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Siemens E42B110 - Molded Case 110A 2-Pole (480V Thermal Magnetic)

Siemens
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Siemens E42B110 Circuit Breaker - Molded Case 110A 2-Pole (480V Thermal Magnetic) The Siemens E42B110 is a 2-pole molded case circuit breaker from the E Series family, designed to provide LI (Long-Time and Instantaneous) protection for electrical circuits. This thermal magnetic breaker is rated for 110A at 480V with an AIC rating of 18kA@480V, and features a bolt-on connection for secure installation in single-phase systems. Weighing 3 lb, it is constructed with a compact molded case housing that integrates both thermal and magnetic trip mechanisms for reliable overcurrent protection. The breaker complies with industry standards for industrial and commercial applications, ensuring safe and efficient operation in distribution panels and switchboards. Typical applications include motor control centers, lighting panels, and general power distribution in manufacturing facilities and commercial buildings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, E Series, Thermal Magnetic
  • Voltage Rating: 480V
  • Current Rating: 110A
  • Poles: 2
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • AIC rating: 18kA@480V
  • Phase: 1
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 3 lb
  • Family: E Series
  • Type: E
  • Item Subcategory: Molded Case