the power supply. 14.Make sure the indicators operate correctly. Depending on the application environment, the indicators may deteriorate prematurely and become difficult to see. 15.Do not use the product if it is accidentally dropped. The internal components may be damaged. 16.Be sure you understand the contents of this catalog and handle the product according to the instructions provided. 17.Do not install the product in any way that would place a load on it. 18.When discarding the product, properly dispose of it as industrial waste. 19.When using the product, remember that the power supply terminals carry a high voltage. 20.The product must be handled only by trained electrician. 21.Prior to operation, check the wiring before you supply power to the product. 22.Do not install the product immediately next to heat sources. 23.Perform periodic maintenance. Precautions for Correct Use Observe the following operating methods to prevent failure and malfunction. 1. Use the power supply voltage, input power, and other power supplies and converters with suitable capacities and rated outputs. 2. Use a precision screwdriver or similar tool to adjust the setting knobs. 3. The distortion in the input waveform must be 30% max. If the input waveform is distorted beyond this level, it may cause unnecessary operation. 4. Error will be large if the product is used for thyristor or inverter control. 5. To reduce the error in the setting knob, always turn the setting knob from the minimum setting toward the maximum setting. 6. When cleaning the product, do not use thinners or solvents. Use commercial alcohol. Mounting and Removing * Mounting to DIN Track 1. Catch the upper hook on the DIN Track. 2. Push the product onto the Track until the hooks lock into place. A B * Removing from the DIN Track Pull down on the bottom hook with a flat-blade screwdriver and lift up on the product. Applicable DIN Tracks: PFP-100N (100 cm) PFP-50N (50 cm) Adjusting the Setting Knobs * Use a screwdriver to adjust the setting knobs. The knobs have a stopper that prevents them from turning beyond the full right or left position. Do not force a knob beyond these points. Setting knob 10 Terms and Conditions of Sale 1. Offer; Acceptance. 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Omron Companies shall not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice, recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above warranty. See http://www.omron247.com or contact your Omron representative for published information. Limitation on Liability; Etc. OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY. Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted. Indemnities. Buyer shall indemnify and hold harmless Omron Companies and their employees from and against all liabilities, losses, claims, costs and expenses (including attorney's fees and expenses) related to any claim, investigation, litigation or proceeding (whether or not Omron is a party) which arises or is alleged to arise from Buyer's acts or omissions under these Terms or in any way with respect to the Products. Without limiting the foregoing, Buyer (at its own expense) shall indemnify and hold harmless Omron and defend or settle any action brought against such Companies to the extent based on a claim that any Product made to Buyer specifications infringed intellectual property rights of another party. Property; Confidentiality. Any intellectual property in the Products is the exclusive property of Omron Companies and Buyer shall not attempt to duplicate it in any way without the written permission of Omron. Notwithstanding any charges to Buyer for engineering or tooling, all engineering and tooling shall remain the exclusive property of Omron. All information and materials supplied by Omron to Buyer relating to the Products are confidential and proprietary, and Buyer shall limit distribution thereof to its trusted employees and strictly prevent disclosure to any third party. Export Controls. Buyer shall comply with all applicable laws, regulations and licenses regarding (i) export of products or information; (iii) sale of products to "forbidden" or other proscribed persons; and (ii) disclosure to non-citizens of regulated technology or information. Miscellaneous. (a) Waiver. No failure or delay by Omron in exercising any right and no course of dealing between Buyer and Omron shall operate as a waiver of rights by Omron. (b) Assignment. Buyer may not assign its rights hereunder without Omron's written consent. (c) Law. These Terms are governed by the law of the jurisdiction of the home office of the Omron company from which Buyer is purchasing the Products (without regard to conflict of law principles). (d) Amendment. These Terms constitute the entire agreement between Buyer and Omron relating to the Products, and no provision may be changed or waived unless in writing signed by the parties. (e) Severability. If any provision hereof is rendered ineffective or invalid, such provision shall not invalidate any other provision. (f) Setoff. Buyer shall have no right to set off any amounts against the amount owing in respect of this invoice. (g) Definitions. As used herein, "including" means "including without limitation"; and "Omron Companies" (or similar words) mean Omron Corporation and any direct or indirect subsidiary or affiliate thereof. Certain Precautions on Specifications and Use 1. Suitability of Use. Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the combination of the Product in the Buyer's application or use of the Product. At Buyer's request, Omron will provide applicable third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine, system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product with respect to Buyer's application, product or system. Buyer shall take application responsibility in all cases but the following is a non-exhaustive list of applications for which particular attention must be given: (i) Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this document. (ii) Use in consumer products or any use in significant quantities. (iii) Energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles, safety equipment, and installations subject to separate industry or government regulations. (iv) Systems, machines and equipment that could present a risk to life or property. Please know and observe all prohibitions of use applicable to this Product. NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO 2. 3. 4. 5. ADDRESS THE RISKS, AND THAT THE OMRON'S PRODUCT IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM. Programmable Products. Omron Companies shall not be responsible for the user's programming of a programmable Product, or any consequence thereof. Performance Data. Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of Omron's test conditions, and the user must correlate it to actual application requirements. Actual performance is subject to the Omron's Warranty and Limitations of Liability. Change in Specifications. Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice to change part numbers when published ratings or features are changed, or when significant construction changes are made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers may be assigned to fix or establish key specifications for your application. Please consult with your Omron's representative at any time to confirm actual specifications of purchased Product. Errors and Omissions. Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical or proofreading errors or omissions. OMRON AUTOMATION AND SAFETY * THE AMERICAS HEADQUARTERS * Chicago, IL USA * 847.843.7900 * 800.556.6766 * www.omron247.com OMRON CANADA, INC. * HEAD OFFICE Toronto, ON, Canada * 416.286.6465 * 866.986.6766 * www.omron247.com OMRON ARGENTINA * SALES OFFICE Cono Sur * 54.11.4783.5300 OMRON ELECTRONICS DE MEXICO * HEAD OFFICE Mexico DF * 52.55.59.01.43.00 * 01-800-226-6766 * mela@omron.com OMRON CHILE * SALES OFFICE Santiago * 56.9.9917.3920 OMRON ELECTRONICS DE MEXICO * SALES OFFICE Apodaca, N.L. * 52.81.11.56.99.20 * 01-800-226-6766 * mela@omron.com OTHER OMRON LATIN AMERICA SALES 54.11.4783.5300 OMRON ELETRONICA DO BRASIL LTDA * HEAD OFFICE Sao Paulo, SP, Brasil * 55.11.2101.6300 * www.omron.com.br OMRON EUROPE B.V. * Wegalaan 67-69, NL-2132 JD, Hoofddorp, The Netherlands. * +31 (0) 23 568 13 00 * www.industrial.omron.eu Authorized Distributor: Automation Control Systems * Machine Automation Controllers (MAC) * Programmable Controllers (PLC) * Operator interfaces (HMI) * Distributed I/O * Software Drives & Motion Controls * Servo & AC Drives * Motion Controllers & Encoders Temperature & Process Controllers * Single and Multi-loop Controllers Sensors & Vision * Proximity Sensors * Photoelectric Sensors * Fiber-Optic Sensors * Amplified Photomicrosensors * Measurement Sensors * Ultrasonic Sensors * Vision Sensors Industrial Components * RFID/Code Readers * Relays * Pushbuttons & Indicators * Limit and Basic Switches * Timers * Counters * Metering Devices * Power Supplies Safety * Laser Scanners * Safety Mats * Edges and Bumpers * Programmable Safety Controllers * Light Curtains * Safety Relays * Safety Interlock Switches /*& Note: Specifications are subject to change. Printed on recycled paper. (c) 2014 Omron Electronics LLC Printed in U.S.A. Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Omron: K8AK-AS2 100-240VAC K8AK AS3 100-240VAC K8AK-AS2 24VAC/DC K8AK-AS3 24VAC/DC K8AK-AS1 100240VAC K8AK-AS1 24VAC/DC