Specifications table for model AEV19024
ItemPerformance characteristics
Terminal TypeScrew terminal
Coil Terminal StructureConnector
Rated Coil Voltage24V DC
Contact Capacity300 A
Protective ConstructionCapsule contact
Operating Function Single side stable
Operate (Set) Voltage (at20°C) (Initial) Max. 18 V DC
Release (Reset) voltage (at20°C) (Initial)Min. 4 V DC
Rated Operating Current [±10%] (at 20°C)1.85 A (Inrush)
Rated Operating Power (at 20°C) Inrush: 44.4 W (approx. 0.1 sec.)
Stable: 3.8 W
Max. applied voltage32V DC
Contact Arrangement1 Form A
Contact MaterialCopper alloy
Nominal Switching Capacity (Resistive Load) 300A 450V DC (Carry, 100mm2 wire)
Max. Carring Current 300A Continuity
400A 10 min.
600A 1 min.
(100mm2 wire)
Min. Switching Load (Resistive) 1A 24V DC (at 20°C)
Contact Voltage Drop (Initial)Max. 0.06 V (300 A carry current)
Insulation Resistance (Min. MΩ)(Initial)Min. 100 MΩ (At 500 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: 10mA.)
Dielectric Strength (Between Contacts and Coil) (Initial)2,500 Vrms for 1min. (detection current: 10mA.)
Operate (Set) Time<br>(At Rated Coil Voltage) (At 20oC) (Initial)Max. 30 ms (without bounce)
Release (Reset) Time<br>(at Rated Coil Voltage) (at 20&deg;C) (Initial)Max. 10 ms
Shock Resistance: Functional For ON: Min. 196 m/s2 (half-sine shock pulse: 11 ms, detection time: 10 µs)
For OFF: Min. 98 m/s2 (half-sine shock pulse: 11 ms, detection time: 10 µs)
Shock Resistance: DestructiveMin. 490 m/s2 (half-sine shock pulse: 6 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 (Time of vibration for each direction; X, Y, Z direction: 4 hours)
Expected Life: Mechanical LifeMin. 2 x 105
Expected Life: Electrical Life (Resistive)300A 450V DC, Min. 1,000 operations
Expected Life: Switch-Off Life[Forward direction]:
2,500 A 300 V DC, Min. 3 operations
600 A 450 V DC, Min. 50 operations
[Reverse direction]: -300 A 200 V DC, Min. 100 operations
Expected Life: Inrush Current (Capacitor)240 A 20 V DC, Min. 70,000 operations
ConditionsAmbient temperature: –40 to +85°C
Humidity: 5 to 85% R.H. (Avoid icing when using at temperatures lower than 0°C.)
Weight (Typ.)Approx. 750 g
Inner Carton (Pieces)1
Outer Carton (Pieces) 5
Usable Voltage Range20 V DC to 32 V DC

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