Welding And Earth Cables; Mounting Of Power Unit To Transport Carriage - Kemppi master 5001 Operation Instructions Manual

Sizes of the mains cables and fuseratings for the machine at 100 % dury cycle are specified in the
table below:
Rated voltage
Mains voltage range
Fuses, delayed
Connection cable mm²
In cables of S type there is a protective grounding conductor coloured green-yellow.

2.4. WELDING AND EARTH CABLES

Use only copper cables with cross-sectional area of at least 50 ...95 mm².
In enclosed table are shown typical load capacities of rubber insulated copper cables, when ambient
temperature is 25ºC and lead temperature is 85 ºC.
Cable Duty cycled ed
100%
50mm² 285 A
70 mm² 355 A
95 mm² 430 A
Do not overload welding cables due to voltage losses and heating.
Fasten the earthing press of the return current cable carefully, preferably direct onto the piece to
be welded. The contact surface of the press should always be as large as possible.
Clean the fastening surface from paint and rust.

2.5. MOUNTING OF POWER UNIT TO TRANSPORT CARRIAGE

Read mounting instructions for Master 5001 power source delivered with carriage T12. Fasten
power source carefully of that the equipment should withstand lifting with lifting device.
©
KEMPPI OY
Master 5001
3~ 400 V
400 V ± 10 %
35 A
4 x 6,0 S
Voltage loss /10 m
60% 30%
370 A 520 A 0,35 V/ 100 A
460 A 650 A 0,25 V/ 100 A
560 A 790 A 0,18 V/ 100 A
MASTER 5001/0541 – 7