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Siemens HED43B125L - Molded Case Circuit Breaker 125A 480V 3P

Siemens
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Siemens HED43B125L 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 125A current rating and a 480V AC voltage rating, housed within a compact ED frame with a feed-thru connection for straightforward installation. This thermal magnetic breaker offers both long-time and instantaneous trip functions, is UL Listed, and operates effectively across a temperature range of -25 to 70 °C. Its 42kA interrupting rating at 480V makes it suitable for protecting feeders and branch circuits in commercial and industrial panels, compatible with copper conductors from AWG 3 to 3/0 and aluminum from AWG 1 to 2/0.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Long Time and Instantaneous Trip Functions
  • Voltage Rating: 480V AC
  • Current Rating: 125A
  • Frame Size: ED Frame
  • Poles: 3
  • Phase: 3
  • AIC Rating: 42kA @ 480V
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Wire Size: AWG 3 to AWG 3/0 (Copper), AWG 1 to AWG 2/0 (Aluminum)
  • Certification: UL Listed
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Weight: 3.616 lb
  • Family: Sentron Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643236530
  • GTIN: 00783643236530