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Output amperage against the thickness being cut, then air supply, then voltage. The range runs 25A to 80A, and a machine pushed past its rating cuts slowly and leaves dross to dress off.

Only if the machine does not have one. Several cutters here carry an integral compressor and need only a socket. The rest need shop air at the pressure stated on the listing, from 43 to 87psi on the lines that quote it.

Because plasma needs a steady flow of dry air to form and hold the arc. A machine starved of air, or fed wet air, cuts badly and eats consumables whatever its amperage rating says.

It strikes the arc without touching the tip to the work. That keeps the consumable alive longer and makes starting easier on a rusty or painted surface. Draper hold high frequency machines at 40A and 60A.

The larger SIP HG bodies run at 400V. The rest of the range is 230V. As with any three phase machine, the supply has to exist in the building before the cutter is chosen.

Output current, duty cycle and the required air pressure are given per machine, which is what lets a cutter be matched to both the work and the air supply before it is bought.

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Output amperage sets the thickness a plasma cutter will sever cleanly, and clean is the word that matters. A machine pushed beyond its rating will still cut, but slowly and with dross that has to be dressed off afterwards. The range here runs 25A at the light end through 40A, 50A, 55A, 70A and 80A.

Air supply is the decision that catches people out. Plasma needs a steady flow of dry air at a stated pressure, and a machine starved of it cuts badly whatever its amperage. Some cutters here carry an integral compressor and need nothing but a socket. The rest need shop air, and the required pressure is stated per machine at 43 to 87psi on the lines that quote it. SIP hold WELDMATE PRO inverter bodies at 40A, 55A and 80A with the HG ladder above them.

Supply voltage runs 230V through most of the range with the larger SIP HG bodies at 400V. As with any three phase machine, the supply has to exist before the cutter is chosen. Duty cycle is quoted on seven of the eighteen lines and is read the same way as on a welder: how much of a ten minute period the machine will cut at rated output. A cutter running at 400V also draws less current for the same output, which matters on a shared supply.

High frequency starting strikes the arc without touching the tip to the work, which keeps the consumable alive longer and makes starting on a rusty surface easier. Draper hold high frequency machines at 40A and 60A. Tips and electrodes are the consumable and wear with use. Questions go over WhatsApp on 07754288583 with the material thickness. Clarke Plasma King and CrosArc inverter cutters cover the same span with different starting arrangements.

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FAQs

Output amperage against the thickness being cut, then air supply, then voltage. The range runs 25A to 80A, and a machine pushed past its rating cuts slowly and leaves dross to dress off.

Only if the machine does not have one. Several cutters here carry an integral compressor and need only a socket. The rest need shop air at the pressure stated on the listing, from 43 to 87psi on the lines that quote it.

Because plasma needs a steady flow of dry air to form and hold the arc. A machine starved of air, or fed wet air, cuts badly and eats consumables whatever its amperage rating says.

It strikes the arc without touching the tip to the work. That keeps the consumable alive longer and makes starting easier on a rusty or painted surface. Draper hold high frequency machines at 40A and 60A.

The larger SIP HG bodies run at 400V. The rest of the range is 230V. As with any three phase machine, the supply has to exist in the building before the cutter is chosen.

Output current, duty cycle and the required air pressure are given per machine, which is what lets a cutter be matched to both the work and the air supply before it is bought.

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