60 minutes without hold •15A per pole; 120/240V; DPST, •1/4" Tabs, •Size: ~ 1.968" x 1.791" x 1.145" DP., •Shaft:.250" dia. x .787 lg; "D" Flat, Fits: 60 Mintue Ultrasonic Cleaner Model(s) This Part Fits: Henry Schein Dental, L & R, Ney (Dentsply), Patterson Dental