Default product image

Westinghouse 504C336G21 - Molded Case 150A 3-Pole Breaker (600V AC)

Westinghouse
Price
Save $-1,096.29
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
Westinghouse 504C336G21 is a KA Series molded case circuit breaker designed for LI (Long-Time and Instantaneous) thermal magnetic protection in three-phase industrial systems. This 3-pole, 150A unit is rated for 600V AC with a 22kA interrupting capacity at 480V, providing robust short circuit and overload protection. The bolt-on connection design and 19 lb weight facilitate secure installation in distribution panels, while the C curve trip characteristic optimizes performance for motor loads and general distribution circuits. It is UL489 certified and IEC/EN 60898-1 compliant, calibrated to 40°C ambient for 50/60Hz operation. Typical applications include motor control centers, switchboards, and commercial power distribution systems requiring reliable overcurrent protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: KA Series
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Current Rating: 150A
  • Poles: 3
  • Voltage Rating: 600V AC
  • AIC Rating: 22kA@480V
  • Connection: Bolt-On
  • Weight: 19 lb
  • Phase: 3
  • C curve trip unit
  • 240/415V AC voltage rating
  • 10kA interrupting capacity
  • DIN rail mounting
  • UL489 certified
  • IEC/EN 60898-1 compliant
  • Calibrated to 40°C ambient
  • Frequency 50/60Hz


504C336G21