Rigger Controller in Case The new ECC SCR-4B low voltage rigger controller.This 4 channel compact B style controller comes in a handy suitcase for low voltage hoists and is capable of controlling up to 4 hoists individually or as a pair with an emergency E-stop for the low voltage circuit including a key reset. Make an Enquiry Features Features The new ECC SCR-4B low voltage rigger controller is designed to provide users with the maximum level of safety. Sturdy and rugged carry case Low voltage control Controls up to 4 hoists individually or as pairs Emergency E-Stop button Key Reset