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HE3A045L

Siemens
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Siemens HE3A045L is a 3-pole molded case circuit breaker from the HE Series, designed for instantaneous magnetic-only protection in low-voltage power distribution systems. It operates at a 480V AC voltage rating with a 45A continuous current rating and a 25kA interrupting capacity at 480V, utilizing a feed-thru connection for straightforward integration. This compact unit weighs 8 lb and features a bolt-on mounting style with an ED frame, providing reliable overcurrent and short-circuit interruption. The breaker complies with UL 489 and CSA C22.2 No. 5 standards, ensuring adherence to North American safety requirements. It is well-suited for industrial and commercial applications requiring robust protection in three-phase systems.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: HE Series
  • Type: HE
  • Weight: 8 lb
  • Functions: I - Instantaneous
  • Voltage Rating: 480V
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Magnetic Only
  • AIC rating: 25kA@480V
  • Phase: 3
  • Current Rating: 45A
  • Mounting Type: Bolt-On
  • Frame: ED
  • Trip Unit: Thermal-Magnetic
  • Certifications: UL Listed, CSA C22.2 No. 5, UL 489


Siemens HE3A045L - Molded Case Circuit Breaker 45A 480V 3-Pole