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Siemens E41B050 - Molded Case Circuit Breaker, 50A 1P 277V

Siemens
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Siemens E41B050 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase industrial and commercial electrical systems. It features a 50A current rating and a 277V AC voltage rating, engineered within a compact, 1-pole bolt-on configuration with a thermal-magnetic protection mechanism for both long-time and instantaneous trip functions. The unit is constructed with durable materials, weighs approximately 2 lb, and is built to interrupt faults with an interrupting capacity of 22kA at 277V, ensuring system safety and compliance with relevant industry standards for electrical distribution equipment. Its typical applications include protection of feeders and branch circuits in panelboards, switchboards, and other power distribution equipment.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, E Series, Thermal Magnetic Protection
  • Voltage Rating: 277V AC
  • Current Rating: 50A
  • Poles: 1
  • Phase: 1
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 22kA @ 277V
  • Weight: 2 lb
  • Family: E Series