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PSE Soft Starter The PSE softstarter range is the world’s first compact softstarters with Torque Control. This makes the PSE range an excellent choice for pumping application where water hammering normally is a big problem. With its compact design and advanced functionality, the PSE is also a very efficient solution for other common applications such as compressors and fans. Wide rated operational voltage 208 – 600 Vac Wide rated control supply voltage 100 – 250 V, 50/60 Hz Rated operational current 18 to 370 A Wide ambient temperature range, -25 to +60 ºC Coated circuit boards for reliable operation in harsh environment Built-in by-pass on all sizes, saving energy and reducing installation time User friendly HMI with illuminated language neutral display and four button keypad Torque control for excellent control of pumps Current limit, adjustable between 1.5 – 7 x Ie Motor overload protection with classes 10A, 10, 20 and 30 Motor underload protection to detect pumps running dry Locked rotor protection, detecting jammed pumps Kick start to start jammed pumps or conveyor belts Sophisticated algorithm eliminating the DC-component and there by providing excellent starting performance