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SK4517 Kit and LAL Circuit Breaker in an ML Panelboard

How does an LAL branch circuit breaker mount in an ML panelboard?

Product Line:
Obsolete ML panelboards and switchboards sold and supported in the USA in the 1960's.

Installation of branch circuit breakers/maintenance.

Availability of branch breakers and mounting kits for the obsolete ML panelboards.

Mounting kit number  SK4517 is now obsolete with no replacement.  Consider replacing the panelboard with a new, current I-Line panelboard. 

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