DEMA device 50/51 50g/50g Hi my name is bradly from philippines, I am currently working in a Medium Voltage Switch Gear, we are going to use dema mcr 310 as a tripping unit for our VCB (elimsan 630AT/1250AF), im new to this project, can I have a advice or a guide on the wiring of these devices, our control power will be coming from a trickle type 48 volt battery. tnx