Earth-Leakage Circuit Breaker (Thermal Magnetic)

Earth-Leakage Circuit Breaker
Earth-Leakage Circuit Breaker (Thermal Magnetic)

ZLM30L-400 Earth-Leakage Circuit Breaker
Parameters of ZLM30L-400 Earth-Leakage Circuit Breaker

Frame current (A) 400
Type ZLM30L-400S ZLM30L-400H
Rated current in (A) 250, 315, 350, 400A 250, 315, 350, 400A
Poles 3 4 3 4
Ue (V) AC400
Rated insulation voltage Ui (V) AC690
AC400 Short-circuit interrupting capacity lcu/1cs 50/30 70/70
Operation life (cycle) Power on 2000
Power off 4000
High speed type Rated current sensitivity (mA) 30, 100, 500 (Adjustable) 30, 100, 500 (Adjustable)
Max. operating time(s) 0.1 0.1
Time delay type Rated current sensitivity (mA) 100, 300, 500 (Adjustable) 100, 300, 500 (Adjustable)
Max. operating time under2I△n 0.45,1.0,2.0 0.45,1.0,2.0
Earth-leakage indication system Button Button
Dimensions (mm)
a 140 185 140 185
b 257 257
c 103 103
ca 155 155
Weight (kg) 6.6 8.4 6.6 8.4
Electrical-operation device (MD)
External rotary handle
Automatic tripping device thermal-magnetic thermal-magnetic

Please click Here to download a PDF file for detailed outer dimensions and mounting illustrations.

This earth-leakage circuit breaker falls into two types: ZLM30L-400S earth-leakage circuit breaker and ZLM30L-400H earth-leakage circuit breaker. Commonly used to control and protect the electrical circuit from damage, this earth-leakage circuit breaker has a long operation life of 4000 hours (power off). Located in Suzhou city of China, we enjoy low labor, land and material cost. Therefore, we can offer you high quality earth-leakage circuit breakers at low prices. Please feel free to contact us for quotation or other details!

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