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Siemens NGB2B040L - Molded Case Circuit Breaker, 40A 600V 2-Pole

Siemens
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Siemens NGB2B040L is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial electrical systems. It features a 40A current rating and a 600V AC voltage rating, housed within a compact GG frame with a bolt-on connection for secure installation. This two-pole, single-phase breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous protection, is rated for an interrupting capacity of 25kA at 480V, and operates within a temperature range of -25°C to 70°C (-13°F to 158°F). Constructed for durability and compliance, it meets UL and IEC standards and is engineered for integration into panelboards, switchboards, and industrial control panels where robust circuit protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, NGB Type, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Frame Size: GG Frame
  • Poles: 2
  • Phase: 1
  • Connection: Bolt-On
  • Protection Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 25kA @ 480V
  • Certification: UL, IEC
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Weight: 2.5 lb
  • Family: VL Series
  • Country of Origin: Mexico


Product Identification
  • Manufacturer Part Number: NGB2B040L