I have a doubt regarding GIGAVAC GV200-QA-1 EV CONTACTOR i.e., in the manual Q represents 48 VDC 4/ (4/ is in red color) and 4/ says " Customer must provide an external economizer that meets the pickup current, Coil Current and Pickup Current Time".
I was totally confused by this sentence. Is the contractor require any external economizer to pick up my battery pack current?