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Siemens NEB2B090B - Molded Case 90A 2-Pole Breaker

Siemens
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Siemens NEB2B090B is a 2-pole molded case circuit breaker from the NEB Series, designed to provide thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions for commercial and industrial electrical systems. It is rated for 90A at 600V AC, offers a 35kA interrupting capacity at 480V, and operates on a single-phase system with bolt-on mounting for secure installation. The breaker weighs 2 lb and features load side lug terminals, a push-to-trip button, and high in-rush current capability for robust performance in demanding environments. It complies with industry standards for molded case circuit breakers, ensuring reliable overload and short-circuit protection. Typical applications include distribution panels, lighting circuits, and motor control centers in industrial facilities.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Siemens
  • Series/Frame: NEB
  • Part Number: NEB2B090B
  • Amperage: 90A
  • Voltage: 600V AC
  • Poles: 2
  • Phase: 1
  • Mounting Type: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 35kAIC @ 480V, 22kAIC @ 600Y/347V
  • Terminals: Load Side Lug
  • Features: Push-to-Trip Button, High In-Rush Current Capability
  • Weight: 2 lb