SCM3DC-800/2300 DC1500V DC MCCB

The SCM3DC-800 DC MCCB is designed for use in circuits with a rated operating voltage of up to DC 1500V and a working current ranging from 63A to 800A. It is a high-performance protective device specifically engineered for applications in photovoltaic (PV), energy storage, and DC circuit systems. This circuit breaker is widely used in PV power generation systems, energy storage systems, DC combiner boxes, the DC input side of inverters, and the input and output sides of DC power supply systems. It provides reliable protection for equipment in the event of overload or short circuit, ensuring stable system operation under various environmental conditions.

Rated Voltage: DC 250V - 1500V.

Rated Current: 100A - 1600A.

Short-Circuit Breaking Capacity: Up to 70kA.

Ambient Operating Temperature: -40°C to +70°C.

Protection Class: IP20.

SHELL FRAME			SCM3DC-320			SCM3DC-400
Number of poles			2		3	2			3
Rated working voltage Ue(V)			DC500	DC1000	DC1500	DC250/500	DC750/1000	DC1250/1500	DC1250/1500
Rated insulation voltage Ui(V)			DC1250		DC1500	DC1500
Rated impulse withstand voltage U(kV)			8		12	12
Rated current In(A)			63, 80, 100, 125, 140, 160, 180, 200, 225, 250, 280, 315, 320			225, 250, 315, 350, 400
Icu(kA)		H	50	20	20	65	35	15	15/2P、20/3P
		R	/	/	/	70	40	20	20/2P、25/3P
Ics(kA)			ICS=100%LCU
Mode of connection			Top in bottom out bottom in top out (2P 320/3P) Bottom in bottom out, top in top out (3P)
Use classes			A
Whether it has an isolation function			yes
Ambient temperature			-35°C~+70°C
Mechanical life (times)			2000			10000
Electrical life (times)			3000	2000	1500	1000	1000	700	500
Meet a criterion			IEC/EN 60947-2, GB/T 14048.2
Attachment			Separate excitation, Assistance, Alarm, Manual operation, Electrical Operation
Authentication			CCC, CE, TUV
Dimensions (Length × Width × Height)			180×76×126 (2P)、 180×107×126 (3P)			250×124×165 (2P)、 250×182×165 (3P)
SHELL FRAME			SCM3DC-630			SCM3DC-800
Number of poles			2		3	2			3
Rated working voltage Ue(V)			DC1000	DC1500	DC1500	DC250/500	DC750/1000	DC1250/1500	DC1250/1500
Rated insulation voltage Ui(V)			DC1500		DC1500	DC1500
Rated impulse withstand voltage U(kV)			12		12	12
Rated current In(A)			500、630			700、800
Icu(kA)		H	35	15	20	65	35	15	15/2P、20/3P
		R	40	20	25	70	40	20	20/2P、25/3P
Ics(kA)			ICS=100%LCU
Mode of connection			Top in bottom out bottom in top out (2P 320/3P) Bottom in bottom out, top in top out (3P)
Use classes			A
Whether it has an isolation function			yes
Ambient temperature			-35°C~+70°C
Mechanical life (times)			5000			5000
Electrical life (times)			1000	1000	700	1000	1000	700	500
Meet a criterion			IEC/EN 60947-2, GB/T 14048.2
Attachment			Separate excitation, Assistance, Alarm, Manual operation, Electrical Operation
Authentication			CCC, CE, TUV
Dimensions (Length × Width × Height)			250×124×165 (2P) 250×182×165 (3P)			250×124×165 (2P) 250×182×165 (3P)

Note: 320 shell frame does not distinguish H: high breaking capacity, R: current-limiting type.