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Siemens HE63B040 - Molded Case Circuit Breaker 40A 600V 3P

Siemens
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Siemens HE63B040 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 40A current rating and a 600V voltage rating, housed in a robust HE-series frame with a bolt-on connection for secure installation. The breaker utilizes a thermal-magnetic trip mechanism offering both long-time and instantaneous (LI) protection functions, and it is constructed to withstand fault currents up to 30kA at 480V. This unit complies with relevant industry standards for safety and performance, making it suitable for use in panelboards, switchboards, and industrial control panels where dependable circuit protection is critical.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 30kA @ 480V
  • Family/Frame: HE Series
  • Weight: 7 lb