250A 3-Pole Molded Case Circuit Breaker with Ground Fault Protection
This 250A three-pole molded case circuit breaker (MCCB) provides overcurrent and short-circuit protection. The integrated earth leakage circuit breaker (ELCB) component adds an extra layer of safety by detecting and interrupting ground faults.





Technical Specifications
Overview
Professional Circuit Protection
This 250A 3-pole Molded Case Circuit Breaker (MCCB) with integrated Earth Leakage Circuit Protection (ELCB) is designed for reliable performance in industrial and commercial power distribution systems. It provides comprehensive protection against overloads, short circuits, and ground faults, effectively minimizing electrical hazards. Compliant with international IEC/EN 60947-2 standards, this unit ensures safety and durability with a robust mechanical and electrical life cycle.
Electrical Ratings
Rated Current (In)
- 100
- 125
- 160
- 180
- 200
- 225
- 250
Rated Short-Circuit Breaking Capacity (Icu)
Voltage Specifications
| Metric | Value |
|---|---|
| Operational Voltage (Ue) | 240/415V AC |
| Insulation Voltage (Ui) | 1000V |
| Impulse Withstand (Uimp) | 8kV |
Protection & Features
- Rated Residual Current (IΔn)
- 30mA50mA100mA200mA300mA500mA
- Trip Action Time
- Adjustable: 0.1s / 0.3s / 0.5s or 0.45s / 1.0s / 2.0s

Operating Environment
Use Environment
- Ambient Temperature: -5°C to +40°C
- Altitude: ≤ 2000m
- Installation Class: III
- Pollution Degree: II
Physical Dimensions
- Dimensions (3-Pole)
- 165mm x 105mm x 60mm




