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Siemens HEB1B040B - 1-Pole Molded Case 40A Breaker

Siemens
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Siemens HEB1B040B is a 1-pole molded case circuit breaker designed for thermal-magnetic protection in industrial power distribution systems. It is rated for 40A continuous current at 277VAC, with an interrupting capacity of 65kA at 277V, and provides LI (Long-Time and Instantaneous) trip functions for overcurrent and short-circuit protection. The unit features a bolt-on connection, weighs 1.257 lb, and is manufactured in the Dominican Republic. It complies with applicable UL and NEMA standards for molded case circuit breakers. Typical applications include branch circuit protection in panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 277V
  • Current Rating: 40A
  • Poles: 1
  • Connection: Bolt-On
  • AIC Rating: 65kA@277V
  • Phase: 1
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 1.257 lb
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 783643558700
  • GTIN: 00783644000000