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Westinghouse FD1020L - Molded Case Circuit Breaker 20A 277V 1P

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The Westinghouse FD1020L is a molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for industrial and commercial electrical systems. It features a 20A current rating and a 277V AC voltage rating, housed within a compact F-frame measuring 3.38 in x 2 in x 1.38 in and weighing 1.4 lb. This single-pole, feed-thru breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection, is UL Listed, and offers a 35kA interrupting capacity at 277V AC. Its operational temperature range of -25 to 70 °C (-13 to 158 °F) ensures consistent performance, making it suitable for lighting panels, branch circuits, and other single-phase applications requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Feed-Thru Connection
  • Voltage Rating: 277V AC
  • Current Rating: 20A
  • Dimensions: 3.38 in x 2 in x 1.38 in (L/D x H x W)
  • Standards: UL Listed
  • Applications: Industrial/Commercial Branch Circuit and Lighting Protection
  • Switch Type: Circuit Breaker
  • Configuration: Single-Pole
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • AIC Rating: 35kA @ 277V AC
  • Connection: Feed-Thru
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous Trip (LI)
  • Frame Size: F Frame
  • Breaker Type: Molded Case
  • Weight: 1.4 lb
  • Family: Series C
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786685283753
  • GTIN: 00786685283753