TREF4 250A Four Poles, Thermal Adjustable, Compact Size 200/225/250A Earth Leakage Protect

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Description

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.

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