From the Manufacturer
The JET Motorized Trolleys are designed to give you single control convenience and can be used on the JET 3 phase single speed or dual speed hoists. All are 230/460 Volt, pre-wired 230 volt. Features are a solenoid brake, can mount on various sized beams, Lug mount and have a powder coat finish. These trolleys will require a 24 Volt 4 or 6 button push button control pendent as one is not included.
Product Description
Designed for single-control convenience when fitted with a Jet 4-station push-button control (required; sold separately).