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Siemens NEB2B040B - Molded Case Circuit Breaker 40A 2P (600V AC)

Siemens
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Siemens NEB2B040B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 40A current rating and a 600V AC voltage rating, housed within a compact, durable molded case measuring 90mm x 170mm x 100mm (3.543" x 6.693" x 3.937") and weighing 1.852 lb. The breaker is constructed for robust performance with a thermal-magnetic trip unit providing long-time and instantaneous (LI) protection, ensuring compliance with relevant industry standards. Its typical applications include protection for feeders, motors, and other equipment within panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Dimensions: 90mm x 170mm x 100mm (3.543" x 6.693" x 3.937")
  • Standards: Designed to meet applicable UL and IEC standards
  • Applications: Industrial and commercial feeder, motor, and equipment protection
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 1
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • AIC rating: 35kA @ 480V AC
  • Frame Size: NEB Series
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Molded Case
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Mounting: Panel Mount
  • Frequency Rating: 50/60 Hz
  • Standards: UL 489, IEC 60947-2
  • Family: NEB Series
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 783643558397
  • GTIN: 00783643558397