ESAB LHF 405 PIPEWELD, Service Manual

Page: 26 / 34

Edition 071024
-- 26 --
smlhfpw2
INSTALLATION
The installation must be executed by a professional.
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.
The power supply should be lifted by means of its lifting
eye. The handle is only intended for pulling it along the
ground.
Lifting instructions
S
Check that the welding rectifier is configured for the
available mains supply
before connecting it to the mains.
S
See Connecting to mains for cable rating and fuse rating.
S
Connect the mains cable to the rectifier according to the relevant regulations and
install a suitable fuse in the main fuse box.
S
Make sure the welding rectifier is not covered or positioned so that cooling is
obstructed.
Connecting to mains
LHF 405 PIPEWELD LHF 615 PIPEWELD
Frequency
50 Hz 50 Hz
Voltage
230/400/415/500 V 230/400/415/500 V
Current at
100% duty cycle 44/25/25/20 A 59/34/34/27 A
60% duty cycle 56/32/32/26 A 78/45/45/36 A
35% duty cycle 71/41/41/33 A 103/59/59/47 A
Fuse
, slow 63/35/35/25 A 80/63/63/50 A
Cable area
(4xmm2) 10/6/6/4 25/10/10/10
LHF 405 PIPEWELD LHF 615 PIPEWELD
Frequency
60 Hz 60 Hz
Voltage
230/440/550V 230/440/550V
Current at
100% duty cycle 44/23/18 A 59/31/25 A
60% duty cycle 56/29/23 A 78/41/33 A
35% duty cycle 71/37/30 A 103/54/43 A
Fuse
, slow 63/35/25 A 80/63/50 A
Cable area
(4xmm2) 10/6/4 25/10/10