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Siemens E43B045 - Molded Case Circuit Breaker 45A 480V 3P

Siemens
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Siemens E43B045 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 45A current rating and a 480V AC voltage rating, housed within a compact, durable frame with a bolt-on connection for secure installation. This thermal magnetic breaker complies with relevant industry standards for safety and performance, utilizing a long-time and instantaneous (LI) trip function to protect against both overloads and short circuits. Its 18kA interrupting rating at 480V makes it suitable for safeguarding motor control centers, panelboards, and other electrical equipment in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 480V AC
  • Current Rating: 45A
  • Poles: 3
  • Phase: 3-Phase
  • AIC Rating: 18kA @ 480V
  • Trip Functions: LI (Long-Time and Instantaneous)
  • Connection Type: Bolt-On
  • Frame/Series: E Series
  • Weight: 3 lb
  • Protection Type: Thermal Magnetic