Mini Circuit Breaker

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Product Description:

Application Range
FCM7(DPN)-32 series miniature circuit breaker is used for single phase circuits with AC 50/60Hz and rated voltage up to 230V AC. It’s applied to protect overload and short circuit of electric circuit, and also widely used as branch switch for family, hotel, apartment, hospital and industrial enterprise. The ideal product for residential field as protection switches for power distribution.
Structure Feature
FCM7(DPN)-32 series miniature circuit breaker has some advantages like: high breaking capacity, small size, compact structure, two poles (P + N) with 18mm width of two moulds, cutting off phase line and N line at the same time. And N pole has feature of first switching on then breaking that can avoid prison risk caused by incorrect connection of phase line and N line or voltage to ground of N line.
Technical Data
Type
Rated current of frame: Inm (A)
Rated current: In(A)
Pole No.
Rated Voltage: Ue(v)
Rated short circuit breaking capacity: Icu(A)
FCM7-32
32
6,10,16,20,25,32
1P+N
230
4500
Time-Current Operation Characteristics
Test Grade
Type
Test Current
Start State
Release or unreleased time limit
Expected Result
a
B, C,
1.13In
Cooling
t≥1h
Unreleased
b
1.45In
Following a item
t<1h
Release
c
2.55 In
Cooling
1s<t<60s
Release
d
B
3 In
Cooling
t≥1s
Unreleased
C
5 In
D
10 In
e
B
5 In
Cooling
t<1s
Release

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Q:Short trip also tripped, overload also trip it?
The element combination is mainly used for short circuit and overload protection. Generally divided into 1P 1P plus N open air or. 3P or 4P, etc.
Q:Circuit breaker generally choose what ah?
so RCD can cut very sensitive ground fault protection circuit can also be directly Use contact with backup shock protection.
Q:Is the isolator and circuit breaker able to switch to each other?
Can he just provide a clear breakpoint now has a clear breakpoint of the breakout in our "construction site temporary electricity safety technical specifications" which referred to
Q:How to choose the home of the circuit breaker air switch?
air conditioning circuit, separate wiring, when one of the circuit (such as the socket circuit) failure, the other circuit can still be normal power supply.
Q:Discussion on the Selection of Circuit Breaker in Low Voltage Circuit
In the rated current, molded case circuit breaker is generally 630A (some new products can reach 1600A) the following
Q:What type of switch circuit breaker has undervoltage protection
Circuit breakers with overvoltage and undervoltage protection:
Q:What is the choice of low voltage electrical circuit breaker?
At present, some high-performance circuit protection devices provide circuit breakers specifically designed for extreme shock and vibration environments.
Q:Low-voltage circuit breaker is what can be broken and under normal conditions of the circuit
led and so can not light The Is the base high level, N tube is generally off, low level, N tube open
Q:Where will the circuit breaker auxiliary contacts be used? ,
short delay, Instantaneous and ground fault four protection functions. Part of the electronic molded case circuit breaker new products also have a regional selective chain function
Q:Leakage protector and open selection
and to release the power off the release device according to its breaking reaction time can be divided into high sensitivity

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