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ABB 54740 - Rating Plug for 400A Masterpact Breakers

ABB
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ABB 54740 is a rating plug accessory designed for configuring the trip unit current rating within ABB Masterpact circuit breaker frames. It sets a fixed current rating of 400A for compatible STR series trip units, including models like the STR28D, STR38S, and STR58U. The compact MP-type plug measures 1 11/16 in x 31/32 in and weighs 0.09 lb, and it is certified to UL standard E9809. This component is used to ensure proper overcurrent protection coordination in industrial power distribution systems.

Key Features & Specifications
  • Type: MP-type rating plug for Masterpact circuit breakers
  • Current Rating: 400A
  • Compatible Frames: MP
  • Compatible Trip Types: STR28D, STR28DP, STR38S, STR38SP, STR38ST, STR38SW, STR58U, STR58UP, STR58UT, STR58UW
  • Frame Size: 400
  • Amperage Minimum: 400A
  • Amperage Maximum: 400A
  • Dimensions: 1 11/16 in x 31/32 in
  • Weight: 0.09 lb
  • Certification: UL E9809
  • Country of Origin: United States


Product Identification
  • UPC: 078621054740
  • GTIN: 00786210547404