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HFB3020.ST

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Westinghouse HFB3020.ST is a 3-pole molded case circuit breaker designed for overcurrent and short-circuit protection in industrial power distribution systems. Rated for 20 amps at 600 volts, it delivers a 25kA interrupting capacity at 480 volts and utilizes a thermal magnetic trip unit for reliable fault response. The unit features a bolt-on mounting style, weighs 5.19 lb, and is part of the MARK 75 series with a compact HFB frame construction. It is UL Listed, ensuring compliance with North American electrical safety standards. This breaker is suited for protecting branch circuits, motor control centers, and panelboards in commercial and industrial environments.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Westinghouse
  • Part Number: HFB3020.ST
  • Amperage: 20A
  • Voltage: 600V
  • Poles: 3
  • Interrupt Rating: 25kA @ 480V
  • Mounting Type: Bolt-On
  • Series/Frame: MARK 75 / HFB
  • Trip Unit: Thermal Magnetic
  • UL Listed Certification
  • Phase: 3
  • Weight: 5.19 lb


Westinghouse HFB3020.ST - 3-Pole MCCB 20A 600V (25kA@480V)