Connecting to supply
230V,60Hz
230V,50Hz
400V,50Hz
440V,60Hz
500V,50Hz
550V,60Hz
fig.1
bt10d001
-- 38 --
bt10d12e
4
INSTALLATION
WARNING
This product is intended for industrial use. In a domestic environment this
product may cause radio interference. It is the user’s responsibility to take
adequate precautions.
DTB 250 can be configured for the following supply voltages:
230/400 and 500 V, 50 Hz
230/440 and 550 V, 60 Hz
1. Check that the welding power source is configured for the available supply
voltage. See the wiring instructions. The voltage is set at terminal block XT1.
2. For mains cable rating and fuse ratings, see Connecting to supply.
3. For manual metal arc welding (MMA) connect the welding cable and return cable
to the + and -- terminals to provide the electrode polarity required.
4. For TIG welding, connect the torch to the central socket.
5. Connect the return cable to the OKC terminal .
6. Connect the gas and adjust to the desired flow rate.
7. If required, connect the water--cooling unit. Connect the cable to terminal block
XT5.
4.1
Connecting to supply
DTB 250
60Hz
50Hz
50Hz
60Hz
50Hz
60Hz
Voltage (V)
1x230
1x230
1x400
1x440
1x500
1x550
Primary current (A) 62
68
43
40
34
33
Fuse, slow (A)
50
50
25
25
20
25
Cable (mm
2
)
10
10
4
4
4
4
Fuse, fast (A)
63
63
35
35
25
35
Cable (mm
2
)
16
16
6
6
6
6
Mains cable rating in accordance with Swedish regulations.
4.2
Wiring instructions
DTB 250 is wired up for 400 V on
delivery, unless stated otherwise. If
any other voltage is used the
transformer must be reconnected as
shown in fig. 1.
Instructions are given alongside the
terminal block.
GB
