CHINT CB-63DC Moulded Case Circuit Breaker (MCCB),
provides reliable overload and short-circuit protection for DC power distribution systems up to 500 V and 63 A.
furthermore it is Engineere with thermomagnetic trip technology, it ensures stable performance and fast fault disconnection.
in addition to Compact and durable, the CB-63DC offers 6 kA breaking capacity, 20,000-cycle mechanical life,
moreover easy DIN-rail installation. Fully compliant with IEC/EN 60947-2 and certified by CE, TUV,
and finally REACH, it’s ideal for DC systems in solar, telecom, and industrial control applications.
- Standard: IEC/EN 60947-2
- Certifications: CB, CE, TÜV, REACH
- Rated Current (In): 1 A – 63 A
- Rated Operating Voltage (Ue): DC 250 V (1P) / DC 500 V (2P)
- Rated Insulation Voltage (Ui): 500 V
- Rated Impulse Withstand Voltage (Uimp): 6 kV
- Breaking Capacity (Icu): 6 kA
- Rated Service Short-Circuit Capacity (Ics): 6 kA
- Trip Unit Type: Thermomagnetic (Curve C, Ii = 8.5 × In ± 20%)
- Poles: 1P / 2P
- Mechanical Life: 20,000 operations
- Electrical Life: 6,000 operations
- Power Consumption (per pole):
- ≤10 A: 3 W
- 10–16 A: 3.5 W
- 16–25 A: 4.5 W
- 25–32 A: 6 W
- 32–40 A: 7.5 W
- 40–50 A: 9 W
- 50–63 A: 13 W
- Operating Temperature: −35 °C to +70 °C
- Altitude: ≤ 2000 m
- Terminal Capacity: 1–16 mm²
- Tightening Torque: 2.0 N·m
- Wire Insertion Depth: 12 mm
- Mounting: DIN rail (TH35-7.5)
- Protection Degree: IP20 (direct install) / IP40 (in distribution box)
- Accessories Available: AX-X1, AL-X1, SHT-X1, OVT-X1, UVT-X1, OUVT-X1
- Application Areas: DC circuits, photovoltaic arrays, battery systems, and control panels

