Description A.Y. McDonald Jet Pump Motor - NEMA J, 1/2-1 HP The 8100 and 8200 series jet pumps use the Nema J motor, which has a single phase,Open Drip Proof (ODP) capacitor start. Technical Details - 303 Stainless steel shaft- Shaft threads 7/16-20 UNF-2A, 0.625” Diameter, 2.57” long from face- Ball bearings (locked drive end bearing)- Continuous duty at 40ºC/104ºF Amient, 60Hz- Automatic reset thermal overload protector- Round frame (without base), Nema 56C mounting- Power leads and ground wire supplied for proper connection to the pressure switch- Voltage change device Nema J Motor For 8100 & 8200 Series Jet Pumps (Single Phase, ODP, Capacitor Start) Single Compartment Products Part No. HP RPM Frame Catalog Volt Type Service Factor SF* Amps MTR Lgth (1) Ship Wt. Factory Wired 6155-240 1/2 3500 48/56 115/230 FHP 1.6 11.2/5.6 9.0" 15 115V 6155-241 3/4 3500 48/56 230/115 FHP 1.5 7.4/14.8 9.5" 19 230V 6155-242 1 3500 48/56 230/115 FHP 1.4 8.8/17.6 10" 21 230V (1) Length not including shaft Datasheets Jet Pump Motor Spec Sheet