Eaton Cutler-Hammer HKD3350C 350 Amp Molded Case Circuit Breaker – 3 Pole – 600V – 65 kA @ 480V – HKD Frame

The Eaton Cutler-Hammer HKD3350C is a 350A, three-pole molded case circuit breaker designed for industrial and commercial power distribution systems. It features a thermal-magnetic trip unit with non-interchangeable LI (Long-Time and Instantaneous) protection functions, providing overload and short-circuit protection. Its high interrupting capacity supports applications with elevated fault-current requirements.

Specifications

• Brand: Eaton
• Series: Series C
• Type: HKD
• Catalog Number / MPN: HKD3350C
• Rated Current: 350A
• Poles: 3 Pole
• Phase: 3 Phase
• Rated Voltage: 600V
• Interrupting Capacity: 65 kA @ 480V
• Interrupting Class: High Interrupting Capacity
• Trip Unit: Thermal-Magnetic
• Trip Functions: LI – Long-Time and Instantaneous
• Trip Configuration: Non-interchangeable
• Temperature Rating: 40°C
• Connection: Feed-through
• Terminals: Line and load side lug terminals

Part Numbers & Identification

• Manufacturer: Eaton
• Product Family: Cutler-Hammer Series C
• Catalog Number: HKD3350C
• Frame Designation: HKD
• Product Type: Molded Case Circuit Breaker (MCCB)
• UPC:786685018584

Compatibility

Suitable for Eaton Cutler-Hammer Series C HKD-frame applications requiring a 350A, three-pole MCCB with thermal-magnetic LI protection, 600V rating, and 65 kA interrupting capacity at 480V. Supports feed-through connections with line- and load-side lug terminals.

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You may return items within 10 days of delivery for a refund.

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