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The KT3125T trip unit from Eaton Cutler-Hammer is engineered for use in molded case circuit breakers. This device is rated for a current of 125 Amperes, making it suitable for robust applications. Operating at a nominal voltage of 600 Volts AC, it is designed for 3-phase systems.
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| Manufacturer | Eaton Cutler-Hammer |
|---|---|
| Product Type | Trip Unit |
| Product Line | Series C Circuit Breakers |
| Part Number | KT3125T |
| Weight | 1.81 lbs (0.82 kg) |
| UPC | 786679266014 |
| Rated Current | 125 Amperes |
| Poles Design | 3 Poles |
| Trip Functions | Long-Time and Instantaneous (LI) |
| Nominal Voltage | 600 Volts AC |
| Phase Type | 3-Phase |
| Frame Design | KT Frame |
| Tripping Unit Type | Thermal Magnetic Trip Unit |
| Compatible Circuit Breakers | Molded Case Circuit Breakers with CKD, CHKD, DK, HKD, HKDB, HKDDC, KD, KDB, and KG Frames |
| Certification | UL-Listed |
| Frequency Rating | 50 to 60 Hertz |
Eaton Cutler-Hammer's KT3125T is a specialized trip unit that plays a crucial role in molded case circuit breakers. Rated at 125 Amperes, this trip unit ensures protection against overload and fault conditions in electrical systems. It operates effectively at a nominal voltage of 600 Volts AC and is designed for three-phase applications.
This model is configured with three poles, making it suitable for robust industrial environments. It offers both long-time and instantaneous tripping functions, also known as LI. The thermal magnetic technology incorporated into this device allows for accurate and reliable trip responses based on current conditions. Its design supports frequency ratings of 50 to 60 Hertz.
The KT3125T is compliant with UL standards, ensuring it meets safety and performance criteria. Its frame is designated as KT, and it is compatible with several molded case circuit breaker configurations, including CKD, CHKD, DK, and others. This versatility allows it to be used in a wide range of applications, making it an essential component for effective system protection in electrical installations.