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Square D ARP058 - Rating Plug 4000A (Micrologic Trip Unit)

Square D
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Square D ARP058 is a Micrologic rating plug designed for configuring and setting the trip unit current rating on compatible Square D Masterpact circuit breakers. It establishes a maximum continuous current rating of 4000A for the breaker's protective functions and is compatible with a wide range of Micrologic trip unit frames including LX, MX, NX, PX, and SE series. The plug is engineered for integration into the breaker's trip unit, facilitating precise adjustment of the long-time pickup (Ir) from a minimum of 100A up to the full 4000A frame rating. This component ensures the circuit breaker's protection characteristics are correctly calibrated to the specific application requirements, supporting reliable overcurrent protection in accordance with industry standards for electrical distribution systems.

Key Features & Specifications
  • Type: Micrologic ARP rating plug for electronic trip unit configuration
  • Current Rating: 4000A maximum continuous current
  • Amperage Range: 100A to 4000A adjustable
  • Compatible Frames: LX, LXP, LXL, LXF, LE, LEP, LEL, LEF, MX, MXP, MXL, MXF, ME, MEP, MEL, MEF, NX, NXL, NXP, NXF, NE, NEL, NEP, NEF, PX, PXF, PXL, PXP, PE, PEL, PEP, PEF, SED, SEHD, SEF, SEHF
  • Trip Type: Micrologic electronic
  • Frame Size: 4000
  • Weight: 1 lb