Four-Pole Earth Leakage Circuit Breaker 250A
This four-pole circuit breaker provides earth leakage protection with thermal adjustment. It has a compact size and adjustable current settings of 200A, 225A, and 250A.





Technical Specifications
Overview
Professional Earth Leakage Protection
The TRE series four-pole Earth Leakage Circuit Breaker (ELCB) provides comprehensive protection against overloads, short circuits, and ground faults. Engineered for reliability in industrial power distribution, this compact device features adjustable thermal settings and customizable trip actions to suit diverse electrical requirements. Compliant with international IEC/EN 60947-2 standards, it ensures high-performance electrical safety for professional applications.

Key Features
- Protection Functions
- Overload ProtectionShort Circuit ProtectionGround Fault Protection
Technical Specifications
Rated Performance
Short-Circuit Breaking Capacity (Icu)
| Voltage | S-Type | H-Type |
|---|---|---|
| 240V | 50 | 65 |
| 415V | 37 | 50 |

Adjustability
Configurable Parameters
- Rated Current: 0.8In - 1.0In
- Rated Residual Current: 30mA, 100mA, 300mA, 500mA
- Trip Action Time: 0.1s, 0.3s, 0.5s
Environmental and Standards
Operating Environment
- Ambient Temperature: -5°C to +40°C
- Altitude: ≤ 2000m
- Pollution Degree: II
- Installation Class: III



