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Siemens HEB3B045 - Molded Case Breaker 45A 600V 3-Pole

Siemens
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The Siemens HEB3B045 is a three-pole molded case circuit breaker from the HEB Series, designed for overcurrent protection in industrial power distribution systems. It provides LI (Long-Time and Instantaneous) protection functions with a thermal magnetic trip mechanism, rated for 600V AC and 45A, with an interrupting capacity of 65kA at 480V. This bolt-on unit weighs 3 lb and is built for three-phase applications, ensuring reliable fault isolation. It complies with industry standards for molded case circuit breakers, making it suitable for use in panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 600V
  • Current Rating: 45A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 65kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 3 lb
  • Family: HEB Series
  • Item Subcategory: Molded Case


Product Identification
  • Manufacturer: Siemens
  • Model: HEB3B045