CHINT CB-125CX Moulded Case Circuit Breaker,
delivers robust overload and short-circuit protection for AC circuits up to 415 V and 125 A. Designe for safe power distribution in industrial, commercial,
and infrastructure systems, it ensures reliable circuit isolation and operational safety.
With a 6 kA breaking capacity, thermomagnetic trip,
and durable plug-in design, the CB-125CX offers consistent performance in demanding environments while complying with IEC 60947-2 and certified by CE and TÜV.
- Standard: IEC 60947-2
- Certifications: CE, TÜV
- Rated Current (In): 80 A / 100 A / 125 A
- Rated Voltage (Ue):
- 2P — AC 230/240 V
- 3P / 3P+N / 4P — AC 400/415 V
- Poles: 2P / 3P / 3P+N / 4P
- Trip Unit Type: Thermomagnetic (instantaneous trip 8 × In ± 20 %)
- Rated Short-Circuit Breaking Capacity (Icn): 6 kA
- Rated Service Short-Circuit Capacity (Ics): 6 kA
- Rated Isolation Voltage (Ui): 500 V
- Rated Impulse Withstand Voltage (Uimp): 4 kV
- Mechanical Life: 6 000 operations
- Electrical Life: 4 000 operations
- Connection: Top or bottom feed; accepts cable or busbar
- Conductor Range: 10 – 35 mm²
- Tightening Torque: 2.0 N·m
- Wire Insertion Depth: 25 mm
- Operating Temperature: −40 °C to +70 °C
- Altitude: ≤ 2 000 m
- Pollution Degree: 3
- Protection Degree: IP20 (direct), IP40 (when installed in enclosure)
- Mounting: Plug-in installation
- Applications: Motor feeders, branch circuits, distribution panels, and switchboards

