What does the JK or JA suffix means on M, P, or R frame breakers?

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Issue:

Kirk interlock for M frame breaker

Product Line:

Molded Case Circuit Breakers

Answer:

JK or JA suffix are provisions for installation of Kirk Key Interlocks on the breakers. JA is for vertical mounting and JK is for horizontal mounting

Released for: Schneider Electric USA

Published on:2/10/2025Last Modified on:2/10/2025