TREF4 250A Four Poles, Thermal Adjustable, Compact Size 200/225/250A Earth Leakage Protect
Inquire NowDescription
The TREF4 250A Four Poles circuit breaker is a robust thermal adjustable device designed to ensure safety and stability in electrical installations. With a compact size and a range of features, including earth leakage protection, this circuit breaker complies with international standards such as IEC/EN 60947-1 and IEC/EN 60947-2. It is built to operate efficiently in environments with ambient temperatures ranging from -5°C to +40°C, making it ideal for various settings.
Equipped with overload, short circuit, and ground fault protection, the TREF4 series is available in both fixed and adjustable types, allowing for customizable settings. The versatility extends to its rated current options, which range from 100A to 250A, ensuring compatibility with diverse electrical systems.
Specifications
Attribute | Details |
---|---|
Ampere Frame Size | TREF4 (250A) |
Breaking Capacity Code | S, H |
Product Code and Poles | 3P: TREF4-S3, 4P: TREF4-S4, TREF4-H3, TREF4-H4 |
Protective Function | Overload & Short Circuit & Ground Fault |
Rated Current, In(A) | 100, 125, 160, 180, 200, 225, 250 |
Rated Residual Current | Operating: 30, 50, 100, 200, 300, 500 mA; Non-operating: 15, 25, 50, 100, 150, 250 mA |
Adjustable Part | Rated current setting (0.8In-1.0In), Lockup device for operating handle |
Rated Operational Voltage, Ue(V) | 240/415 |
Rated Insulation Voltage, Ui(V) | 1000 |
Rated Impulse Withstand Voltage, Uimp(kV) | 8 |
Mechanical Life (circle) | 7000 |
Electrical Life (circle) | 1000 |
Dimensions (L*W*H) | 3-poles: 165*105*60 mm; 4-poles: 165*140*60 mm |
Additional Information
The TREF4 series is designed to operate effectively within installation class III environments and is suitable for altitudes of 2000m or less. With its adjustable trip action time and various rated residual currents, it is adaptable for different safety requirements. The circuit breaker also ensures compliance with pollution class II standards, ensuring longevity and reliability in its operation.