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Siemens NEB1B025B - Molded Case Circuit Breaker 25A 1P (277V 35kA)

Siemens
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Siemens NEB1B025B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in single-phase electrical systems. It features a 25A current rating and a 277V AC voltage rating, housed in a compact, bolt-on configuration with a thermal-magnetic trip unit for combined long-time and instantaneous protection. Constructed for durability, it operates within a temperature range of -25 to 70 °C and accommodates copper or aluminum conductors sized from 8 AWG to 1/0 AWG. This breaker complies with industry standards for safety and performance, offering a 35kA interrupting capacity at 277V, making it suitable for industrial control panels, HVAC systems, and commercial lighting applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 277V AC
  • Current Rating: 25A
  • Poles: 1
  • Phase: 1
  • AIC Rating: 35kA @ 277V
  • Protection: Thermal-Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Connection: Bolt-On
  • Wire Size: 8 to 1/0 AWG, Copper or Aluminum
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Weight: 1.257 lb
  • Standards: Designed to meet applicable industry safety and performance standards
  • Applications: Industrial control panels, HVAC equipment, commercial lighting circuits


Product Identification
  • UPC: 783643558168
  • GTIN: 00783643558168