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Cutler Hammer BD3040 - Molded Case Circuit Breaker 40A 2-Pole

Cutler Hammer
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The Cutler Hammer BD3040 is a molded case circuit breaker designed to provide reliable overcurrent protection for industrial and commercial electrical systems. It features a 40A current rating and a 120V AC voltage rating, housed in a compact 3" x 3" x 2" (L/D x H x W) frame with a feed-thru connection. This two-pole, single-phase breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection, ensuring compliance with UL 489 and Federal Specification W-C375 standards. It is engineered for branch circuit protection in panelboards and switchboards, offering an interrupting capacity of 10kA at 120V AC.

Key Features & Specifications
  • Type: BD Series Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 120V AC
  • Current Rating: 40A
  • Dimensions: 3 in (L/D) x 3 in (H) x 2 in (W)
  • Weight: 0.4 lb
  • Standards: UL 489, Federal Specifications Classification W-C375
  • Applications: Industrial & Commercial Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 1
  • Poles: 2
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • AIC Rating: 10kA @ 120V
  • Frame Size: BD
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Molded Case
  • Mounting: Panelboard/Switchboard
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786676369534
  • GTIN: 00786676369534