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KB3175S

Westinghouse
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Westinghouse KB3175S Molded Case Circuit Breaker - 175A 3-Pole Thermal Magnetic (600V, 22kA@480V) The Westinghouse KB3175S is a 3-pole molded case circuit breaker from the AB DE-ION family, designed for overcurrent protection in low voltage distribution systems. It is rated for 175 amps at 600VAC and features a thermal magnetic trip unit with LI (Long-Time and Instantaneous) functions for precise protection against overloads and short circuits. This bolt-on breaker weighs 19 lb and is constructed with a rugged molded case housing, supporting a high interrupting capacity of 22kA at 480VAC. It complies with industry standards for industrial and commercial electrical systems. Typical applications include panelboard and switchboard installations in manufacturing facilities, commercial buildings, and utility distribution networks.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Westinghouse
  • Family: AB DE-ION
  • Type: KB
  • Amperage Rating: 175 Amps
  • Voltage Rating: 600 VAC
  • Number of Poles: 3 Pole
  • Mounting Type: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 22 kA at 480 VAC
  • Phase: 3
  • Weight: 19 lb
  • Molded Case Construction
  • Interchangeable Trip Unit Design


Westinghouse KB3175S - Molded Case Circuit Breaker 175A