NEMA 4/12 control panel dust tight and waterproof; The control panel is neatly organized eliminating time otherwise lost searching for wires; The control panel is UL508A approved; Superior Electrical/Electronic Design including Allen Bradley MicroLogix PLC and AC drives; Easy to understand alarm signalization; All motors, proximity sensors, photoeyes and other sensors have quick disconnect cables that simplify installation and maintenance; Photoeyes are maintenance free and protected; All Wulftec structures are made of heavy-duty steel for rugged performance, even in the harshest work environments. They’re built to last forever; Dual chain driven for balanced movement & no vibration; Quick and easy adjustment of upper and lower carriage travel; The “Maintenance Free” spring loaded carriage gate equipped with spring loaded rollers, ensures optimal contact with the stretch film year after year, without involving maintenance; Preset pre-stretch ratios are available from 50-300%.