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Square D 54749 - Masterpact MP Rating Plug 1000A

Square D
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Square D 54749 is a Masterpact MP rating plug designed to configure the current rating and trip characteristics of compatible circuit breakers. It sets a fixed 1000A current rating for use with Masterpact MP frames and is compatible with a range of STR trip units including STR28D, STR38S, STR58U, and their variants. The plug has a compact, durable construction with a weight of 1 lb, ensuring reliable integration into the breaker assembly. It is engineered for industrial power distribution systems where precise overcurrent protection coordination is required.

Key Features & Specifications
  • Type: MP Rating Plug for Masterpact Circuit Breakers
  • Current Rating: 1000A
  • Compatible Frames: Masterpact MP
  • Trip Type Compatibility: STR28D, STR28DP, STR38S, STR38SP, STR38ST, STR38SW, STR58U, STR58UP, STR58UT, STR58UW
  • Amperage Range: 1000A (Fixed)
  • Weight: 1 lb
  • Item Subcategory: Rating Plug
  • Manufacturer: Schneider Electric