OTC Welbee M350 II, Руководство пользователя

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This chapter explains the necessary equipment, installation environment and transportation method for installing the
welding power source.
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This section explains the necessary power supply equipment for installing the welding power source and equipment for
preventing lack of oxygen and dust hazard during welding.
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For installing the welding power source, power source equipment and protective device that meet the following ratings
are required.
• When the welding power source is used in a humid environment such as construction
site, or location with highly conducting material such as steel plate or on steel structure,
install a leakage breaker.
Otherwise, electric shock due to leakage of electricity may occur.
• Be sure to install a switch with fuse or a circuit breaker to the input side of each welding
power source.
Otherwise, electric shock and fire due to overcurrent or damage to the welding power
source may occur.
Equipment Rating
Welding power source
equipment
Supply voltage
WB-M352 Three phase/Single phase: 208/230/460 V±10%
WB-M502 460 V±10%
Installed capacity
WB-M352
Three phase: 16 kVA or more
Single phase: 12 kVA or more
WB-M502 26 kVA or more
Protective device
Switch with fuse
Switch capacity
WB-M352
Three phase: 60 A or more for 208/230 V
30 A or more for 460 V
Single phase: 70 A or more for 208/230 V
40 A or more for 460 V
WB-M502 50 A or more
Fuse
WB-M352
Three phase: 60 A for 208/230 V
30 A for 460 V
Single phase: 70 A for 208/230 V
40 A for 460 V
WB-M502
50 A
No-fuse breaker
(or leakage breaker) (*1)
WB-M352 Three phase/Single phase: 75 A
WB-M502 50 A
*1: High sensitivity type leakage breaker is recommended for installing a leakage breaker. (Consult the breaker manufacturer for
details)