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Westinghouse HFB3040L - Molded Case 40A 3-Pole 600V

Westinghouse
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The Westinghouse HFB3040L is a three-pole molded case circuit breaker from the MARK 75 family, designed for overcurrent protection in industrial power distribution systems. It is rated for 40A continuous current at 600V AC, with a 25kA interrupting capacity at 480V, and utilizes a thermal-magnetic trip mechanism for LI (Long-Time and Instantaneous) protection. The breaker features a feed-thru connection, weighs 11 lb, and is built for three-phase applications. It complies with industry standards for molded case circuit breakers, making it suitable for use in panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case, MARK 75 Family, HFB Type
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 25kA@480V
  • Connection: Feed-Thru
  • Phase: 3
  • Weight: 11 lb
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Three-Phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Installation Type: Panelboard or Switchboard
  • Breaker Frame: MARK 75
  • Trip Type: Thermal Magnetic
  • Panel Type: Distribution
  • Breaker Type: Molded Case
  • Metal Type: Steel
  • Insulation Temperature: 75°C
  • Operating Temperature Maximum Celsius: 40°C


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