Eaton Cutler-Hammer KD3300X 300 Amp Molded Case Circuit Breaker – 3 Pole – 600 V – 35 kAIC at 480 V – Type KD – Series C

The Eaton Cutler-Hammer KD3300X is a thermal-magnetic molded case circuit breaker from Eaton’s Series C product family, designed for three-phase electrical distribution and industrial power protection applications. Rated at 300 Amps and 600 Volts, this three-pole breaker features interchangeable LI trip functions, providing long-time and instantaneous overcurrent protection. With a standard interrupting capacity of 35 kA at 480 V, it includes feed-through construction and line- and load-side lug terminals for compatible electrical installations.

Specifications

• Manufacturer: Eaton
• Brand: Cutler-Hammer / Eaton / Westinghouse
• Product Type: Thermal-Magnetic Molded Case Circuit Breaker
• Product Series: Series C
• Breaker Type: KD
• Frame Type: KD Frame
• Current Rating: 300 Amp
• Poles / Configuration: 3 Pole
• Phase: 3 Phase
• Rated Voltage: 600 V
• Interrupting Rating at 480 V: 35 kAIC
• Interrupting Capacity: Standard
• Trip Functions: Long-Time and Instantaneous (LI)
• Trip Mechanism: Thermal-Magnetic
• Temperature Rating: 40°C
• Connection Type: Feed-Through
• Terminal Configuration: Line- and Load-Side Lug Terminals
• Breaker Type: Complete Breaker
• Catalog Number / MPN: KD3300X

Part Numbers & Identification

• Manufacturer: Eaton
• Brand: Cutler-Hammer
• Catalog Number: KD3300X
• Product Family: Series C
• Breaker Type: KD
• Current Rating: 300 A
• Pole Count: 3 Pole
• Voltage Rating: 600 V
• Trip Function: LI — Long-Time and Instantaneous
• Product Type: Molded Case Circuit Breaker
• UPC:786679349175 

Compatibility

The Eaton KD3300X is intended for compatible Series C Type KD electrical distribution applications requiring a three-pole, 300 Amp thermal-magnetic molded case circuit breaker.

Certifications

• UL Listed

Returns are easy

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

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