710-110 3HP 3PH 460V combination sander magnetic switch is for the S612 and S612V 6 x 48 belt and 12 inch disc sander.
Coil voltage: 460V
O-L relay 3.8-5A
Contact: 3P
291-018 INDUSTRIAL BELT SANDER AND BELT GRINDER FRAME
291-018 industrial belt sander and belt grinder frame that's manufactured out of cast iron. The cast iron frame is used on 4 x 60 inch sanders, 3 x 90, 4 x 90 and 6 x 90 inch grinders.