315.4 Limitation In UseThe BC140 / BC140-FBR control is designed for use on machine applications.WARNING! DO NOT SWITCH THE ARMATURE IN AND OUT OF CIRCUIT ORCATASTROPHIC FAILURE WILL RESULT. IF ARMATURE SWITCHING ISREQUIRED, USE BC144 FORWARD-BRAKE-REVERSE SWITCH KIT.CAUTION! Contact your local Baldor District Office before using this control on constanthorsepower applications such as saws and drill presses. Do not use thiscontrol in an explosive atmosphere. Be sure the BC140 / BC140-FBR is usedwithin its ratings. Follow all instructions carefully.