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Siemens NEB1B040 - Molded Case 40A 277V 1-Pole

Siemens
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Siemens NEB1B040 is a 1-pole molded case circuit breaker designed for thermal magnetic overcurrent protection in branch circuits. It is rated for 40A at 277VAC with a 35kA interrupting capacity, providing LI (Long-Time and Instantaneous) trip functions for coordinated fault isolation. The unit features a bolt-on connection, weighs 1 lb, and is constructed for single-phase applications within the NEB Series frame. It complies with industry standards for molded case breakers and is suitable for industrial panelboards and load centers requiring compact, high-interrupting protection.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic
  • Voltage Rating: 277V
  • Current Rating: 40A
  • Poles: 1
  • Connection: Bolt-On
  • AIC Rating: 35kA@277V
  • Phase: 1
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 1 lb
  • Family: NEB Series
  • Item Subcategory: Molded Case


Product Identification
  • UPC: Not available
  • GTIN: Not available