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Westinghouse EHB1090SL - Molded Case Breaker 90A 277V

Westinghouse
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Westinghouse EHB1090SL is a 1-pole molded case circuit breaker from the AB DE-ION family, designed to provide thermal magnetic protection for low voltage electrical systems. It is rated for 90A at 277V AC with a 10kA interrupting capacity at 277V, utilizing LI (Long-Time and Instantaneous) trip functions for reliable overload and short circuit protection. The unit features a bolt-on feed-thru connection, weighs 1 lb, and is constructed for straightforward installation in compatible panels. This breaker complies with Federal Specification W-C-375b, ensuring adherence to industry standards for safety and performance. It is suited for industrial and commercial power distribution applications requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: AB DE-ION
  • Series: EHB
  • Mounting Type: Bolt-On
  • Amperage: 90A
  • Voltage: 277V AC
  • Poles: 1
  • Interrupt Rating: 10,000A at 277V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Feed-Thru
  • Weight: 1 lb
  • Federal Specification: W-C-375b


Part Number: EHB1090SL