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Westinghouse JB2100S - Molded Case Breaker 100A 600V

Westinghouse
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Westinghouse JB2100S is a molded case circuit breaker from the AB DE-ION family, designed for thermal magnetic protection with long-time and instantaneous (LI) trip functions. This 2-pole, 1-phase unit is rated for 100A at 600V and delivers an interrupting capacity of 22kA at 480V. The breaker features a feed-thru connection and weighs 15 lb, constructed for reliable overcurrent protection in industrial environments. It meets industry standards for safety and performance in demanding applications. Typical uses include protecting branch circuits, feeders, and equipment in commercial and industrial power distribution systems.

Key Features & Specifications
  • Type: Molded Case
  • Family: AB DE-ION
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Poles: 2
  • Phase: 1
  • Current Rating: 100A
  • Voltage Rating: 600V
  • AIC Rating: 22kA at 480V
  • Connection: Feed-Thru
  • Weight: 15 lb


Part Number: JB2100S