lotos supreme ltp5500d non-touch pilot arc plasma cutter, dual voltage 110v/220v, 3/5 inch clean cut, brown (55amp digital) lotos <b>about lotos technology</b><br> headquartered in sunnyvale, california, lotos technology supplies quality welding and cutting tools to small businesses and do-it-yourself (diy) buyers.<br> <b>lotos no-hf plasma cutter</b><br> the new, redesigned lotos no-hf cut series is a non-high frequency start machine. <br> the “blow-back” type start that is used is generally safe for use withtout interference and is ideal for general use. <br> blow-back type start involves a rearward movement of the electrode within the torch head when forced by the air pressure. when air pressure is applied the movement of the electrode off its seated position against the inner surface of the circuit grounded nozzle creates a spark, energizing the plasma stream. <br> with this machine’s start type and pilot arc design, you are able to cut on any metal surface without having to contact to strike an arc which is ideal for cutting items like expanded metal or uneven surfaces. this plasma cutting machine has a wide range of uses which is suitable for cutting: stainless steel, alloy steel, mild steel, copper and other color metal materials.<br> <b>there are several other key features on the supreme cut series: </b></br> <ul><li>the non-hf start pilot arc torch with a euro-type central connector offering improved consumable life with a patented “back striking” design.</li> <li>2t/4t function enabled. </li> <li>latest igbt inverter technology</li> <li>the pre-installed npt 1/4” industry type d plug and air filter regulator allows you to quick connect to your air compressor by using the stand coupler existing on your air compressor. </li></ul>