You are viewing a GE SPECTRA BREAKER RATING PLUG Cat #SRPK1200A1000. This is for 1200A Frame size SKH, SKL or SKP breaker with Spectra RMS trip units. This fits GE (now ABB) Spectra breakers.
Per OEM: For Molded Case Circuit Breaker, Industrial Circuit Breakers, 1200A Circuit Breakers, Electronic Trip, Spectra½ RMS, MicroVersaTrip½ Plus and PM Rating Plug. Rated 1000 amps.
This is in good used condition and was functional when removed from service. These are no longer made by GE or their suitor ABB.
Shipped free in the USA via USPS Ground Advantage mail.