hi all,
Thanks for taking the time to read and generate feedbacks
to my problem. Actually the 24V DC power supply is a brand new switching power supply. I have already tested the power supply in my office with some load and its fine. The problem only happens at the field. Let me elaborate how...
Recently I have mounted a pump control panel consist of relays, stepdown transformer and dc power supply. This panel mounted at lightening risk area (inside an isolated cabin in middle of a field). The problem is the DC power supply blows at first or second time I switch it on. Its a single...