Miniature Circuit Breaker M7-63 Series

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Product Description:

Construction and Feature
◆Protection against both overload and short circuit
◆High short-circuit capacity
◆Contact position indication
◆Applicable to terminal and pin/fork type busbar connection
◆Easy mounting onto 35mm DIN rail
Technical Data
◆Pole No:1,1P+N,2,3,3P+N,4
◆Rated voltage:AC 230/400V
◆Rated current(A):1,2,3,4,6,10,13,16,20,25,32,40,50,63
◆Tripping curve:B,C,D
◆Ultimate short-circuit capacity(lcu):4.5KA
◆Rated frequency:50/60Hz
◆Energy limiting class:3
◆Rated impulse withstand voltage:6.2KV
◆Electro-mechanical endurance:4000
◆Connection terminal:
◇Screw terminal
◇Pillar terminal with clamp
◆Connection capacity:Rigid conductor up to 25mm2
◆Fastening torque:2.0Nm
◆Installation:
◇On symmetrical DIN rail 35mm
◇Panel mounting
◆Terminal Connection Height:19mm


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Q:Where will the circuit breaker auxiliary contacts be used? ,
Most molded case circuit breakers are operated manually and partly with motor operation.
Q:Leakage protector and open selection
The principle of the use of RCD zero sequence current transformer To detect leakage, electric shock and other ground fault current
Q:Selection of Circuit Breakers in Low Voltage Circuits
Compared with the fuse, the thermal protector has a significant advantage
Q:What is the capacity of the circuit breaker
The breaking capacity of the high-voltage circuit breaker is the same as that of the rated breaking current
Q:Is there a circuit breaker in the circuit
Such as the circuit breaker at work, when a failure occurs, it is the power of all disconnected.
Q:How to switch from the circuit breaker switch button, the difference is short circuit protection or overload protection?
It acts as a knife switch. Fuse thermal relay and other electrical appliances
Q:How is the total switch breaker in the distribution box correctly
protection current in the grid after the protection, then the command will be the leakage protector trip occurs when the control of the main circuit breaker trip
Q:Circuit problem! Hurry Miniature Circuit Breaker!
it may be the circuit breaker itself is faulty, need to be replaced. (Of course, there may be lines due to insulation damage and there is a short circuit, but may be smaller)
Q:What type of switch circuit breaker has undervoltage protection
Circuit breakers with overvoltage and undervoltage protection:
Q:What circuit symbols are used for circuit breakers
that is, by the internal cycle of the protection and algebra and (including the neutral current neutral current instantaneous three-phase

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