This article provides the control schematic information and key distinctions between the two LS UVM VCB (Vacuum Circuit Breaker) types: A Type and Q Type, both applicable for 5/15/27kV class switchgear.
77013181004: CONTROL CIRCUIT, UVM 5/15/27kV, A Type
77013181005: CONTROL CIRCUIT, UVM 5/15/27kV, Q Type