125A Three-Pole Thermal Adjustable Circuit Breaker with Earth Leakage Protection
This is a compact, three-pole circuit breaker with thermal adjustment capabilities. It is equipped with earth leakage protection for use in electrical power transmission and distribution systems.
Technical Specifications
Overview
Professional Earth Leakage Circuit Breaker
This series of Earth Leakage Circuit Breakers (ELCB) is designed for robust performance in low-voltage power distribution systems. Compliant with international IEC/EN 60947-2 standards, these units provide reliable overcurrent, short-circuit, and ground fault protection. The design features adjustable thermal current and residual current settings, making it highly adaptable to specific industrial and commercial electrical requirements.
Technical Specifications
Key Electrical Metrics
125 A
Max Rated Current
1,000 V
Insulation Voltage
8 kV
Impulse Withstand
100 %
Ics vs Icu Ratio
Adjustable Parameters
- Rated current setting: 0.8In - 1.0In
- Trip action time: 0.1s, 0.3s, 0.5s
- Residual current: 30mA, 100mA, 300mA, 500mA
Short-Circuit Breaking Capacity (Icu)
| Voltage | S-Type (kA) | H-Type (kA) |
|---|---|---|
| 240V | 35 | 50 |
| 415V | 18 | 35 |
Operating Environment
- Environmental Conditions
- Ambient Temp: -5°C to +40°CAltitude ≤ 2000mInstallation Class IIIPollution Level II
Construction
Durability
- 8,500
- 1,500
