China Manufacturer CJM7-125-2 1-4P 1-125A 10kA Low voltage MCB Miniature circuit breaker

Short Description:

High rated short-circuit breaking capacity, all rated current levels can reach 10kA;
With red and green safety indicators, it has higher safety;
Equipped with an energy storage mechanism for operation, the contact quickly closes, overcoming the adverse effects caused by manual operation of the handle speed and greatly improving the product’s service life;
The product can be used with various modular accessories, such as AX-1.

Product Detail

Product Tags

Overview

The CJM7-125-2 series small circuit breaker has important characteristics such as high rated current and high rated short-circuit breaking capacity, making it a high-performance small circuit breaker.This circuit breaker is mainly suitable for distribution lines with a rated working frequency of 50Hz/60Hz, a rated working voltage of AC240/400V, and a rated current of 125A. lt is used for overcurrent and short-circuit protection of power line facilities and important electrical equipmentin important buildinas or similar places, and can also be used for infrequent on-off operations. This circuit breaker is also suitable for isolation.Product standards: GB/T14048.2,IEC60947-2.

Technical Data

Standard	GB/T 14048.2,IEC 60947-2
Product shelf current	125A
Rated insulation voltage Ui	1000V
Rated impulse withstand Uimp voltage Uimp	6kV
Rated current	16A,20A,25A,32A,40A,50A,63A,80A,100A,125A
Rated voltage	240/400V(1P,2P),400V(2P,3P,4P)
Rated frequency	50/60Hz
Tripping curve	C:8In±20%,D:12In±20%
Number of poles	1P,2P,3P,4P
Unipolar width	27mm
Ultimate short-circuit breaking capacity lcu	10kA
Operating short-circuit breaking capacity Ics	7.5kA
Reference temperature	30°C
Usage Category	A
Mechanical life	20,000 cycles
Electrical lifespan	6000 cycles

Product tripping characteristics

Rated current(A)	Overload tripping characteristics		Instantaneous tripping characteristics(A)
	1.05ln agreed non tripping time H (cold state)	1.30ln agreed tripping time H (hot state)
In≤125	1	1	10In±20%
In＞125	2	2