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Schneider Electric Merlin Gerin NB400H - Molded Case 400A 690V 3-Pole

Merlin Gerin
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The Schneider Electric Merlin Gerin NB400H is a 3-pole molded case circuit breaker from the Compact family, designed for primary protection of electrical systems through long-time and instantaneous (LI) functions. It is rated for 690V AC, 400A continuous current, and delivers a 70kA interrupting capacity at 415V, utilizing solid-state protection for precise fault response. This bolt-on unit weighs 23 lb and is constructed for robust industrial environments, operating on a 3-phase system. It complies with relevant industry standards for molded case breakers, making it suitable for distribution panels, motor control centers, and heavy machinery protection in manufacturing and utility applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Protection
  • Voltage Rating: 690V AC
  • Current Rating: 400A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 70kA@415V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 23 lb
  • Family: Compact
  • Type: NB
  • Item Subcategory: Molded Case
  • Manufacturer: Schneider Electric


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