Kadee HOn3 708 Electric Thru-The-Track Delayed-Action Uncoupler Kit

This package contains one HoN3 electro-magnetic, delayed-action coupler in kit form; ready to assemble and install through a hole in the track. It can be installed on any straight layout track, but especially on mainlines where false uncoupling may occur
Electrically Activated Uncoupler
Requires an opening to be cut below the track and the use of a momentary switch. Ideal for use on mainlines.
Fits codes 70, 66, 55 and other size track down to code 40.