CW3DC DC universal circuit breakerDetailed product description：

The CW3DC DC universal circuit breaker (hereinafter referred to as the circuit breaker) maintains the same external dimensions and installation dimensions as the CW3. It is mainly installed in low-voltage DC distribution circuits to connect and disconnect the main circuit, and can also serve as an isolation device. Its symbol is "".
Rated current 800A~2500A;
Rated working voltage DC1000V and below;
Having a three pole string and a four pole string;
Drawer style and fixed style;
The product meets the following standards:
IEC60947-1 and GB14048.1 General Principles for Low Voltage Switchgear and Control Equipment
IEC60947-2 and GB14048.2 Low voltage switchgear and control equipment Circuit breakers
The product has obtained the national mandatory product certification CCC mark

2. Normal working conditions and installation conditions
The ambient air temperature is between -5 ℃ and+40 ℃, and the average value over 24 hours does not exceed+35 ℃;
The altitude of the installation site shall not exceed 2000m;
The relative humidity of the air at the installation site shall not exceed 50% at a maximum temperature of+40 ℃; At lower temperatures, there can be higher relative humidity, with the monthly average lowest temperature of the wettest month not exceeding+25 ℃, and the monthly average maximum relative humidity of that month not exceeding 90%, taking into account condensation on the surface of the product due to temperature changes;
The pollution level is level 3;
The installation category of the main circuit is IV, and the installation category of the other auxiliary circuits and control circuits is III;

The CW3DC DC universal circuit breaker should be installed according to the instructions in the user manual. Its vertical inclination does not exceed 5 °.

Model number					CW3DC-2500
Shell level rated current Inm(A)					two thousand and five hundred
Rated current In(A)					800, 1000, 1250, 1600, 2000, 2500
Rated working voltage Ue(V)					DC 500/750			DC 750/1000
Rated insulation voltage Ui(V)					one thousand two hundred and fifty
Rated impulse withstand voltage Uimp(kV)					twelve
Number of series poles					Three pole string			Quadrupole string
Rated ultimate short-circuit breaking capacity Icu (kA)					forty
Rated operating short-circuit breaking capacity Ics (kA)					forty
Rated short-circuit making capacity Icm (kA)					100%Icu
Rated short-time withstand current Icw (kA)/1s					forty
Usage category					B
Opening time (without additional delay) (ms)					30~40
Closing time (ms)					Maximum 70
Electrical lifespan (times)					seven thousand
Mechanical lifespan (times)			maintenance-free		twelve thousand and five hundred
			There is maintenance		twenty-five thousand
Overall dimensions (mm)					W		H		L
	drawer-type	Horizontal connection (rear)		Three pole string	three hundred and forty-seven		four hundred and thirty-eight		three hundred and ninety-five
				Quadrupole string	four hundred and forty-two		four hundred and thirty-eight		three hundred and ninety-five
		Vertical connection (rear)		Three pole string	three hundred and forty-seven		four hundred and thirty-eight		three hundred and ninety-five
				Quadrupole string	four hundred and forty-two		four hundred and thirty-eight		three hundred and ninety-five
	fixed type	Horizontal connection (rear)		Three pole string	three hundred and sixty-two		three hundred and ninety-five		two hundred and ninety
				Quadrupole string	four hundred and fifty-seven		three hundred and ninety-five		two hundred and ninety

CW3DC DC universal circuit breaker