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Siemens NGB1B090L - Molded Case Circuit Breaker 90A 347V

Siemens
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Siemens NGB1B090L is a 90 Amp molded case circuit breaker from the VL Series, designed for overcurrent protection in single-phase electrical systems. It operates at 347V AC with a thermal magnetic trip unit providing LI (Long-Time and Instantaneous) functions, and features a 25kA interrupting capacity at 277V. This 1-pole unit has a bolt-on mounting style within a compact GG Frame, weighing 1.5 lb, and supports wire sizes from 8 to 1/0 AWG copper and 8 to 2/0 AWG aluminum. It is certified to UL and IEC standards, with a temperature rating of -13°F to 158°F. The breaker is suited for industrial and commercial applications requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: NGB
  • Amperage: 90 Amp
  • Voltage Rating: 347 Volt AC
  • Number of Poles: 1
  • Phase: 1
  • Mounting Type: Bolt-On
  • Trip Type: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: GG Frame
  • AIC Rating: 25kA@277V
  • Wire Size: 8 to 1/0 AWG Copper, 8 to 2/0 AWG Aluminum
  • Certification: UL, IEC
  • Temperature Rating: -13°F to 158°F
  • Weight: 1.5 lb
  • Country of Origin: Mexico