: The user query "ltb 72.5-170d1 b manual" contains a slight deviation from standard US Army Nomenclature.
Consists of three separate poles, each containing a puffer cylinder and contacts for arc extinction. Operating Mechanism: Powered by a motor-charged spring system (e.g.,
De-energize the control voltage before adjusting the auxiliary switch cams. Improper adjustment can cause false “breaker closed” signals.