The ABB CR101H1 Manual Motor Starter provides dependable overload protection for single-phase motors up to one horsepower. It's an economical choice when undervoltage protection isn't required. Featuring easy-to-wire box terminals and a molded plastic switch housing for mechanism protection, this compact open starter fits GEM or Handy Boxes..This is a 2-pole manual motor starter with a 16 Amp rating and a 3/4 HP capacity at 277 Volt AC. It features a toggle switch operator and NEMA 1 enclosure, designed for surface mounting. It is a non-reversing starter.