Panasonic YD-500KR Operating Instructions Manual page 10

Caution
For safe use and operation, observe the following. Otherwise, the parts may he broken, arc
may become unstable, or devices may be burnt out.

Fluctuation of the supply voltage An allowable range is a rated input voltage±10%.
 When using the engine generator: use the generator which has a capacity twice larger
 Wiring on the input side: Attach a switch with fuse of specified capacity or no-fuse

When using the no-fuse breaker or leakage breaker, select those for the welding machine
or motor or transformer.
 This machine has input power frequency select switch. Please confirm the correct position
of the switch. (Refer to Pages 27,28 and 30)

This machine should be used in combination with the specified wire feeder.
than the rated input of the welding source and is
provided with compensating winding.
Breaker (or leakage breaker) to the switch box for each
welding source.
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