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KDC3400
The Eaton Cutler-Hammer KDC3400 from the Series C Circuit Breakers line functions as a molded case circuit breaker, built to support significant electrical loads. With a robust current rating of 400 A, it maintains reliable operations in both 600 Vac and 250 Vdc applications, designed to handle three-phase circuits effectively.
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Technical specifications for KDC3400
| Manufacturer | Eaton Cutler-Hammer |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | Series C Circuit Breakers |
| Part Number | KDC3400 |
| UPC | 786679341704 |
| Trip Type | T186 |
| Function | Fixed thermal, fixed magnetic trip |
| Phase | 3 Phases |
| Poles | Three poles |
| Current Rating | 400 A |
| Voltage Rating | 600 Vac, 250 Vdc |
| Frame | Frame K |
| Frequency Rating | 50/60 Hz |
| Terminals | Line and load |
| Terminal Material | Aluminum |
| Interrupt Rating | 100 kAIC at 480 Vac; 200 kAIC at 240 Vac |
| Mounting Type | Bolt-on / panel mount |
| Certifications | UL Listed |
The KDC3400, a molded case circuit breaker by Eaton Cutler-Hammer, is designed for efficient protection in electrical systems. This model is rated for a current capacity of 400 A, enabling it to handle significant loads across three-phase applications. It operates effectively under both 600 Vac and 250 Vdc voltage ratings, making it versatile for various installations. Featuring a T186 trip type, it utilizes fixed thermal and fixed magnetic trip mechanisms to ensure reliable circuit protection.
This breaker is housed in a Frame K, allowing for compatibility with standard mounting configurations. It supports a frequency range of 50 to 60 Hz and is equipped with line and load terminals made from aluminum, optimizing connections while minimizing potential failures.
The KDC3400 circuit breaker offers high interrupt ratings that provide crucial protection in overload conditions, calculating 100 kAIC at 480 Vac and 200 kAIC at 240 Vac. This high interrupting capacity is essential for ensuring system safety in the event of electrical faults. The breaker is designed with a bolt-on mount, which facilitates straightforward installation in panels. Additionally, it is UL Listed, confirming its compliance with established safety standards.
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