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ABB 378 - Malleable Iron Locknut, 1/2" NPT, Rain Tight

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ABB 378 is a rigid/IMC conduit fitting designed for securing and grounding electrical conduit systems in industrial environments. This malleable iron locknut provides a straight mounting style for circuit breakers and enclosures, with a rain-tight enclosure rating for outdoor or wet location use. It features a 1/2-inch NPT connection, measures 5.1 x 5.1 x 0.05 inches, and weighs 0.35 lb. The fitting is UL Listed for a temperature rating of 105°C, ensuring reliable performance under thermal stress. Typical applications include use in locknuts, nipples, washers, reducers, and plugs for rigid and IMC conduit systems in industrial power distribution.

Key Features & Specifications
  • Type: Malleable iron locknut for rigid/IMC conduit
  • Connection: NPT
  • Enclosure: Rain Tight
  • Circuit Breaker Mounting Style: Straight
  • Metal Type: Malleable Iron
  • Temp Rating: UL Listed 105°C
  • Dimensions: 5.1 in x 5.1 in x 0.05 in (Length/Depth x Height x Width)
  • Weight: 0.35 lb
  • Section: Locknuts, Nipples, Washers, Reducers and Plugs - Rigid-IMC


Product Identification
  • UPC: 784564103789
  • GTIN: 00783310000000