Molded Case Circuit Breaker

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Molded Case Circuit Breaker

RDM1L molded case circuit breaker is extensively used in the power distribution network of AC 50/60Hz and with rated voltage of 400V and rated current up to 800A. This electrical switch can protect people against direct contact with dangerous electric current and prevent fire disaster caused by false circuit connection and ground fault, etc. It can also be used to distribute electric power and protect power equipment against damage caused by overload and short circuit, and can change the circuit and start the motor infrequently.

This molded case circuit breaker is in conformation with IEC60947-2 standard.

Specifications

Type RDM1L-100 RDM1L-225 RDM1L-400 RDM1L-630, 800
Frame Current Inm(A) 100 225 400 630,800
Rated current In(A) 10,16,20,25,32,40,
50,63,80,100
100,125,140,160,
180,200,225
225,315,
350,400
400,500,630
/700,800
Pole Number 2 3 4 2 3 4 2 3 4 2 3 4
Rated Insulation Voltage Ui(V) AC800
Rated Operational Voltage Ue(V) AC400
Rated Impulse Withstand Voltage Uimp(V) 8000
Arc-over Distance(mm) 50 100
Grade of the breaking Ability L M H L M H L M H L M H
Limiting Short-circuit Breaking Ability Icu(kA) AC400V 35 50 85 35 50 85 50 65 100 50 65 100
Operating Short-circuit breaking Ability Icu(Ka)/AC400V AC400V 22 35 50 22 35 50 35 42 65 35 42 65
Rated Residual Short-circuit Connecting (Breaking)Ability I△m(kA) 8.75 12.5 21 8.75 12.5 21 12.5 13.5 25 12.5 13.5 25
Rated residual Working Current I△n Undelay 30/100/500, 100/300/500 30/100/500, 100/300/500 100/300/500 100/300/500
Delay 100/300/500 100/300/500 100/300/500 300/500/1000
Rated Residual Non-acting Current I△no(mA) 1/2 I△n
Mechanical Endurance(time) Electrical 1500 1000 1000 1000
Mechanical 8500 7000 4000 4000
Total 10000 8000 5000 5000
Working Time of Residual Current Protection I△n 2I△n 5I△n 10I△n
Maximum Breaking Time Non-delay 0.2 0.1 0.04 0.04

As a China-based molded case circuit breaker manufacturer and supplier, People Group can provide circuit breakers, distribution box, temperature controller, etc. In addition, we also have many kinds of circuit breakers for you to choose, like molded case circuit breaker, earth leakage circuit breaker and residual current circuit breaker, please contact us at People Group.

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