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Siemens HE42B020 - Molded Case Circuit Breaker 20A 2-Pole 480V

Siemens
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Siemens HE42B020 is a 2-pole molded case circuit breaker from the HE Series, designed for thermal-magnetic overload and short-circuit protection in industrial and commercial power distribution systems. It is rated for 20A at 480V AC with a high interrupting capacity of 42kA at 480V, and provides LI (Long-Time and Instantaneous) trip functions for precise coordination. The unit features a bolt-on mounting style, weighs 5 lb, and operates on single-phase 50/60 Hz power with load side lug terminals included. This breaker complies with industry safety and performance certifications, making it suitable for panelboard and switchboard applications requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: HE Series
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 480V
  • Current Rating: 20 Amp
  • Poles: 2 Pole
  • Interrupt Rating: 42 kAIC at 480 VAC
  • Mounting Type: Bolt-On
  • Protection: Thermal Magnetic
  • Phase: 1
  • Weight: 5 lb
  • Frequency: 50/60 Hz
  • Load Side Lug Terminals Included