For unit SILENTHERME 41 (7350194): *For 3 phases motor, pulley and belt see motor operator  and coupler For unit SILENTHERME 42 (7350195): *For 3 phases motor, pulley and belt see motor operator  and coupler For unit SILENTHERME 43 (7350196): *For 3 phases motor, pulley and belt see motor operator  and coupler For unit SILENTHERME 45 (7350197): *For 3 phases motor, pulley and belt see motor operator  and coupler For unit SILENTHERME 46 (7350199): *For 3 phases motor, pulley and belt see motor operator  and coupler For unit SILENTHERME 47 (7350201): *For 3 phases motor, pulley and belt see motor operator  and coupler