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Siemens NGB1B090 - Molded Case Circuit Breaker 90A 347V

Siemens
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Siemens NGB1B090 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 90A current rating and a 347V voltage rating, housed within a compact GG frame with a single-pole, bolt-on connection for secure installation. This thermal magnetic breaker offers both long-time and instantaneous (LI) trip functions, ensuring protection against both overloads and high-level faults with an interrupting capacity of 25kA at 277V. Constructed for durability, it operates within a temperature range of -13°F to 158°F and complies with UL and IEC standards for safety and performance. Its typical applications include protection for feeders, branch circuits, and equipment in panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, LI (Long-time & Instantaneous) Functions
  • Voltage Rating: 347V AC
  • Current Rating: 90A
  • Frame Size: GG Frame
  • Poles: 1
  • Connection: Bolt-On
  • AIC Rating: 25kA @ 277V
  • Phase: 1
  • Certification: UL, IEC
  • Operating Temperature: -13°F to 158°F (-25°C to 70°C)
  • Weight: 0.866 lb
  • Family: VL Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643553200
  • GTIN: 00783643553200