NDZ3X-20 Series DC Contactor, Nader

Contact Polarity

Polarized

Coil Polarity

Non-polarized

Number of poles

Single pole

Rated current (A)

20A

Rated voltage (V)

DC750V

Insulation voltage Ui (V)

1000V

Contact Resistance

≤5mΩ

Certificates

/

Mounting screw torque

NDZ3X-20B M4 (2~3N.m)

NDZ3X-20C M3 (0.8~1.1N.m)

Circuit Type

DC

Rated Control Voltage (Uc)

DC12V, DC24V Working Voltage: 75%–110% Uc Drop-out Voltage: 10%–60% Uc

Mechanical life

200,000 times

Frequency: 3600 times/h

Electrical life(Make 0.6s/Break 5.4s, Resistive Load)

·Switching: DC450V 10A: 10,000 times

DC450V 20A: 3,000 times

·Making: DC450V 20A: 100,000 times DC750V 6A: 75,000 times

Maximum Breaking Current(A)

DC450V 30A (5 times)

Short-time Withstand Current

200A for 600ms

Insulation Resistance

≥1000 mΩ, 500V DC

Dielectric Strength

·Main Circuit: AC2500V 60s (leakage ≤1mA) ·Main Circuit to Coil: AC3000V 60s (leakage ≤1mA)

Coil Power Consumption (20°C)

3W

Pick-up Time

≤30ms

Drop-out Time

≤10ms

Shock Resistance

·Stability: 20g (half-sine pulse: 11ms, detection time 10μs) ·Destruction: 50g (half-sine pulse: 6ms)

Vibration Resistance

10~500Hz 5g

Normal Working Environment

·Operating environment：-40~85℃

·Operating humidity：5%~95%

·Pollution level：3

·Protection class：IP67(Except the connecting terminals)

·Installation direction:Vertical installation

·Mode of connection: Straight line connection

·Wire cross-section area≥4mm²