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Siemens NEB3B045B - Molded Case Circuit Breaker 45A 600V 3P

Siemens
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Siemens NEB3B045B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 45A current rating and a 600V AC voltage rating, housed within a compact, bolt-on configuration measuring 90mm x 170mm x 100mm (3.543" x 6.693" x 3.937") and weighing 2.557 lb. The breaker utilizes a thermal-magnetic trip unit for both long-time and instantaneous protection, is rated for 35kA interrupting capacity at 480V AC, and operates reliably across a temperature range of -25°C to 70°C (-13°F to 158°F). This unit is engineered for integration into industrial control panels, switchboards, and motor control centers where robust circuit protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 45A
  • Dimensions: 90mm x 170mm x 100mm (3.543" x 6.693" x 3.937")
  • Standards: Designed to meet applicable industry standards
  • Applications: Industrial control panels, switchgear, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Phase: 3
  • AIC Rating: 35kA @ 480V AC
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal-Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Weight: 2.557 lb
  • Family: NEB Series
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 783643558564
  • GTIN: 00783643558564