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Siemens E42B100 - Molded Case Circuit Breaker 100A 2P 480V

Siemens
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Siemens E42B100 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial electrical systems. It features a 100A current rating and a 480V AC voltage rating, engineered within a compact, two-pole bolt-on configuration with a thermal-magnetic trip unit for both long-time and instantaneous (LI) protection functions. The breaker is constructed with durable materials, weighs 3 lb, and complies with relevant industry standards for safety and performance. Its 18kA interrupting rating at 480V makes it suitable for safeguarding branch circuits and equipment in commercial and industrial facilities, including panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Trip, Bolt-On Connection
  • Voltage Rating: 480V AC
  • Current Rating: 100A
  • Poles: 2
  • Phase: 1
  • Protection: Thermal-Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 18kA @ 480V
  • Connection: Bolt-On
  • Family/Series: E Series
  • Weight: 3 lb