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Westinghouse SPB400 - 400A Rating Plug for SPB Series

Westinghouse
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The Westinghouse SPB Series Rating Plug is a precision component designed to set the continuous current rating for compatible circuit breaker frames. This specific plug provides a fixed 400A current rating for use with SPB-50 and SPB-100 frames, utilizing Pow-R Trip or Pow-R Trip 7 trip units for accurate overcurrent protection. Weighing just 1 lb, the plug is a compact, lightweight module that installs directly into the breaker mechanism to define its amperage capacity. It is engineered to meet rigorous industrial standards for reliable performance in demanding electrical distribution systems. This rating plug is typically employed in commercial and industrial power distribution panels to configure breaker trip settings for specific load requirements.

Key Features & Specifications
  • Type: Rating Plug
  • Family: SPB Series
  • Frame Size: 400
  • Current Rating: 400A
  • Amperage Minimum: 400
  • Amperage Maximum: 400
  • Compatible Frames: SPB-50, SPB-100
  • Trip Type: Pow-R Trip, Pow-R Trip 7
  • Weight: 1 lb