The drives, rated for 12/24-Vac or 120/240-Vac input and 2 to 4-A dc current, come in two compact panel-mount versions or a NEMA-4/12 enclosed model with an ac-line fuse and power on/off switch.

Dart Controls Inc., Box 10, 5000 W. 106th St., Zionsville, IN 46077, (317) 873-5211, dartcontrols.com