General-purpose Latching Relay MYK Magnetic Latching Relay Ideal for Memory and Data Transmission Circuits • Double-winding latch system that holds residual magnetism.  Changes due to aging are negligible because of use of special magnetic materials, thus ensuring long continuous holding time.  Little change in characteristics such as contact follow, contact pressure, etc., throughout its long life.  Excellent vibration/shock resistance.  Easy monitoring of ON/OFF operation thanks to the built-in op- eration indicator mechanism.  Same outline dimensions as the MY Miniature Power Relay. Ordering Information ■ List of Models Contact form Plug-in/solder PCB terminal terminal model model DPDT MY2K MY2K-02 ■ Accessories (Order Separately) Connecting Sockets Front-connecting Socket Back-connecting Socket Screw terminals Solder terminals Wire-wrap terminals PCB terminals Without Relay PYF14A-E PY14 PY14QN PY14-02 Hold-down Clip PYF14A PYF14-N With Hold-down --- PY14-Y1 PY14QN-Y1 --- Clip Note: Refer to the MY Datasheet for detail information on the Relay Hold-down Clips and Relay-mounting Sockets. General-purpose Latching Relay MYK 1 Specifications ■ Coil Ratings Rated voltage Set coil Reset coil Must-set Must- Max. Power voltage reset voltage consumption voltage (Approx.) Rated current Resistance Rated current Resistance % of rated voltage Set coil Reset coil 50 Hz 60 Hz 50 Hz 60 Hz AC 12 V 57 mA 56 mA 72 Ω 39 mA 38.2 mA 130 Ω 80% 80% 110% 0.6 to 0.9 0.2 to 0.5 max. max. (60 Hz) (60 Hz) 24 V 27.5 mA 26.4 mA 320 Ω 18.6 mA 18.1 mA 550 Ω 50 V 14.0 mA 13.4 mA 1,400 Ω 3.5 mA 3.4 mA 3,000 Ω 100 V 7.1 mA 6.9 mA 5,400 Ω 3.5 mA 3.4 mA 3,000 Ω DC 12 V 110 mA 110 Ω 50 mA 235 Ω 1.3 W 0.6 W 24 V 52 mA 470 Ω 25 mA 940 Ω Note: 1. For AC models, the rated current values are half-wave rectified current values measured with a DC ammeter. 2. The rated current and coil resistance are measured at a coil temperature of 23°C with tolerances of +15%/–20% for AC rated current and ±15% for DC rated current, and +15% for DC coil resistance. 3. The AC coil resistance values are for reference only. 4. Performance characteristic data are measured at a coil temperature of 5°C to 35°C. ■ Contact Ratings Item Resistive load (cosφ = 1) Inductive load (cosφ = 0.4) (L/R = 7 ms) Rated load 3 A at 220 VAC, 3 A at 24 VDC 0.8 A at 220 VAC, 1.5 A at 24 VDC Rated carry current 3 A Max. switching voltage 250 VAC, 125 VDC Max. switching current 3 A Max. switching power 660 VA, 72 W 176 VA, 36 W Failure rate* (reference value) 1 mA at 1 VDC -6 *Note: P level: λ = 0.1 x 10 /operation 60 ■ Characteristics Contact resistance 50 mΩ max. Set time Time: AC: 30 ms max.; DC: 15 ms max. Min. pulse width: AC: 60 ms.; DC: 15 ms. Reset time Time: AC: 30 ms max.; DC: 15 ms max. Min. pulse width: AC: 60 ms.; DC: 15 ms. Max. operating frequency Mechanical: 18,000 operations/hr Electrical: 1,800 operations/hr (under rated load) Insulation resistance 100 MΩ min. (at 500 VDC) Dielectric strength 1,500 VAC, 50/60 Hz for 1 min (1,000 VAC between contacts of same polarity and between set and reset coils) Vibration resistance Destruction: 10 to 55 to 10 Hz, 0.5 mm single amplitude (1.0 mm double amplitude) Malfunction: 10 to 55 to 10 Hz, 0.5 mm single amplitude (1.0 mm double amplitude) 2 Shock resistance Destruction: 1,000 m/s 2 Malfunction: 200 m/s Endurance Mechanical: 100,000,000 operations min. (at 18,000 operations/hr) Electrical: 200,000 operations min. (at 1,800 operations/hr) Ambient temperature Operating: –55°C to 60°C (with no icing) Ambient humidity Operating: 5% to 85% Weight Approx. 30 g Note: The data shown above are initial values. 2 General-purpose Latching Relay MYK Engineering Data Maximum Switched Power Endurance AC resistive load 5,000 5,000 AC 110 VAC resistive load inductive load 220 VAC 110 VAC inductive load (cosφ = resistive load (cosφ = 0.4) 0.4) 1,000 1,000 500 500 DC resistive load 30 VDC resistive DC inductive load load 220 VAC 30 VDC inductive load (L/R = 7 ms) 10 inductive load 10 (L/R = 7 ms) (cosφ = 0.4) Switching current (A) Switching voltage (V) Switching current (A) Dimensions MY2K 2.6 Ten, 1.2-dia. holes x 2.2 elliptic holes 0.5 28 max. 6.3 0.5 21.5 max. 36 max. 6.4 MY2K-02 2.6 Mounting Holes (Bottom View) 13.2 4.4 3.5 4.3 0.5 4.1 12.65 28 max. 6.35 6.3 6.3 3.75 Ten, 1.3-dia. holes 36 max. 4 21.5 max. Note: Dimensional tolerances are ±0.1 mm. General-purpose Latching Relay MYK 3 Switching current (A) 3 Endurance (x10 operations) 3 Endurance (x10 operations) Terminal Arrangement/Internal Connections (Bottom View) AC Model DC Model Use at 220 VAC R Rs: 7.3 kΩ 3 W Rr: 14.3 kΩ 1 W Note: 1. Resistor is for ampere-turn compensation and is When using the Relay rated at 110 VAC at a supply volt- incorporated in the Relay rated at 50 VAC or above. age of 220 VAC, be sure to connect external resistors Rs and Rr to the Relay. 2. Pay attention to the polarity of the set and reset coils, as incorrect connection of positive and negative ter- If the supply voltage is applied to the set and reset coils minal will result in the Relay malfunctioning. at the same time, the Relay will be put in the set state. General-purpose Latching Relay MYK Terms and Conditions of Sale 1. Offer; Acceptance. 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Information presented by Omron Companies has been NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS checked and is believed to be accurate; however, no responsibility is assumed RISK TO LIFE OR PROPERTY OR IN LARGE QUANTITIES WITHOUT for clerical, typographical or proofreading errors or omissions. ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO Note: This datasheet is provided as a guideline for selecting products. Do not use this document to operate the Unit. ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. 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