S801+U42N3S

The S801+U42N3S soft starter is a reduced voltage soft starter which belongs to S801 series from Eaton Corporation. Numerous features are available on S801 series starters including adjustable ramp times, soft stop control, six SCR control, programmable overload settings and optional pump control. Benefits of using starters such as the S801+U42N3S soft starter include inrush current control, water-hammer elimination and reduced wear on bearings, shaft, and gears. Current rating of the S801+U42N3S soft starter is 420 Amps. This U-frame starter weighs 18.6 kilograms and has the following dimensions: 7.16 inches height, 7.73 inches width and 12.72 inches length. There are three poles on the starter.

Range of operating voltages for the S801+U42N3S soft starter is from 200 to 600 Volts AC at 50 / 60 Hertz frequency. Ratings of three-phase motors which the starter can be used with for respective input voltages at 50 Hertz are as follows: 257 kilowatts at 440 Volts AC, 220 kilowatts at 380 to 480 Volts AC and 129 kilowatts at 230 Volts AC. To protect against electrical shock, extreme care is advised when working with high voltage / high current devices such as the S801+U42N3S soft starter. Therefore all power should be disconnected before the installation or maintenance of the starter is carried out. The instructions in the equipment manual should be read and understood to avoid unforeseen circumstances. Temperature ranges for operating and storing the S801+U42N3S soft starter are -40 to 122 and -58 to 158 degrees Fahrenheit, respectively. The relative humidity can be up to 95% (non-condensing). The maximum recommended elevation is 2000 meters.