Miniature Circuit Breaker Construction and Feature
■High short-short capacity 6KA.
■Designed to protect circuit carrying big current up to 63A.
■Contact position indication.
■Used as main switch in household and similar installation.
Miniature Circuit Breaker (MCB) Technical Data
■Pole No.: 1,1P+N, 2, 3,3P+N 4P
■Rated voltage: AC 230V/400V
■Rated Current(A): 20,25,32,40,50,63
■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
□Flexible conductor 35mm2
□Rigid conductor 50mm2
□On symmetrical DIN rail 35mm
■Terminali Connection Height: 20mm
Miniature Circuit Breaker Compliance
Overall & Installation Miniature Circuit Breaker Dimensions
The tripping characteristic curves
|Power Conumption||Voltage Drop (mV)||Consumption (W)|
Overload Current Protection Characteristics
|Test||Tripping Type||Test Current||Initial State||Tripping timeor Non-tripping Time Provisior|
|b||Time-delay||1.30In||After test a||t<1h(In≤63A)
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