DC MCB
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.
DC Compact Switch-Disconnector
DC Relay
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
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
Breaking current
10kA
10kA
10kA
10kA
Rated insulation voltage, Ui
1000V
Rated impulse withstand voltage, Uimp
6kV
Trip characteristic
B (5In), C (8In)
Protection
Overload and short circuit
Endurance life (times)
Electrical
1,500
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
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
Breaking current
10kA
10kA
10kA
10kA
Rated insulation voltage, Ui
1000V
Rated impulse withstand voltage, Uimp
6kV
Trip characteristic
B (5In), C (8In)
Protection
Overload and short circuit
Endurance life (times)
Electrical
1,500
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
Downloads
Catalog
Line card for US Customers
Mar 17, 2025 V0.6 English 10.0MB
Line card for US customers
Catalog
[DC Component] for Renewable Energy Solution
Aug 26, 2024 V1.0 English 21.0MB
Catalog
Smart DC solution
Apr 09, 2024 V0.1 English 1.0MB
Innovative solutions for DC distribution systems which is efficient for the Renewable energy
Catalog
[DC Component] for Renewable Energy Solution
Jan 16, 2024 V0.1 Spanish 39.0MB
Catalog
[DC MCB]
Nov 07, 2018 V0.3 English 1.0MB