Question about RTO THERMAL DYNAMICS CUTMASTER 52 PLASMA CUTTER 1-5130- 1
You most likely need a Higher Power Mains supply feed, and or breaker/fuse?
Usually one needs at least a 20 or 30 AMP fuse.. or better yet a 35 - 60 Amps when on Single/Three Phase. or if not more in some bigger cutters, cases. So are you sure your power system can take a unit such as this?
Also sometimes it is necessary to install Slow Blow, Motor Breakers and Fuses. These allow the large Inrush, currents, and do not blow or trip, initially... yet still providing full protection.
Normal fuses cannot cope with the inrush current, and subsequently trip or blow, at turn on, as machines such as this and motors all draw many times the rated current at startup, but, then it drops down to an acceptable level, again after the initial inrush...
Now if it is NOT the supply/fuses/breaker, then the ONLY other thing that can cause this, is a short circuit between Phase, and Neutral/Earth. Either in the mains cord, or in the unit itself. This shouldn't be hard to find with a meter. Simply isolate the cause, and repair or replace the parts as required, often these units fail in the Power Supply.
Posted on Oct 12, 2010
To find out why the fuse keeps cutting off you will need to open that up and trace down the problem with an OHM meter...
You may find a black spot where it is shorting or arcing, but if not then the circuits will have to be traced and eliminated one by one till you find the source of the problem...
It could be anything from bad wire or connection to a bad transformer..
Posted on Oct 10, 2010
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Posted on Jan 02, 2017
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