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Siemens HEB1B045B - Molded Case Breaker 45A 1P (65kA AIC)

Siemens
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Siemens HEB1B045B is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase electrical systems. It features a 45A current rating and a 277V AC voltage rating, housed within a compact, durable molded case construction with a bolt-on connection for secure installation. This unit complies with industry standards for safety and performance, utilizing a thermal magnetic protection mechanism that combines both long-time and instantaneous (LI) trip functions. It is typically applied in industrial and commercial panelboards, switchboards, and motor control centers where a 65kA interrupting capacity at 277V is required for effective short-circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 277V AC
  • Current Rating: 45A
  • Poles: 1
  • Phase: 1
  • AIC Rating: 65kA @ 277V
  • Functions: LI (Long-Time and Instantaneous)
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Family: HEB Series
  • Weight: 1.257 lb
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 783643558717
  • GTIN: 00783643558717