01
Visual Operating Status Indication
A built-in status window provides clear on/off position indication for quick operating status checks.
DC Miniature Circuit Breaker (MCB)
The BK63H-DC high-performance DC Miniature Circuit Breaker (MCB) is designed for photovoltaic and renewable energy systems. This device provides reliable circuit protection up to 1000 V DC with 10 kA interrupting capacity, supporting safe operation in demanding DC applications. Compliant with IEC 60947-2 standards and certified by SEMKO CB, the BK63H-DC enables dependable DC power distribution in renewable energy and related power systems.
- Rated Voltage
- 250 – 1000 V DC
- Interrupting Capacity
- 1 – 63 A
- Electrical Safety Performance
- Ui 500 V and Uimp 6 kV provide defined insulation performance for DC power distribution systems
Key Features
02
Flexible Accessory Options
Compatible with AX, AL, and SHT accessories for remote signaling, alarm indication, and shunt trip functions.
03
Certified Global Compliance
Complies with IEC 60947-2 and holds SEMKO CB certification for reliable use in DC applications.
04
Compact Modular Design
A 0.4 in. (18 mm) pole width supports space-saving installation in DC distribution panels.
Lineup
| Poles |
/1P.webp)
1P |
/4P.webp)
4P |
|---|---|---|
| Rated Current | 1 - 63 A | 1 - 63 A |
| Rated Operational Voltage | 250 V DC | 1000 V DC |
| Breaking Capacity | 10 kA | 10 kA |
| Trip Characteristic | B (5In), C (8In) | B (5In), C (8In) |
| Rated Insulation Voltage | 500 V AC | 500 V AC |
| Rated Impulse Withstand Voltage | 6 kV | 6 kV |
| Endurance (Mechanical) | 20,000 operations | 20,000 operations |
| Endurance (Electrical) | 1,500 operations | 1,500 operations |
| Standards | IEC 60947-2 | IEC 60947-2 |
| Approval | CE, SEMCO, CB | CE, SEMCO, CB |
Downloads
[DC MCB]
- [DC MCB]_Catalog_EN_201811.pdf (1.46MB)
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