Specifications table for model AEVA1251
ItemPerformance characteristics
Rated Coil Voltage12V DC
Contact Arrangement1 Form A
Contact Capacity250 A
Protective ConstructionCapsule contact
Terminal TypeScrew terminal
Operating Function Single side stable
Operate (Set) Voltage (at20°C) (Initial) Max. 9 V DC
Release (Reset) voltage (at20°C) (Initial)Min. 0.5 V DC
Rated Operating Current [±10%] (at 20°C)0.5 A
Coil Resistance (At 20oC)24Ω
Rated Operating Power (at 20°C) 6.0 W
Max. applied voltage16 V DC
Contact MaterialCu alloy
Nominal Switching Capacity (Resistive Load) 250A 500V DC (Carry, 50mm2 wire)
Max. Carring Current 250 A continuous (50mm2 wire)
Min. Switching Load (Resistive) 1 A 12V DC (at 20°C)
Contact Voltage Drop (Initial)Max. 0.125 V (250A carry current)
Short Circuit Capacity 8,000 A (at Max. 5 ms), No smoke and no ignition
Insulation Resistance (Min. MΩ)(Initial)Min. 100 MΩ (At 1000 V DC, Measured portion is the same as the case of dielectric strength.)
Dielectric Strength (Between Open Contacts) (Initial)2,500 Vrms for 1min. (detection current: 10 mA.)
Dielectric Strength (Between Contacts and Coil) (Initial)2,500 Vrms for 1min. (detection current: 10 mA.)
Operate (Set) Time<br>(At Rated Coil Voltage) (At 20oC) (Initial)Max. 50 ms (without bounce)
Release (Reset) Time<br>(at Rated Coil Voltage) (at 20&deg;C) (Initial)Max. 30 ms (with no coil protective elements)
Shock Resistance: Functional For ON: Min. 588 m/s2 (Half-sine shock pulse: 11 ms; detection time: 10 µs)
For OFF: Min. 147 m/s2 (Half-sine shock pulse: 11 ms; detection time: 10 µs)
Shock Resistance: DestructiveMin. 588 m/s2 (Half-sine shock pulse: 11 ms)
Vibration Resistance: Functional10 to 200 Hz, 44.1 m/s2 (detection time: 10 µs)
Vibration Resistance: Destructive10 to 200 Hz, 44.1 m/s2 X, Y, Z direction: 4 hours
Expected Life: Mechanical LifeMin. 2 x 105
Expected Life: Switch-Off Life1,800 A 500 V DC, Min. 1 operation (No polarity)
Expected Life: Inrush Current (Capacitor)140 A 20 V DC, Min. 70,000 operations
ConditionsAmbient temperature: –40 to +85°C
Humidity: 5 to 85% R.H. (Avoid icing or condensation.)
Weight (Typ.)Approx. 400 g
Standard Packing 20 pcs (packed with 20pcs / 1 tray)
Usable Voltage Range10 V DC to 16 V DC

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