Hermetically Sealed Relay MY4H Hermetically Sealed Relay Ideal for Hazardous Locations * Class 1 Division 2 approved. * Fully hermetically sealed for hazardous locations. * Cadmium-free contacts for environment-friendly use. * Models with bifurcated contact also available. * UL recognized / CSA certified. Ordering Information Type Contact form Model Plug-in socket/solder terminals Hermetically sealed 4PDT MY4H-US 4PDT (bifurcated) MY4ZH-US Model Number Legend: MY 1 2 3 4 5 3. Enclosure ratings H: Hermetically sealed 4. Approval US: Class 1 Division 2 approval 5. Rated voltage DC12, DC24, AC24, AC110/120 1. Number of Poles 4: 4 poles 2. Contact Blank: Single Z: Bifurcated Specifications Ratings Coil Rated voltage (V) Rated current (mA) 50 Hz DC AC 60 Hz Coil resistance () 12 75 160 24 36.9 650 110/120 9.9/10.8 8.4/9.2 4,430 24 53.8 46 180 Must operate voltage 80% max. Must release voltage 10% min. Max. voltage 110% 30% min. Hermetically Sealed Relay Power consumption 900 mW 0.9-1.1 VA (60 Hz) MY4H 277 Contact Ratings Contact material Rated load Ag alloy Resistive p.f.=1 110 VAC, 3 A 24 VDC, 3A Inductive p.f.=0.4 L/R-7 ms 110 VAC, 0.8 A 24 VDC, 1.5 A Rated carry current 3A Max. switching voltage 125 VAC, 125 VDC Max. switching current 3A Max. switching power 330 VA 72 W Characteristics Contact resistance 50 m max. Operate time 20 ms max. Release time 20 ms max. Max. operating frequency Mechanical 18,000 operations/hr Electrical 1,800 operations/hr (under rated load) Insulation resistance 100 M min. (at 500 VDC) Dielectric strength 1,000 VAC, 1 min between coil and contacts 1,000 VAC, 1 min between contacts of different polarity 700 VAC, 1 min between contacts of same polarity Vibration resistance Shock resistance Destruction 10 to 55 Hz, 1.0 mm double amplitude Malfunction 10 to 55 Hz, 1.0 mm double amplitude Destruction 1,000 m/s2 Malfunction When energized: 200 m/s2 When not energized: 200 m/s2 Endurance Mechanical: Electrical: Ambient temperature Operating -25 to 60C Storage -25 to 60C Ambient humidity 5% to 85% Weight Approx. 50 g 278 Hermetically Sealed Relay MY4H 5,000,000 operations 50,000 operations Characteristic Data Maximum Switching Power Endurance MY4(Z)H MY4ZH Life expectancy (x104 operations) Switching current (A) AC resistive load AC inductive load (cos=0.4) DC resistive load DC inductive load (L/R = 7 ms) Switching voltage (V) 110 VAC resistive load 24 VDC resistive load 110 VAC inductive load (cos=0.4) 24 VDC inductive load (L/R = 7 ms) Switching current (A) Note: The endurance is for bifurcated contact models. Dimensions Unit: mm Solder Terminal Models MY4(Z)H Terminal Arrangement/ Internal Connections 2.6 (BOTTOM VIEW) Fourteen, 1.2-dia.x3, round holes 22 max. 28.5 max. 35 max. 6.4. (There is no coil polarity.) Hermetically Sealed Relay MY4H 279 Socket Track-mounted Socket Conforming to Class 1 Division 2 * Special Socket with Class 1 Division 2 approval. * Holding clips contribute to safety by preventing the Relay falling out of the Socket due to vibration. Ordering Information Item Pole Track-mounted socket 4 Model PYF14A-E Note: 1. Class 1 Division 2 approval is obtained for use with the MY4ZH Relay. 2. PYC-A1 hold-down clips are not included, but are recommended. (Clips are packaged 2 per set) Dimensions Unit: mm PYF14A-E Two, 4.2x5 6 mounting holes Terminal Arrangement/ Internal Connections (Top View) +0.2 -0.1 14-M3x8 72 max. 4 29.5 max. 31 max. 280 Hermetically Sealed Relay MY4H Mounting Holes MEMO Hermetically Sealed Relay MY4H All sales are subject to Omron Electronic Components LLC standard terms and conditions of sale, which can be found at http://www.components.omron.com/components/web/webfiles.nsf/sales_terms.html ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. OMRON ON-LINE OMRON ELECTRONIC COMPONENTS LLC Global - http://www.omron.com USA - http://www.components.omron.com 55 E. Commerce Drive, Suite B Schaumburg, IL 60173 847-882-2288 Cat. No. X301-E-1b 09/11 Hermetically Sealed Relay Specifications subject to change without notice MY4H Printed in USA Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Omron: PYF14A-E PYF14A-E-US