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Siemens HE3M040 - Molded Case Circuit Breaker 40A 480V 3-Pole

Siemens
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Siemens HE3M040 is a 3-pole molded case circuit breaker from the HE Series, designed for overcurrent protection in 3-phase electrical systems using a thermal magnetic trip unit with LI (Long-Time and Instantaneous) functions. It is rated for 40 amps at 480 volts AC with a 25kA interrupting capacity at 480V, ensuring reliable fault current interruption. The breaker features bolt-on mounting for secure panel installation and weighs 8 lb, with a compact molded case construction. It complies with industry standards for thermal magnetic protection in commercial and industrial power distribution applications. This breaker is suitable for protecting branch circuits and equipment in manufacturing facilities, commercial buildings, and other industrial environments.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Siemens
  • Family: HE Series
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 480V
  • Current Rating: 40 Amps
  • Number of Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 25kA at 480V
  • Weight: 8 lb


Part Number: HE3M040