GB
Valid for serial no. 145-xxx-xxxx0463 277 001 GB 20121125
PowerCut™ 400
PT-39
Instruction manual
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TOCe
Rights reserved to alter specifications without notice.
APPLICATIONS 24.......................................................
1 SAFETY 6...........................................................
2 INTRODUCTION 8...................................................
2.1 Equipment 8................................................................
3 TECHNICAL DATA 8.................................................
4 INSTALLATION 9....................................................
4.1 Delivery check and location 10.................................................
4.2 Primary power supply 11......................................................
4.3 Input air connection 12........................................................
4.4 Connection for return cable 12.................................................
4.5 Connection of torch 13........................................................
5 OPERATION 14.......................................................
5.1 Connections 14..............................................................
5.2 Control devices 15...........................................................
5.2.1 Symbol key 16..........................................................
5.3 Installing consumables for the torch 17..........................................
5.4 Cutting 18...................................................................
6 MAINTENANCE 19....................................................
6.1 Inspection and cleaning 20....................................................
7 TROUBLESHOOTING 20..............................................
7.1 Troubleshooting guide 21......................................................
8 ORDERING SPARE PARTS 23.........................................
DIAGRAM 24............................................................
WEAR PARTS 27........................................................
ORDER NUMBER 28.....................................................
© ESAB AB 2012
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1 SAFETY
Users of ESAB equipment have the ultimate responsibility for ensuring that anyone who works on or
near the equipment observes all the relevant safety precautions. Safety precautions must meet the
requirements that apply to this type of equipment. The following recommendations should be
observed in addition to the standard regulations that apply to the workplace.
All work must be carried out by trained personnel well-acquainted with the operation of the
equipment. Incorrect operation of the equipment may lead to hazardous situations which can result
in injury to the operator and damage to the equipment.
1. Anyone who uses the equipment must be familiar with:
S its operation
S location of emergency stops
S its function
S relevant safety precautions
S welding and cutting
2. The operator must ensure that:
S no unauthorised person is stationed within the working area of the equipment when it is
started up.
S no-one is unprotected when the arc is struck
3. The workplace must:
S be suitable for the purpose
S be free from drafts
4. Personal safety equipment
S Always wear recommended personal safety equipment, such as safety glasses, flame-proof
clothing, safety gloves.
S Do not wear loose-fitting items, such as scarves, bracelets, rings, etc., which could become
trapped or cause burns.
5. General precautions
S Make sure the return cable is connected securely.
S Work on high voltage equipment may only be carried out by a qualified electrician.
S Appropriate fire extinquishing equipment must be clearly marked and close at hand.
S Lubrication and maintenance must not be carried out on the equipment during operation.
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WARNING
Read and understand the instruction manual before installing or operating.
Arc welding and cutting can be injurious to yourself and others. Take precautions when welding and
cutting. Ask for your employer's safety practices which should be based on manufacturers' hazard
data.
ELECTRIC SHOCK - Can kill
S Install and earth the unit in accordance with applicable standards.
S Do not touch live electrical parts or electrodes with bare skin, wet gloves or wet clothing.
S Insulate yourself from earth and the workpiece.
S Ensure your working stance is safe.
FUMES AND GASES - Can be dangerous to health
S Keep your head out of the fumes.
S Use ventilation, extraction at the arc, or both, to take fumes and gases away from your breathing zone
and the general area.
ARC RAYS - Can injure eyes and burn skin.
S Protect your eyes and body. Use the correct welding screen and filter lens and wear protective
clothing.
S Protect bystanders with suitable screens or curtains.
FIRE HAZARD
S Sparks (spatter) can cause fire. Make sure therefore that there are no inflammable materials nearby.
NOISE - Excessive noise can damage hearing
S Protect your ears. Use earmuffs or other hearing protection.
S Warn bystanders of the risk.
MALFUNCTION - Call for expert assistance in the event of malfunction.
PROTECT YOURSELF AND OTHERS!
WARNING
Do not use the power source for thawing frozen pipes.
CAUTION
Class A equipment is not intended for use in residential locations where
the electrical power is provided by the public low-voltage supply system.
There may be potential difficulties in ensuring electromagnetic
compatibility of class A equipment in those locations, due to conducted
as well as radiated disturbances.
CAUTION
This product is solely intended for plasma cutting.
CAUTION
Read and understand the instruction manual before
installing or operating.
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Dispose of electronic equipment at the recycling facility!
In observance of European Directive 2002/96/EC on Waste Electrical and Electronic
Equipment and its implementation in accordance with national law, electrical and/or
electronic equipment that has reached the end of its life must be disposed of at a
recycling facility.
As the person responsible for the equipment, it is your responsibility to obtain
information on approved collection stations.
For further information contact the nearest ESAB dealer.
ESAB can provide you with all necessary cutting protection and accessories.
2 INTRODUCTION
The PowerCut 400 is a complete system for manual plasma cutting. It delivers
cutting power for severing materials up to 13 mm thickness.
2.1 Equipment
The power source is supplied with:
S power cable, 3 m
S instruction manual
S return cable with clamp
S plasma cutting torch PT-39, 4.6 m, supplied as indicated on page 28
S wear part kit for PT-39.
3 TECHNICAL DATA
PowerCut 400
Mains voltage range 90 - 280 V , 1 ~, 50/60 Hz
Setting range, rated value 110 V: 15 – 25 A
230 V: 15 – 30 A
Permitted load
25 % duty cycle 110 V
60 % duty cycle 110 V
20 % duty cycle 230V
60 % duty cycle 230 V
25 A
19 A
30 A
18 A
Power factor at maximum current 0.99
Efficiency at maximum current 75 %
Open-circuit voltage U
0
250 V
Operating temperature -10 to 40 °C
Transportation temperature -20 to 55 °C
Sound pressure at no load < 43 db (A)
Nominal flow rate 189 l/min at 4.8 bar
Dimensions, l x w x h 465 x 160 x 340 mm
Weight including torch and return cable 14.5 kg
Insulation class transformer H
Enclosure class IP 23
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Duty cycle
The duty cycle refers to the time as a percentage of a ten-minute period that you can weld or cut at
a certain load without overloading. The duty cycle is valid for 40°C.
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.
4 INSTALLATION
The installation must be carried out by a professional.
Correct installation is very important for trouble-free operation and good cutting
results. Carefully read and follow each step in this chapter.
WARNING
ELECTRIC SHOCKS CAN KILL Take precautionary measures against electric
shocks. Ensure that all power supplies are disconnected – switch off the switch at
the wall socket and pull out the equipment's power cable from the socket before
making any electrical connections in the power source.
WARNING
It is very important that the chassis is connected to the approved electric protective
earth, to prevent electric shocks and electrical accidents. Ensure that protective
earth is not connected to any phase conductors by mistake.
WARNING
Poor connections or failure to connect the return cable to the workpiece can result
in fatal electric shock.
WARNING
Air filter devices may not be used – installation or mounting of any form of air filter
device obstructs the cold air flow and causes a risk of overheating. The warranty is
invalidated if any type of air filter is used.
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