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Siemens EF3B045 - Molded Case Circuit Breaker 45A 600V 3-Pole

Siemens
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Siemens EF3B045 is a 3-pole molded case circuit breaker from the EF Series, designed to provide LI (Long-Time and Instantaneous) protection for industrial electrical systems. It operates at a voltage rating of 600V and a current rating of 45A, with a thermal magnetic protection mechanism and an AIC rating of 14kA at 480V. This bolt-on unit weighs 8 lb and is constructed for robust, reliable performance in demanding environments. It complies with industry standards for molded case circuit breakers, ensuring safe and efficient operation. Typical applications include protecting branch circuits, feeders, and equipment in commercial and industrial power distribution systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, EF Series, Thermal Magnetic
  • Voltage Rating: 600V
  • Current Rating: 45A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 14kA@480V
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Weight: 8 lb
  • Functions: LI - Long-Time and Instantaneous
  • Item Subcategory: Molded Case
  • Family: EF Series
  • Type: EF


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