C32 MCB Construction and Feature
■High short-short capacity 10KA.
■Designed to protect circuit carrying big current up to 125A.
■Contact position indication.
■Used as main switch in household and similar installation.
C32 MCB(Miniature Circuit Breaker) Technical Data
■Pole No.: 1,1P+N, 2, 3,3P+N 4
■Rated voltage: AC 230V/400V
■Rated Current(A): 20,25,32,40,50,63,80,100,125
■Tripping curve: C, D
■Rated short-circuit capacity(lcn): 10000A
■Rated service short-circuit capacity(Ics): 7500A
■Rated frequency: 50/60Hz
■Rated impulse withstand voltage: 6kV
■Electro-mechanical endurance: Ins100=10000:n125=8000
■Connection terminal: Pillar terminal with clamp
■Connection capacity:
□Flexible conductor 35mm2
□Rigid conductor 50mm2
■Installation:
□On symmetrical DIN rail 35mm
□Panel mounting
■Terminali Connection Height: 20mm
Compliance
■IEC60947-2
■EN60947-2
Overall & Installation C32 MCB(Mini Circuit Breaker) Dimensions
The tripping characteristic curves
C32 MCB Power Conumption
Rated Current (A) | Voltage Drop (mV) | Consumption (W) |
20 | 141 | 2.82 |
25 | 88 | 2.2 |
32 | 84 | 2.7 |
40 | 105 | 4.2 |
50 | 70 | 3.5 |
63 | 83 | 5.2 |
80 | 68 | 5.5 |
100 | 86 | 8.6 |
125 | 96 | 12 |
Overload Current Protection Characteristics
Test | Tripping Type | Test Current | Initial State | Tripping timeor Non-tripping Time Provisior | |
a | Time-delay | 1.05In | Cold | t≤1h(In≤63A) t≤2h(ln>63A) |
No Tripping |
b | Time-delay | 1.30In | After test a | t<1h(In≤63A) t<2h(In>63A) |
Tripping |
c | Time-delay | 2In | Cold | 10s 20s63A) | Tripping |
d | Instantaneous | 8ln | Cold | t≤0.2s | No Tripping |
e | lnstantaneous | 12In | Cold | t<0.2s | Tripping |
> What is the role of a fuse?
A fuse refers to an electrical device that, when the current exceeds a specified value, uses the heat generated by itself to fuse the melt and disconnect the circuit...
> Precautions for the working principle of molded case circuit breakers
The molded case circuit breaker adopts a heat release contact. When the current exceeds the rated value, the contact is heated, causing the spring force to decrease,...
> The difference between fast fuse and ordinary fuse
Fast fuse is a kind of fuse, fast fuse is used for short circuit protection of semiconductor rectifier components or circuit breakers. Because the overload capacity ...
> The meaning and working principle of RCCB, and a few points you want to know
This article will tell you about the working principle, function, and main structure of residual current circuit breaker (RCCB), and solve customers' concerns about ...