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Can I install an AMS switch onto an existing breaker?

Published date: 11 June 2020

Issue:
Can the AMS be put on an breaker already installed?

Product Line:
Circuit Breakers

Environment:
Powerpact P and R, and Masterpact NT and NW Circuit Breakers
Micrologic Trip Units 5.0A, 5.0P, 5.0H, 6.0A, 6.0P, 6.0H

Resolution:
The AMS switch is designed to be factory installed in switchboard and switchgear. It can be installed in the field, but it requires a breaker with an A, P, or H trip unit and purchase of the following:
  • Restraint Interface Module (RIM), catalog number S48890 (120 Vac/24 Vdc) or S48895 (240 Vac/24 Vdc).
  • Kit 84957: label and components for required switches; includes the following
    • Instruction Bulletin NHA40218
    • AMS nameplate (80298-173-01)
    • AMS danger label (NHA41456)
    • C&KJ AMS push button (KM3301RR05Q) (button used for testing)
  • Switch with blue indicator light (9001K11J38LLL)
  • Switch contact block (9001KA3)
  • Padlock attachment (9001K7)
  • Remote Pilot Light (the bulletin shows 9001KP1L9 or 9001KP35L9, but others can be used)
See attachment for instructions.
Schneider Services can advise on the feasibility of adding AMS for a particular installation.
Contact your local Schneider/Square D Services or Sales Office for more information.

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