ESAB LHF 405 PIPEWELD, Service Manual

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Edition 071024
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TECHNICAL DATA
LHF 405 PIPEWELD LHF 615 PIPEWELD
Maximum load
35 % duty cycle 400 A/36 V 610 A/44 V
60 % duty cycle 310 A/33 V 450 A/38 V
100 % duty cycle 240 A/30 V 345 A/34 V
Setting range
10A/20V--400A/36V 10A/20V--630A/44(49)V
Open circuit volt.
75 V 81 V
Open circuit output
at 400 V 330 W 500 W
Power factor
(max current) 0,80 0,89
Efficiency
(max current) 70 % 74 %
Enclosure class
IP 23 IP 23
Application class
Weight
215 kg 303 kg
Dimens. lxwxh
1310/765/705 1310/765/705
Duty cycle
The duty cycle refers to the time as a percentage of a ten--minute period that you can weld at a cer-
tain load without overloading.
Enclosure class
The
IP
code indicates the enclosure class, i. e. the degree of protection against penetration by solid
objects or water. Equipment marked
IP23
is designed for indoor and outdoor use.
Application class
The symbol indicates that the power source is designed for use in areas with increased
electrical hazard.