Weiro ARC-400, Руководство по эксплуатации

Страница: 10 / 20

ARC-E 400
9
1.3 Power Source Connections
Warning
Thermal Arc advises that this equipment be electrically connected by a qualified electrician.
ELECTRIC SHOCK can kill; SIGNIFICANT DC VOLTAGE is present after removal of
input power.
DO NOT TOUCH live electrical parts.

SHUT DOWN welding power source, disconnect input power employing lockout/tagging
procedures.

Lockout/tagging procedures consist of padlocking line disconnect switch in open position.

Removing fuses from fuse box, or shutting off and red-tagging circuit breaker or other
disconnecting device.
1.4
．
Power Supply Requirements

Input volt must be standard sine wave, effective value 380V, 50Hz.

Unbalance degree of 3- phase volt must be no more than 5%.

Power supply:
Product model ARC315E ARC400E ARC500E
Power supply 3 phase AC 380V
Min. power capacity 21KVA 28KVA 38KVA
Input protection
Fuse 40A 50A 63A
Breaker 63A 63A 100A
Min. Cable size
Input side 2.5mm
2
2.5mm
2
4mm
2
Output side 35mm
2
50mm
2
70mm
2
Earth lead 2.5mm
2
2.5mm
2
4mm
2
Table 4: Power supply connection
Note: The size of fuse and breaker in the table are for reference only.