DC MCB

DC Miniature Circuit Breaker

DC MCB was designed for direct current (DC) control circuit applications, used for over-current protection within appliances or electrical equipment.
It provide optimization products for DC system applications such as PV, and ESS.

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Features

Specification

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Features

Solar power, renewable suitable for DC power source
Maximum working voltage: DC 1000V
Rating and number of poles: 1~63A, 1/2/3/4 pole
Rated voltage: DC 250/500/750/1000V
Rated breaking capacity: 10kA
Trip characteristic: B, C
Accessories: AX, AL, SHT
SEMKO CB

Specification

Rating			Specification
Frame size			63AF
No. of poles			1P, 2P, 3P, 4P
Rated current, In			1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63A
Rated operational voltage, Ue DC	Reference standard	Poles	1P	2P	3P	4P
	IEC 60947-2,Icu	Rated voltage	250V	500V	750V	1000V
	IEC 60947-2,Icu	Breaking current	10kA	10kA	10kA	10kA
Rated insulation voltage, Ui AC			500V
Rated impulse withstand voltage, Uimp AC			6kV
Trip characteristic			B (5In), C (8In)
Protection			Overload and short circuit
Endurance life (times)	Electrical		1,500
Endurance life (times)	Mechanical		20,000
Degree of protection			IP20
Tightening torque			18-4 AWG (0.75 … 25mm²) / 20 Kgf.cm
Installation			Mounting on 35mm DIN rail
Type of Terminal			Lug type
Type of trip			Thermal-Magnetic
Ambient temperature			40°C (Standard), -25~ +25°C (Use)
Approval			CE, SEMCO, CB