CJMD7-125 1-4p 125A DC MCB Miniature Circuit Breaker

Short Description:

CJMD7-125 series DC miniature circuit breaker have rated working voltage up to 1000V, mainly suitable for overload and short circuit protection of DC power distribution system equipment and electrical equipment with rated current 125A and below, widely used in power, postal, transportation, mining enterprises and various fields, also can be used for infrequent on-off operation.In China, the shell current and rated short-circuit breaking capacity of our products are the highest in the same category.Conformity to IEC 60947-2

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Product Detail

Product Tags

Product model and meaning

CJ-Corproate logo
M-MCB
D-Direct Current
7-Standard code
125-Rated frame current

Main Features and Technical Parameters

CJMD7-125 series DC miniature circuit breaker are high-performance DC miniature circuit breaker with a single-pole width of 27mm, rated current up to 125A, rated short-circuit breaking capacity up to 15kA, and various technical parameters leading in China.

Technical Data

Standard	IEC/EN60947-2
Shell frame grade Current	125A
Rated Insulation voltage Ui	1000V
Rated Impulse Withstand Voltage Uimp	6kV
Rated current	32A, 40A, 50A, 63A,80A,100A,125A
Rated voltage	DC250V(1P), 500V(2P), 800V(3P), 1000V(4P)
Electromagnetic trip characteristics	10ln±20%
Number of poles	1P,2P, 3P, 4P
Unipolar width	27mm
lcu	10kA(In≤100A), 15kA (In=125A)
lcs	7.5kA (In≤100A),10kA(In=125A)
Reference temperature	30ºC
Utilization Categpry	A
Mechanical life	20,000 Cycles
Electrical life	2000 Cycles
Protection Degree	IP20