CJM2-63-2 6KA MCB

CJM2-63-2 Type miniature circuit breaker (MCB) is mainly used for protection against overload and the short circuit under the AC 50Hz/60Hz, rated voltage 230V/400V, and rated current from 1A to 63A. It also can be used for non-frequent on-and-off switch operations under normal circumstances.

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Feature

  • High short-short capacity 10KA
  • Designed to protect circuit carrying big current up to 63A
  • Contact position indication
  • Used as main switch in household and similar installation

Specification

Standard IEC/EN 60898-1
Pole No 1P,1P+N, 2P, 3P,3P+N,4P
Rated voltage AC 230V/400V
Rated Current(A) 1A,2A,3A,4A,6A,10A,16A,20A,25A,32A,40A,50A,63A
Tripping curve B, C, D
Rated short-circuit capacity(lcn) 10000A
Rated frequency 50/60Hz
Rated impulse withstand voltage Uimp 4kV
Connection terminal Pillar terminal with clamp
Mechanical life 20,000 Cycles
Electrical life 4000 Cycles
Protection degree IP20
Connection capacity Flexible conductor 35mm²
Rigid conductor 50mm²
Installation On symmetrical DIN rail 35mm
Panel mounting

 

Overload Current Protection Characteristics

Test Tripping Type Test Current Initial State Tripping timeor Non-tripping Time Provisior
a Time-delay 1.13In Cold t≤1h(In≤63A)
t≤2h(ln>63A)
No Tripping
b Time-delay 1.45In After test a t<1h(In≤63A)
t<2h(In>63A)
Tripping
c Time-delay 2.55In Cold 1s<t<60s(In≤63A)
1s<t<120s(In>63A)
Tripping
d B curve 3In Cold t≤0.1s No Tripping
C curve 5In Cold t≤0.1s No Tripping
D curve 10In Cold t≤0.1s No Tripping
e B curve 5In Cold t≤0.1s Tripping
C curve 10In Cold t≤0.1s Tripping
D curve 20In Cold t≤0.1s Tripping