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Westinghouse JB2250S - Molded Case 250A 600V 2-Pole

Westinghouse
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Westinghouse JB2250S is a 2-pole molded case circuit breaker designed for thermal magnetic protection against overloads and short circuits in low voltage applications. It is rated for 250 amps at 600 volts AC with a high interrupting capacity of 22kA at 480V, utilizing LI (Long-Time and Instantaneous) trip functions for precise fault response. The unit features a bolt-on mounting type and feed-thru connection, weighing 17 lb with a compact construction suited for panelboard integration. This breaker complies with industry standards for molded case circuit breakers, ensuring reliable performance in commercial and industrial power distribution systems. It is typically applied in single-phase feeder and branch circuit protection within AB DE-ION family switchboards.

Key Features & Specifications
  • Type: Molded Case
  • Family: AB DE-ION
  • Series/Frame: JB
  • Amperage: 250A
  • Voltage Rating: 600V AC
  • Poles: 2
  • Phase: 1
  • Interrupt Rating: 22,000 AIC at 480V
  • Trip Unit: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Feed-Thru
  • Mounting Type: Bolt-On
  • Weight: 17 lb


JB2250S