NDZ3AT-120 Series DC Contactor, Nader

Rated current (A)

120A

Rated voltage Ue (V)

DC750V

Main Circuit Polarity

Polarized

Insulation voltage Ui (V)

DC1000V

Control Coil

Rated voltage Ui (V)

DC12V, DC24V

Operating Voltage

75%~110% Uc

Drop-out Voltage

10%~60% Uc

Coil Polarity

None

Turn-on Time (20°C, Rated Voltage)

≤30ms

Turn-off Time (20°C)

≤10ms

Coil Power Consumption (20°C)

6W

Installation position torque

M5 screw(3~4N.m)

Wiring terminal torque

M6 screw(5~6N.m)

Certificates

/

Mechanical life

300000 times, frequency 3600 times/h

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

DC450V 120A

1200 times

DC750V 120A

500 times

DC450V 120A

500 times

Maximum breaking current

DC450V 1200A

Once

Short-circuit withstand current

900A 6s

400A 40s

300A 2min

200A 10min

150A 2h

Contact Resistance (at Rated Current)

≤0.5mΩ

Insulation resistance

1000mΩ, DC1000V

Dielectric Strength

·Between open contacts: AC3000V for 1min (leakage current ≤1mA) ·Between contacts and coil: AC3000V for 1min (leakage current ≤1mA)

Shock Resistance

·Stability: 20g

(half-sine pulse: 11ms, detection time 10μs)

·Destruction: 50g

(half-sine pulse: 6ms)

Vibration Resistance

10~500Hz 5g

Product Weight

·With terminal bar: approx. 390g ·Without terminal bar: approx. 355g

Normal Working Environment

·Operating environment：-40~85℃

·Operating humidity：5%~95%

·Pollution level：3

Installation Mode

Screw mounting

Environmental Compliance

Comply with the RoHS directives