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Siemens NEB1B020B - Molded Case Circuit Breaker 20A 277V 1-Pole

Siemens
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Siemens NEB1B020B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in single-phase industrial and commercial electrical systems. It features a 20A current rating and a 277V AC voltage rating, housed within a compact, durable molded case with a bolt-on connection for secure installation. This thermal magnetic breaker complies with industry standards for safety and performance, operating effectively across a temperature range of -25 to 70 °C. It is typically applied in panelboards, switchboards, and control panels to protect circuits powering lighting, HVAC, and other critical loads.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 277V AC
  • Current Rating: 20A
  • Poles: 1
  • Phase: 1
  • AIC Rating: 35kA @ 277V
  • Protection Functions: LI (Long-Time and Instantaneous Trip)
  • Wire Size Compatibility: AWS 8 to AWS 1/0, Copper or Aluminum
  • Operating Temperature: -25 to 70 °C (-13 to 158 °F)
  • Weight: 1.257 lb
  • Standards: Designed to meet applicable industry safety standards
  • Applications: Panelboards, Switchboards, Industrial Control Panels, Commercial Lighting & HVAC Circuits


Product Identification
  • UPC: 783643558151
  • GTIN: 00783643558151