CB AUTOMOTIVE RELAY WITH ISO TERMINAL ARRANGEMENT CB RELAYS FEATURES RoHS Directive compatibility information http://www.mew.co.jp/ac/e/environment/ ORDERING INFORMATION CB Contact arrangement 1a: 1 Form A 1: 1 Form C Contact rating Nil: Standard type H: High contact capacity type V: 35 A type Protective construction Nil: Sealed type F: Flux-resistant type Heat resistant of types Nil: Standard type T: Heat resistant type Protective element Nil: None D: with diode inside R: with resistor inside Mounting classification Nil: Plug-in type P: PC board type M: Bracket type Coil voltage (DC) 12V, 24 V 1. This relay has an ISO (International Organization for Standardization) terminal arrangement. Terminals are all solder plated. *35 A type: Terminal is the plug-in type (no plating). 2. Relay is compact and high capacity (40 A). Compact form factor realized with space saving 22 x 26 mm .866 x 1.024 inch small base area thanks to integrated bobbin and base construction. Features high switching capacity of 40 A 3. Features high thermal resistance of 125C 257F (heat resistant type). Heat resistant type is available that can withstand use near engines. (40 A switching capacity) 4. Sealed type available for resisting adverse environments. 5. Surge absorbing built-in diode type that works when the relay coil is off and an internal resistor type are available. (Please inquire.) 6. Protective element type is also available. 7. For only plug-in types, types with nominal switching capacities of 35 A (12 V) and 15 A (24 V) are available. TYPICAL APPLICATIONS 1. Automobiles Headlights, Cell motors, Air conditioners, ABS, EPS, etc. 2. Construction equipment 3. Agricultural equipment, Conveyor, etc. CB TYPES 1. Standard type Contact arrangement Mounting classification PC board type 1 Form A Plug-in type Bracket type PC board type 1 Form C Plug-in type Bracket type PC board type* High contact capacity (1 Form A) Plug-in type Bracket type 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC Sealed type Part No. CB1a-P-12V CB1a-P-24V CB1a-12V CB1a-24V CB1a-M-12V CB1a-M-24V CB1-P-12V CB1-P-24V CB1-12V CB1-24V CB1-M-12V CB1-M-24V Flux-resistant type Part No. CB1aF-P-12V CB1aF-P-24V CB1aF-12V CB1aF-24V CB1aF-M-12V CB1aF-M-24V CB1F-P-12V CB1F-P-24V CB1F-12V CB1F-24V CB1F-M-12V CB1F-M-24V 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC CB1aH-P-12V CB1aH-P-24V CB1aH-12V CB1aH-24V CB1aH-M-12V CB1aH-M-24V CB1aHF-P-12V CB1aHF-P-24V CB1aHF-12V CB1aHF-24V CB1aHF-M-12V CB1aHF-M-24V Nominal coil voltage Packing quantity; Carton: 50 pcs. Case: 200 pcs. Notes: 1. Please use "CBR" to order built-in resistor type and "CBD" to order built-in diode type. (Asterisks "" should be filled in from parts table.) 2. *Regarding solder, this product is not MIL (Military Standard) compliant. Please evaluate solder mounting by the actual equipment before using. 2. Heat resistant type Contact arrangement Mounting classification PC board type 1 Form A Plug-in type Bracket type PC board type 1 Form C Plug-in type Bracket type PC board type* High contact capacity (1 Form A) Plug-in type Bracket type 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC Sealed type Part No. CB1a-T-P-12V CB1a-T-P-24V CB1a-T-12V CB1a-T-24V CB1a-T-M-12V CB1a-T-M-24V CB1-T-P-12V CB1-T-P-24V CB1-T-12V CB1-T-24V CB1-T-M-12V CB1-T-M-24V Flux-resistant type Part No. CB1aF-T-P-12V CB1aF-T-P-24V CB1aF-T-12V CB1aF-T-24V CB1aF-T-M-12V CB1aF-T-M-24V CB1F-T-P-12V CB1F-T-P-24V CB1F-T-12V CB1F-T-24V CB1F-T-M-12V CB1F-T-M-24V 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC CB1aH-T-P-12V CB1aH-T-P-24V CB1aH-T-12V CB1aH-T-24V CB1aH-T-M-12V CB1aH-T-M-24V CB1aHF-T-P-12V CB1aHF-T-P-24V CB1aHF-T-12V CB1aHF-T-24V CB1aHF-T-M-12V CB1aHF-T-M-24V Nominal coil voltage Packing quantity; Carton: 50 pcs. Case: 200 pcs. Notes: 1. Please use "CBR" to order built-in resistor type and "CBD" to order built-in diode type. (Asterisks "" should be filled in from parts table.) 2. *Regarding solder, this product is not MIL (Military Standard) compliant. Please evaluate solder mounting by the actual equipment before using. 3. 35 A type (*Terminals are all of the plug-in type.) Contact arrangement 1 Form A 1 Form C 1 Form A with resistor inside 1 Form C with resistor inside 1 Form A with diode inside 1 Form C with diode inside Packing quantity; Carton: 50 pcs. Case: 200 pcs. Nominal coil voltage 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC Sealed type Part No. CB1aV-12V CB1aV-24V CB1V-12V CB1V-24V CB1aV-R-12V CB1aV-R-24V CB1V-R-12V CB1V-R-24V CB1aV-D-12V CB1aV-D-24V CB1V-D-12V CB1V-D-24V Flux-resistant type Part No. CB1aVF-12V CB1aVF-24V CB1VF-12V CB1VF-24V CB1aVF-R-12V CB1aVF-R-24V CB1VF-R-12V CB1VF-R-24V CB1aVF-D-12V CB1aVF-D-24V CB1VF-D-12V CB1VF-D-24V CB RATING 1. Coil data 1) 1. No protective element and with diode inside Contact arrangement Nominal coil voltage Pick-up voltage (Initial, at 20C 68F) Drop-out voltage (Initial, at 20C 68F) 1 Form A, 1 Form C 12V DC 24V DC 3 to 7V DC 6 to 14V DC 1.2 to 4.2V DC 2.4 to 8.4V DC High contact capacity (1 Form A) 12V DC 3 to 7V DC 1.2 to 4.2V DC 24V DC 6 to 14V DC 2.4 to 8.4V DC Nominal operating current (at 20C 68F) Coil resistance (10%) (at 20C 68F) Nominal operating power (at 20C 68F) 117mA 75mA 117mA 150mA 58mA 75mA 103 320 103 80 411 320 1.4W 1.8W 1.4W (PC board type) 1.8W 1.4W (PC board type) 1.8W Usable voltage range 10 to 16V DC 20 to 32V DC 10 to 16V DC 20 to 32V DC Note: Other pick-up voltage types are also available. Please contact us for details. 2) With resistor inside Contact arrangement Nominal coil voltage Pick-up voltage (Initial, at 20C 68F) Drop-out voltage (Initial, at 20C 68F) Nominal operating current (at 20C 68F) Combined resistance (10%) (at 20C 68F) Nominal operating power (at 20C 68F) Usable voltage range 1 Form A, 1 Form C 12V DC 24V DC 3 to 7V DC 6 to 14V DC 1.2 to 4.2V DC 2.4 to 8.4V DC 134mA 84mA 89.5 287.2 1.6W 2.0W 10 to 16V DC 20 to 32V DC 2. Specifications 1) Standard type (12 V coil voltage) Characteristics Item Arrangement Contact 1 Form A Contact resistance (Initial) Contact material Nominal switching capacity (Initial) Rating Electrical characteristics Mechanical characteristics Expected life Conditions Specifications Max. carrying current (Initial) (14V DC, at 85C 185F, continuous) Nominal operating power Min. switching capacity*1 Initial insulation resistance Between open contacts Between contacts and coil Operate time (at nominal voltage) (at 20C 68F) Release time (at nominal voltage) (at 20C 68F) Typ2m (By voltage drop 6 V DC 1 A) Ag alloy (Cadmium free) 40A 14V DC N.O.: 40A 14V DC N.C.: 30A 14V DC 70A 14V DC (at 20C 68F) 50A 14V DC (at 85C 185F) N.O.: 40A N.O.: 40A, N.C.: 30A N.O.: 40A 1.4W Min. 20 M (at 500 V DC) Max. 15ms (at 20C 68F, excluding contact bounce time) (Initial) Max. 15ms (at 20C 68F, excluding contact bounce time, without diode) (Initial) Min. 200 m/s2 {20G} Min. 1,000 m/s2 {100G} Functional Shock resistance Destructive Functional Destructive Electrical (at nominal switching capacity) Mechanical Conditions for operation, transport and storage*2 Max. operating speed Unit weight 1.4W 1.8W (1.4W: PC board type) 1A 12V DC (12V DC), 1A 24V DC (24V DC) 500 Vrms for 1 min. (Detection current: 10mA) 500 Vrms for 1 min. (Detection current: 10mA) Initial breakdown voltage Vibration resistance High contact capacity (1 Form A) 1 Form C 10 Hz to 500 Hz, Min. 44.1m/s2 {4.5G} 10 Hz to 2,000 Hz, Min. 44.1m/s2 {4.5G} Time of vibration for each direction; X. Y. Z direction: 4 hours Flux-resistant type: Min. 105, Sealed type: Min. 5x104 (Operating frequency: 2s ON, 2s OFF) Min. 106 (at 120 cpm) Standard type; Ambient temp: -40 to +85C -40 to +185F, Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature) Heat resistant type; Ambient temp: -40 to +125C -40 to +257F, Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature) 15 cpm (At nominal switching capacity) Approx. 33 g 1.16 oz Notes: *1. This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the actual load. *2. The upper operation ambient temperature limit is the maximum temperature that can satisfy the coil temperature rise value. Refer to Conditions for operation, transport and storage mentioned in AMBIENT ENVIRONMENT. 2) Standard type (24 V coil voltage) Characteristics Item Arrangement Contact 1 Form A Contact resistance (Initial) Contact material Nominal switching capacity (Initial) Rating Specifications Max. carrying current (Initial) (28V DC, at 85C 185F, continuous) Nominal operating power 20A 28V DC 1 Form C Max. 15m (By voltage drop 6 V DC 1 A) Ag alloy (Cadmium free) N.O.: 20A 28V DC N.C.: 10A 28V DC High contact capacity (1 Form A) 20A 28V DC 20A N.O.: 20A, N.C.: 10A 20A 1.8W 1.8W 1.8W, 1.4W (PC board type) Note: All other specifications are the same as those of standard type (12 V coil voltage) CB 3) Heat resistant type (12 V and 24 V coil voltage) Characteristics Specifications Item 12V Arrangement 24V High contact capacity 1 Form A (1 Form A) Max. 15m (By voltage drop 6 V DC 1 A) Ag alloy (Cadmium free) 1 Form A 1 Form C 40A 14V DC N.O.: 40A 14V DC N.C.: 30A 14V DC 50A 14V DC N.O.: 50A 14V DC 45A 50A N.C.: 30A 14V DC 14V DC 14V DC Contact Contact resistance (Initial) Contact material Nominal switching capacity (Initial) Rating Max. carrying current (Initial) (at 85C 185F, continuous)* Nominal operating power 1.4W 1.4W 40A 14V DC 1.8W 1.4W (PC board type) 1 Form C High contact capacity (1 Form A) 20A 28V DC N.O.: 20A 28V DC N.C.: 10A 28V DC 20A 28V DC 25A 28V DC N.O.: 25A 28V DC N.C.: 10A 28V DC 25A 28V DC 1.8W 1.8W 1.8W, 1.4W (PC board type) Notes: 1. All other specifications are the same as those of standard type (12 V coil voltage) 2. *Current value in which carry current is possible when the coil temperature is 180C 356F 4) 35 A type (12 V coil voltage) Characteristics Contact Rating Item Arrangement Contact resistance (Initial) Contact material Nominal switching capacity (Resistive load) Max. carrying current (Initial) (14V DC, at 85C 185F, continuous) Nominal operating power Min. switching capacity (Reference value)* Specifications 1 Form A 1 Form C Typ2m (By voltage drop 6 V DC 1 A) Ag alloy (Cadmium free) 35A 14V DC N.O.: 35A 14V DC, N.C.: 25A 14V DC N.O.: 35A 1.4W, 1.6W (with resistor inside) 1A 12V DC (12V DC), 1A 24V DC (24V DC) Initial insulation resistance Electrical characteristics Between open contacts Between contacts and coil Operate time (at nominal voltage) Release time (at nominal voltage) Initial breakdown voltage Shock resistance Mechanical characteristics Expected life Conditions Unit weight Functional Destructive N.O.: 35A, N.C.: 25A Min. 20 M (at 500 V DC) 500 Vrms for 1 min. (Detection current: 10mA) 500 Vrms for 1 min. (Detection current: 10mA) Max. 15ms (excluding contact bounce time) (Initial) Max. 15ms (excluding contact bounce time, without diode) (Initial) Min. 100 m/s2 {10G} (Half-wave pulse of sine wave: 11ms; detection: 10s) Min. 1,000 m/s2 {100G} (Half-wave pulse of sine wave: 6ms) 10 Hz to 100 Hz, Min. 44.1m/s2 {4.5G} (Detection time: 10s) 10 Hz to 2,000 Hz, Min. 44.1m/s2 {4.5G} Time of vibration for each direction; X. Y. Z direction: 4 hours Flux-resistant type: Min. 105, Sealed type: Min. 5x104 (Operating frequency: 2s ON, 2s OFF) Electrical (at nominal switching capacity) With diode inside: Min. 5x104 (Operating frequency: 2s ON, 2s OFF) Mechanical Min. 106 (at 120 cpm) Ambient temp: -40C to +85C -40F to +185F Conditions for operation, transport and storage Humidity: 5% R.H. to 85% R.H. (Not freezing and condensing at low temperature) Max. operating speed 15 cpm (At nominal switching capacity) Approx. 26 g .92 oz, Approx. 28 g .99 oz (with diode inside) Vibration resistance Functional Destructive Note: * This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the actual load. 5) 35 A type (24 V coil voltage) Characteristics Item Contact Arrangement Nominal switching capacity (Resistive load) Max. carrying current Rating (14V DC, at 85C 185F, continuous) Nominal operating power Note: All other specifications are the same as those of 35 A type (12 V coil voltage). Specifications 1 Form A 15A 28V DC 1 Form C N.O.: 15A 28V DC, N.C.: 25A 14V DC N.O.: 15A N.O.: 15A, N.C.: 8A 1.8W, 2.0W (with resistor inside) CB DIMENSIONS (Unit: mm inch) 1. PC board type External dimensions Schematic (Bottom view) 1 Form A 86 25.0 .984 30 87 85 4.5 .177 1.0 .039 Including diode type, including resistor type also available 2.15 6.3 .085 .248 26.0 1.024 22.0 .866 1 Form C 86 30 87a 87 85 86 0.8 .031 Including diode type, including resistor type also available 8.4 .331 16.8 .661 87a 30 87 85 8 .315 8.4 17.9 .331 .705 PC board pattern (Bottom view) 2.6 .102 4(or5)-2.6 4(or5)-.102 1 Form C type only 86 8.4 .331 87a Dimension: General tolerance Max. 1mm .039 inch: 0.1 .004 1 to 3mm .039 to .118 inch: 0.2 .008 Min. 3mm .118 inch: 0.3 .012 30 87 4(or5)-1.4 4(or5)-.055 16.8 .661 85 1 Form C type only 8.0 .315 8.4 .331 17.9 .705 2. Plug-in type * The dimensions are the same as those of 35A type. External dimensions Schematic (Bottom view) 1 Form A 86 25.0 .984 30 87 85 Including diode type, including resistor type also available 4.0 11.0.157 .433 5-6.3 5-.248 26.0 1.024 1.7 dia. .067 dia. 22.0 .866 0.8 .031 85 87a 87 Including diode type, including resistor type also available 87a 30 85 86 30 8.4 .331 86 1 Form C 87 8 .315 8.4 .331 17.9 .705 16.8 .661 2.6 .102 Dimension: General tolerance Max. 1mm .039 inch: 0.1 .004 1 to 3mm .039 to .118 inch: 0.2 .008 Min. 3mm .118 inch: 0.3 .012 CB 3. Bracket type External dimensions 16.0 .630 5.40.1 dia. .213.004 Schematic (Bottom view) 4.00.1 .157.004 1.7 .067 1 Form A 86 30 6.0 16.0 .236 .630 87 85 Including diode type, including resistor type also available 1 Form C 25.0 .984 86 30 4.0 11.0.157 .433 22.0 .866 85 87 Including diode type, including resistor type also available 5-6.3 5-.248 26.0 1.024 1.7 dia. .067 dia. 87a 0.8 .031 30 86 85 87a* 87 8 .315 2.6 .102 16.8 .661 17.9 .705 8.4 .331 8.4 .331 Dimension: General tolerance Max. 1mm .039 inch: 0.1 .004 1 to 3mm .039 to .118 inch: 0.2 .008 Min. 3mm .118 inch: 0.3 .012 4. High contact capacity (1 Form A) (Plug-in type) External dimensions Schematic (Bottom view) 86 30 25.5 1.004 85 87 Including diode type, including resistor type also available 4.0 .157 11.0 .433 15.0 .591 5.8 .228 2-6.3 0.08 2-.248 .003 26.5 1.043 4-1.7 dia. hole 4-.067 dia. hole 22.0 .866 2-9.50.08 2-.374.003 8.4 .331 0.8 .031 86 1.2 .047 16.8 .661 30 87 85 8.4 .331 17.9 .705 2.6 .102 Dimension: General tolerance Max. 1mm .039 inch: 0.1 .004 1 to 3mm .039 to .118 inch: 0.2 .008 Min. 3mm .118 inch: 0.3 .012 CB 5. High contact capacity (1 Form A) (PC board type) External dimensions Schematic (Bottom view) 86 30 25.5 1.004 1.0 .039 1.0 .039 4.5 .177 5.3 .209 3-1.7 3-.067 2-0.8 2-.031 A* 87 85 5.3 .209 2-2.15 6.3 2-.085 9.5 .374 .248 26.5 1.043 Sealed by epoxy resin 2-1.2 2-.047 1.0 .039 9.5 .374 22.0 .866 4.5 .177 3-1.7 3-.067 Including diode type, including resistor type also available PC board pattern (Bottom view) 1.4 .055 8.4 .331 3-2.15 3-.085 2.6 .102 86 30 85 87 3.9 .154 16.8 3.9 .661 .154 86 3-1.8 3-.071 30 87 8.4 7.8 .331 16.8 .307 .661 85 8.4 .331 3.9 3.9 .154 .154 17.9 .705 3-2.15 3-.085 2.6 .102 * Intervals between terminals is measured at A surface level. Dimension: General tolerance Max. 1mm .039 inch: 0.1 .004 1 to 3mm .039 to .118 inch: 0.2 .008 Min. 3mm .118 inch: 0.3 .012 Cautions regarding the protection element 1. Part numbers without protection elements 1) 12 V models When connecting a coil surge protection circuit to these relays, we recommend a zener diode with a zener voltage of 24 V or higher, or a resistor (680 to 1,000). When a diode is connected to the coil in parallel, the release time will slow down and working life may shorten. Before use, please check the circuit and verify that the diode is not connected in parallel to the coil drive circuit. 2) 24 V models When connecting a coil surge protection circuit to these relays, we recommend a zener diode with a zener voltage of 48 V or higher, or a resistor (2,800 to 4,700). When a diode is connected to the coil in parallel, the release time will slow down and working life may shorten. Before use, please check the circuit and verify that the diode is not connected in parallel to the coil drive circuit. 2. Part numbers with diodes These relays use a diode in the coil surge protection element. Therefore, the release time is slower and the working life might be shorter compared to part numbers without protection elements and part numbers with resistors. Be sure to use only after evaluating under actual load conditions. 3. Part numbers with resistors This part number employs a resistor in the coil surge protection circuit; therefore, an external surge protection element is not required. In particular, when a diode is connected in parallel with a coil, the release time becomes slower which could adversely affect working life. Please check the circuit and make sure that a diode is not connected in parallel with the coil drive circuit. For Cautions for Use, see Relay Technical Information. 7.8 .307 8.4 .331 17.9 .705 3-1.8 3-.071