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Siemens EF2B150 - Molded Case 150A 2-Pole Thermal Magnetic (600V)

Siemens
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Siemens EF2B150 Circuit Breaker - Molded Case 150A 2-Pole Thermal Magnetic (600V) The Siemens EF2B150 is a 2-pole molded case circuit breaker from the EF Series, designed to provide LI (Long-Time and Instantaneous) protection for electrical circuits. This thermal magnetic breaker is rated for 600V AC, 150A continuous current, and features a 14kA interrupting capacity at 480V, making it suitable for protecting branch circuits and feeders in commercial and industrial power distribution systems. The unit weighs 3 lb and utilizes a bolt-on connection for secure installation in compatible panelboards and switchboards, with a 1-phase configuration. It complies with UL and CSA standards for overcurrent protection, ensuring reliable performance in motor control centers, lighting panels, and other load centers requiring precise thermal and magnetic trip coordination.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, EF Series
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Poles: 2
  • Phase: 1
  • Connection: Bolt-On
  • Protection: Thermal Magnetic (LI - Long-Time and Instantaneous)
  • AIC Rating: 14kA@480V
  • Weight: 3 lb
  • Functions: Long-Time and Instantaneous Trip
  • Standards: UL, CSA
  • Applications: Branch circuit protection, feeder protection, industrial power distribution


Product Identification
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: EF Series
  • Type: EF