Power Supply Equipment - Panasonic YD-350GY4 Operating Instructions Manual

3.3 Power supply equipment

welding power source
Input power source
Capacity
Input protection
(Power distribution box)
Cross-section area
Of cable
*1. The listed capacities of fuses and breakers (or leakage protectors) are only for reference.
*2. When the machine is working at the places where are moist or on the iron plate or stand, please be sure to
install leakage protector.
Note:
please follow the regulations listed below to avoid any damage of parts, unstable arc and overheat or damage of
the machine.
● The fluctuation range of input: the allowable rated input voltage is 304V~ 456V.
● When the generator is used, the rated input capacity should be two times of cutting power source or higher. The
generator should be equipped with compensating coils.
● The wiring of input side: please equip each cutting power source with one fuse switch or non-fuse breaker (or
leakage breaker) of which capacity complies with the rated one of the cutting power source.
● Please select the proper breaker (or leakage breaker) which is applicable to electric distribution, such as cutting,
electric motor or transformer.
Installation and Power supply facility
Observe the following to prevent burnout, destruction of parts and unstable
arc.
Commercial power source
Engine generator
Fuse breaker
Molded case circuit breaker
(or leakage breaker)
Input power cable
Ground cable
Output power cable
YD-350GY4HJE
Three phase ,380V（415V） AC,
50 / 60 Hz (common)
20 kVA or more
Two times rated input or more
40 A
50 A
2
6 mm or more
The same as input power cable or bigger
2
50 mm or more
9
YD-500GY4HJE
35 kVA or more
63 A
80 A
2
10 mm or more
2
70 mm or more