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Eaton Cutler-Hammer HKD3400F Circuit Breaker w/ KT3300T Trip Unit 300 Amp | 3 Pole | 600 VAC | 65 kAIC @ 480V | Series C K-Frame | New Open Box Product Overview
For sale is an authentic, New Open Box Eaton / Cutler-Hammer HKD3400F Series C K-Frame molded case circuit breaker frame fitted with an interchangeable 300A KT3300T thermal-magnetic trip unit. This high-interrupting breaker (65 kAIC @ 480V) is engineered for heavy-duty commercial and industrial power distribution, panelboards, and control centers. Unused condition, surplus stock.
Technical Specifications Brand / Manufacturer Eaton / Cutler-Hammer Frame Catalog Number HKD3400F Trip Unit Catalog Number KT3300T Breaker Type Molded Case Circuit Breaker (MCCB) Frame Series / Size Series C / K-Frame (400A Max Frame) Amperage Rating 300 Amps (via KT3300T Trip Unit) Number of Poles 3-Pole (3P) Voltage Rating 600 VAC / 250 VDC Interrupting Rating (AIC) 65 kAIC @ 480 VAC | 100 kAIC @ 240 VAC Trip Type Interchangeable Thermal-Magnetic Certifications UL Listed, CSA Certified Key Features
- High Interrupting Capacity: Provides reliable short-circuit protection in high-fault industrial environments.
- Thermal-Magnetic Protection: Features fixed thermal trip delay for overload and magnetic trip for short-circuit protection.
- Versatile Installation: Suitable for panelboard, switchboard, motor control center, and busway applications.
- Original OEM Quality: Genuine Eaton / Cutler-Hammer component, direct factory equivalent replacement.
Condition Note
New (Open Box): Item is brand new and has never been installed or energized. Packaging was opened for inspection/photography. May show minor shelf wear on external packaging, but the breaker itself is in mint, unused mechanical and electrical condition. Please reference photos for exact visual detail.
Shipping & Handling: Fast, secure packaging guaranteed. Ships via UPS / FedEx ground with tracking and full insurance. Express shipping options available at checkout upon request.
