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Siemens EH3A040L - Molded Case Breaker 40A 480V

Siemens
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Siemens EH3A040L is a 3-pole molded case circuit breaker from the EH series, designed for instantaneous magnetic-only protection in commercial and industrial electrical systems. It is rated for 40A continuous current at 480V AC with a 14kA interrupting capacity, providing fast response to short-circuit conditions. The unit weighs 8 lb and features a feed-thru connection with a bolt-on mounting style, constructed for durability in demanding environments. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in three-phase applications. Typical uses include motor control centers, panelboards, and other equipment requiring robust overcurrent protection.

Key Features & Specifications
  • Type: EH
  • Item Subcategory: Molded Case
  • Family: EH Series
  • Functions: I - Instantaneous
  • Voltage Rating: 480V
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Magnetic Only
  • AIC rating: 14kA@480V
  • Phase: 3
  • Current Rating: 40A
  • Weight: 8 lb
  • Mounting Type: Bolt-On
  • Interrupt Rating: 25kA @ 480V
  • Trip Unit: Magnetic Only, Instantaneous
  • Application: Molded Case Circuit Breaker


Part Number: EH3A040L