EX-TRAFIRE
®
100SD
Operator Manual, Revision T-5 3-19
Power supply location
Place the plasma arc power supply EX-TRAFIRE
®
100SD on a flat even surface with a minimum
distance of 0�5 m of clear space all round to ensure good ventilation�
Mains power connection
The EX-TRAFIRE
®
100SD plasma arc power supply requires a 400 VAC ±15% three-phases mains
power source� Use a circuit breaker for power line input so that the operator can turn off the power
supply quickly in an emergency� Locate the switch so that it is easily accessible to the operator� The
interrupt level of the switch must be equal to or exceed the continuous rating of the fuses� Use slow
blow fuses with a suitable capacity in accordance with local and national electrical codes�
Connecting to an engine drive power generator
When using an engine drive generator to power the EX-TRAFIRE
®
100SD:
• Engine drive operation;
1� Set engine drive output to three-phases AC�
2� Plug the EX-TRAFIRE
®
100SD mains power lead in to the power outlet�
3� Hard wire connection (No plug fitted) should be performed by a certified electrician�
4� Set the engine drive to maximum output (see chart below)�
5� For optimum performance, do not share the engine drive with other equipment such as
welding plant, lighting systems or angle grinders�
Three-phases, 50/60 Hz, 400 VAC ±15%
Engine drive rating Current output EX-TRAFIRE 100SD Performance
25 kW 100 A Full arc stretch
22�5 kW 100 A Limited arc stretch
Grounding
To reduce electromagnetic interference (EMI) and to ensure personal safety and correct operation,
the EX-TRAFIRE
®
100SD must be properly grounded through the mains power lead in accordance
with local and national electrical codes of practice� The three-phases service must be of the 4-wire
type with a protective green-yellow wire for protective earth ground and must comply with national
and local electrical codes of practice�
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