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Siemens E43M040 - Molded Case Breaker 40A 480V 3-Pole

Siemens
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Siemens E43M040 is a 3-pole molded case circuit breaker from the E Series, designed to provide LI (Long-Time and Instantaneous) protection for industrial electrical systems. It operates at a voltage rating of 480V with a current rating of 40A and an AIC rating of 18kA@480V, utilizing thermal magnetic protection. The unit features a bolt-on connection, weighs 7 lb, and is built for 3-phase applications. This breaker complies with industry standards for overcurrent protection in commercial and industrial environments. It is typically used in distribution panels and motor control centers for reliable circuit isolation and fault interruption.

Key Features & Specifications
  • Type: Molded Case, E Series, Thermal Magnetic
  • Voltage Rating: 480V
  • Current Rating: 40A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 18kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 7 lb
  • Protection: Thermal Magnetic
  • Family: E Series
  • Type: E
  • Item Subcategory: Molded Case


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