1. C

    Electronic Overcurrent Relay (EOCR) Settings

    Hi, To give you some background I am currently working on an Automated machine for Manufacturing that involves two air-blowers that are powered by 3-phase 208V power. The blowers are set-up in independent circuits with a Schneider 3DM2-WRDBWZ EOCR and 10A/20A MCB after the EOCR. One of the...
  2. J

    Choosing the right varistor

    Hi, I work for company in the UK as an electrical engineer. I have just started at my new place and they have a 3-phase pump motor controller that needs replacing. It's a Coelbo Onematic controller, working off the pressure in the water line. I have a new controller unit but don't want to wire...