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Westinghouse EHB1090SL - Molded Case 90A 277V 1-Pole

Westinghouse
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Westinghouse EHB1090SL is a molded case circuit breaker from the AB DE-ION family, designed to provide overcurrent protection through thermal magnetic operation. It is rated for 277V AC, 90A, with a 10kA interrupting capacity at 277V, and features LI (Long-Time and Instantaneous) protection functions. This single-pole unit weighs 1 lb, utilizes a feed-thru connection, and is constructed for 1-phase systems. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in industrial settings. Typical applications include branch circuit protection in panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case, AB DE-ION family, Thermal Magnetic
  • Voltage Rating: 277V
  • Current Rating: 90A
  • Poles: 1
  • Phase: 1
  • AIC Rating: 10kA@277V
  • Connection: Feed-Thru
  • Protection: LI - Long-Time and Instantaneous
  • Weight: 1 lb
  • Functions: LI - Long-Time and Instantaneous
  • Item Subcategory: Molded Case
  • Family: AB DE-ION
  • Type: EHB
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 1-Phase
  • Standards: UL 489
  • Installation Type: Panel Mount
  • Breaker Frame: EHB
  • Current Rating: 90A
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not available
  • GTIN: Not available