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Siemens HEB2B045B - Molded Case Circuit Breaker 45A 2-Pole

Siemens
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Siemens HEB2B045B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial electrical systems. It features a 45A current rating and a 600V voltage rating for robust performance. The breaker is constructed with a two-pole, bolt-on configuration and a thermal magnetic trip unit offering both long-time and instantaneous trip functions for coordinated protection. It complies with UL standards and is rated for an interrupting capacity of 65kA at 480V AC. Typical applications include protection for feeders, motors, and other equipment within industrial control panels and distribution boards.

Key Features & Specifications
  • Type: HEB Series Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 45A
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic with Long Time and Instantaneous Trip Functions
  • AIC Rating: 65kA at 480V AC
  • Phase: 1
  • Wire Size: 8 to 1/0 AWG CU/AL
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Certification: UL Listed
  • Weight: 1.257 lb
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 783643558861
  • GTIN: 00783643558861