TREF4 250A 3 Poles Moulded Case Circuit Breaker Type ELCB with Groud Fault Protection
Inquire NowDescription
The TREF4 250A 3 Poles Moulded Case Circuit Breaker is an advanced electrical protection device designed to ensure safety and reliability in various applications. This circuit breaker comes equipped with ground fault protection, making it essential for preventing electrical hazards. Constructed in accordance with international standards IEC/EN 60947-1 and IEC/EN 60947-2, the TREF4 series guarantees high-quality performance in low-voltage switchgear and controlgear.
With a robust design that supports an ambient temperature range of -5°C to +40°C, the TREF4 circuit breaker is suitable for environments with altitudes up to 2000 meters. Its classification includes options for 3-poles and 4-poles configurations, with both fixed and adjustable types available for rated current and trip action time. This ensures versatility to meet various operational requirements.
Key features include overload, short-circuit, and ground fault protection, ensuring comprehensive safety measures. Additionally, the TREF4 series offers adjustable rated residual currents and a selection of breaking capacities to suit a variety of industrial and commercial applications.
Specifications
| Attribute | Details |
|---|---|
| Ampere Frame Size | TREF4 (250A) |
| Breaking Capacity Code | S, H |
| Product Code and Poles | 3P: TREF4-S3, 4P: TREF4-S4, 3P: TREF4-H3, 4P: TREF4-H4 |
| Protective Function | Overload & Short circuit & Ground fault |
| Rated Current (In) (A) | 100, 125, 160, 180, 200, 225, 250 |
| Rated Residual Current | Operating (IΔn): 30, 50, 100, 200, 300, 500 mA; Non-operating (IΔno): 15, 25, 50, 100, 150, 250 mA |
| Adjustable Part | Rated current setting (0.8In-1.0In), Lockup device for operating handle, Residual current, Trip action time |
| Rated Operational Voltage (Ue) (V) | 240/415 |
| Rated Insulation Voltage (Ui) (V) | 1000 |
| Rated Impulse Withstand Voltage (Uimp) (kV) | 8 |
| Standard | Conformity with IEC/EN 60947-2 |
| Mechanical Life (circles) | 7000 |
| Electrical Life (circles) | 1000 |
| Dimension (Length x Width x Height) | 3-poles: 165 x 105 x 60 mm; 4-poles: 165 x 140 x 60 mm |
Additional Information
Built-in Accessory:
Built-out Accessory:
