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Eaton / Cutler-Hammer
300A, 3P, trip unit, thermal magnetic (T266), J-K frame, UL Listed
The Eaton KT3300T is a Series C molded case circuit breaker accessory trip unit designed for J-K frame breakers. Rated at 300 A, this three-pole trip unit uses a thermal-magnetic (T266) mechanism for overload and short-circuit protection. It measures 7 × 4.5 × 5.25 in and weighs 1.82 lb. UL Listed for compliance, the KT3300T serves as a replacement or accessory component for Eaton molded case breakers, ensuring reliable operation and simplified maintenance. Backed by Eaton’s standard warranty (1 year from installation or 18 months from shipment), it provides dependable circuit protection in demanding applications.
We source directly from Eaton - 100% genuine, new-in-box certified parts.
| Brand | Eaton |
|---|---|
| Series | Series C |
| Model | KT3300T |
| Catalog Number | KT3300T |
| Product Type | Molded Case Breaker Trip Unit (Accessory) |
| Frame Type | J-K Frame |
| Trip Type | Thermal Magnetic (T266) |
| Amperage Rating | 300 A |
| Number of Poles | 3 |
| Dimensions (H × W × D) | 7 in × 4.5 in × 5.25 in |
| Weight | 1.82 lb |
| Amperage Rating | 300 A |
|---|---|
| Trip Mechanism | Thermal Magnetic (T266) |
| Frame Compatibility | J-K Frame breakers |
| Certifications | UL Listed |
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
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