ESAB LHF 800 - 5 INSTALLATION; 5.1 Connecting to mains

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bh10d13e
5 INSTALLATION
The installatio n 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.
S Installation must be carried out by a qualified electrician.
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.
5.1 Connecting to mains
LHF 250 LHF 400 LHF 630 LHF 800
Frequency 50 Hz 50 Hz 50 Hz 50 Hz
Voltage 400/415/500 V 400/415/500 V 400/415/500 V 400/415/500 V
Current at
100% duty cycle
11/11/9A 19/19/16 A 38/38/30 A 49/49/40 A
60% duty cycle 14/14/11 A 24/24/20 A 47/47/38 A 62/60/50A
35% duty cycle 18/18/14 A 31/31/25 A 59/59/47A 79/79/63A
Fuse,slow 16/16/16 A 25/25/20 A 50/50/35 A 63/63/50A
Cable area (4xmm2) 1,5/1,5/1,5 4/4/2,5 10/10/6 10/10/10
LHF 250 LHF 400 LHF 630 LHF 800
Frequency 60 Hz 60 Hz 60 Hz 60 Hz
Voltage 440/550V 440/550V 440/550V 440/550V
Current at
100% duty cycle
11/9 A 19/16 A 38/30 A 49/40 A
60% duty cycle 14/11 A 24/20 A 47/38 A 62/50 A
35% duty cycle 18/14 A 31/25 A 59/47 A 79/63 A
Fuse,slow 16/16 A 25/20 A 50/35 A 63/50 A
Cable area (4xmm2) 1,5/1,5 4/2,5 10/6 10/10
Cable areas comply with Swedish regulations.
GB