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| 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 operation indicator mechanism. * Same outline dimensions as the MY Miniature Power Relay. Ordering Information List of Models Contact form DPDT Plug-in/solder terminal model MY2K PCB terminal model MY2K-02 Accessories (Order Separately) Connecting Sockets No. of poles Without Relay Hold-down Clip With Hold-down Clip Front-connecting Socket Screw terminals PYF14A-E PYF14A PYF14-N --Solder terminals PY14 Back-connecting Socket Wire-wrap terminals PY14QN PCB terminals PY14-02 PY14-Y1 PY14QN-Y1 --- Note: Refer to the MY Datasheet for detail information on the Relay Hold-down Clips and Relay-mounting Sockets. 74 General-purpose Latching Relay MYK Specifications Coil Ratings Rated voltage Set coil Reset coil Must-set voltage Mustreset voltage Max. voltage Power consumption (Approx.) Set coil Reset coil Rated current 50 Hz AC 12 V 24 V 50 V 100 V DC 12 V 24 V 57 mA 60 Hz 56 mA Resistance 72 Rated current 50 Hz 39 mA 3.5 mA 3.5 mA 50 mA 25 mA 60 Hz Resistance 80% max. % of rated voltage 80% max. 110% 38.2 mA 130 3.4 mA 3.4 mA 3,000 3,000 235 940 27.5 mA 26.4 mA 320 14.0 mA 13.4 mA 1,400 7.1 mA 110 mA 52 mA 6.9 mA 5,400 110 470 18.6 mA 18.1 mA 550 0.6 to 0.9 0.2 to 0.5 (60 Hz) (60 Hz) 1.3 W 0.6 W 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 23C 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 5C to 35C. Contact Ratings Item Rated load Rated carry current Max. switching voltage Max. switching current Max. switching power Failure rate* (reference value) *Note: P level: 60 = 0.1 x 10-6/operation 3A 250 VAC, 125 VDC 3A 660 VA, 72 W 1 mA at 1 VDC 176 VA, 36 W Resistive load (cos = 1) 3 A at 220 VAC, 3 A at 24 VDC Inductive load (cos = 0.4) (L/R = 7 ms) 0.8 A at 220 VAC, 1.5 A at 24 VDC Characteristics Contact resistance Set time Reset time Max. operating frequency Insulation resistance Dielectric strength Vibration resistance Shock resistance Endurance Ambient temperature Ambient humidity Weight 50 m max. Time: Min. pulse width: Time: Min. pulse width: AC: 30 ms max.; DC: 15 ms max. AC: 60 ms.; DC: 15 ms. AC: 30 ms max.; DC: 15 ms max. AC: 60 ms.; DC: 15 ms. Mechanical: 18,000 operations/hr Electrical: 1,800 operations/hr (under rated load) 100 M min. (at 500 VDC) 1,500 VAC, 50/60 Hz for 1 min (1,000 VAC between contacts of same polarity and between set and reset coils) 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) Destruction: 1,000 m/s2 Malfunction: 200 m/s2 Mechanical: 100,000,000 operations min. (at 18,000 operations/hr) Electrical: 200,000 operations min. (at 1,800 operations/hr) Operating: Approx. 30 g -55C to 60C (with no icing) Operating: 5% to 85% Note: The data shown above are initial values. General-purpose Latching Relay MYK 75 Engineering Data Maximum Switched Power Endurance (x103 operations) AC resistive load AC inductive load (cos = 0.4) Endurance Endurance (x103 operations) Switching current (A) 5,000 110 VAC resistive load 220 VAC resistive load 5,000 1,000 500 1,000 500 110 VAC inductive load (cos = 0.4) DC resistive load DC inductive load (L/R = 7 ms) 30 VDC resistive load 10 10 220 VAC inductive load (cos = 0.4) 30 VDC inductive load (L/R = 7 ms) Switching voltage (V) Switching current (A) 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 36 max. 6.4 21.5 max. MY2K-02 2.6 Mounting Holes (Bottom View) 13.2 4.4 3.5 0.5 28 max. 6.3 36 max. 4 21.5 max. 6.3 4.3 4.1 6.35 3.75 12.65 Ten, 1.3-dia. holes Note: Dimensional tolerances are 0.1 mm. 76 General-purpose Latching Relay MYK Terminal Arrangement/Internal Connections (Bottom View) AC Model DC Model Use at 220 VAC R Rs: 7.3 k 3 W Rr: 14.3 k 1 W Note: 1. Resistor is for ampere-turn compensation and is incorporated in the Relay rated at 50 VAC or above. 2. Pay attention to the polarity of the set and reset coils, as incorrect connection of positive and negative terminal will result in the Relay malfunctioning. When using the Relay rated at 110 VAC at a supply voltage of 220 VAC, be sure to connect external resistors Rs and Rr to the Relay. If the supply voltage is applied to the set and reset coils at the same time, the Relay will be put in the set state. ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. Cat. No. J013-E1-02 In the interest of product improvement, specifications are subject to change without notice. General-purpose Latching Relay MYK 77 |
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