Default product image

Eaton KD4300W - Molded Case Circuit Breaker 300A 600V

Cutler Hammer
Price
Save $-2,330.12
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
Eaton KD4300W is a 4-pole molded case circuit breaker from the Series C K-frame line, designed for thermal-magnetic overcurrent protection in industrial and commercial electrical systems. It is rated for 300 amps at 600 VAC and 250 VDC, with an interrupting capacity of 35 kA at 480 VAC and 65 kA at 240 VAC, and features a fixed thermal/fixed magnetic LI (Long-Time and Instantaneous) trip unit. The breaker weighs 15 lb, uses aluminum terminals, and is built for bolt-on connection within a K-frame configuration, supporting three-phase operation at 50 to 60 Hz. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include main or feeder protection in industrial power distribution panels and commercial switchboards.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: Series C
  • Type: KD
  • Weight: 15 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: K Frame
  • Voltage Rating: 600 VAC / 250 VDC
  • Poles: 4
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 35 kA at 480 VAC, 65 kA at 240 VAC
  • Phase: 3
  • Current Rating: 300 A
  • Trip Unit: Fixed Thermal / Fixed Magnetic
  • Terminal Material: Aluminum
  • Frequency Rating: 50 to 60 Hz