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Siemens EF2B050 - Molded Case Circuit Breaker 50A 600V 2-Pole

Siemens
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The Siemens EF2B050 is a 2-pole molded case circuit breaker from the EF Series, designed to provide thermal magnetic protection for electrical circuits. It is rated for 600V AC, 50A continuous current, and offers a 14kA interrupting capacity at 480V, with LI (Long-Time and Instantaneous) trip functions for overcurrent and short-circuit protection. This bolt-on unit weighs 3 lb and features a compact, single-phase construction suitable for industrial panelboards and distribution equipment. It complies with UL and CSA standards for reliable performance in commercial and light industrial applications. Typical uses include branch circuit protection in motor control centers, lighting panels, and power distribution systems.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, LI (Long-Time and Instantaneous) trip
  • Voltage Rating: 600V AC
  • Current Rating: 50A
  • Poles: 2
  • Phase: 1
  • Connection: Bolt-On
  • AIC Rating: 14kA@480V
  • Weight: 3 lb
  • Family: EF Series
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Item Subcategory: Molded Case
  • Type: EF


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