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Siemens HEB3B040B - Molded Case Circuit Breaker 40A 600V 3P

Siemens
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Siemens HEB3B040B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 40A current rating and a 600V voltage rating, housed within a compact, bolt-on configuration measuring 6.693 x 3.543 x 3.937 inches and weighing 2.601 lb. The breaker is constructed for durability with a thermal-magnetic trip unit providing both long-time and instantaneous trip functions, and it operates effectively across a temperature range of -25 to 70 °C. It complies with industry standards for interrupting a maximum of 65kA at 480V, making it suitable for protecting feeders and branch circuits in panelboards and switchboards where copper or aluminum conductors from AWS size 8 to 1/0 are used.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Dimensions: 6.693" L x 3.543" W x 3.937" H (170mm x 90mm x 100mm)
  • Standards: Designed to meet applicable industry standards for circuit interruption
  • Applications: Industrial power distribution, panelboards, switchgear, feeder and branch circuit protection
  • Phase: 3
  • AIC Rating: 65kA at 480V AC
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal-Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Wire Size: AWS 8 to AWS 1/0 (Copper or Aluminum)
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Weight: 2.601 lb
  • Family: HEB Series
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 783643559004
  • GTIN: 00783643559004