S801U50N3S

The Eaton Cutler-Hammer S801U50N3S soft starter is a non-combination open type of soft starter that is primarily designed for the controlled starting and stopping of 3-phase industrial motors in critical applications. The S801 soft starters like the S801U50N3S soft starter are designed to be the most compact yet highly efficient soft starters in their class, making them the ideal choice for high-performance industrial applications that require smooth motor control. The S801U50N3S soft starter has a continuous current rating of 105 Amps and an input voltage range of 200 to 600 Volts AC at 47 to 63 Hertz. It has built-in overload protection that provides robust protection from over-temperature, stall, jam, and phase loss situations, and it has the ability to detect shorted SCRs and reduce unnecessary downtime. It has a standard duty output power rating of 30 Horsepower at 50 degrees Celsius, and an insulation voltage rating of up to 660 Volts AC.

The S801U50N3S soft starter features an internal bypass that allows continuous and smooth operation even after the starting algorithm stops, and it also allows for minimal heat dissipation. It features multiple start modes (the selectable kick start, current limit, and the ramp start) and 1 stop mode (soft mode). For enhanced equipment and personal safety, all S801 starters are fitted with 24 Volts DC controls. The S801U50N3S soft starter’s small size allows for easy retrofits into existing motor control enclosures, thereby mitigating the unnecessary expense of replacing existing structures. The S801U50N3S soft starter has an approximate shipping weight of 41 pounds (without the lugs), and total dimensions of 7.73 x 12.72 x 7.08 inches (height, width, and depth). It is built to efficiently operate at a temperature range of –30 to 50 degrees Celsius, and at a non-condensing relative humidity of less than 95%.