2.5 Inch Diameter PMDC Motors: - PE series with fixed brushes for applications requiring 12 to 48 VDC and 0.01 up to 0.1 HP - PE series with serviceable brushes for applications requiring up to 180 VDC and 0.01 up to 0.1 HP 3-Inch Diameter PMDC Motors: - PJ series tube shell housing models with fixed brushes for applications requiring up to 48 VDC and 0.33 HP - PV series tube shell housing models with serviceable or fixed brushes for high voltage applications requiring up to 180 VDC and 0.33 HP - PF and PS series stamped steel shell housing models with fixed brushes for 12 to 48 VDC applications requiring from 0.01 to 0.33 HP - Long life, die-cast end frame PF version available 4-Inch Diameter PMDC Motors: - PR series models with fixed brushes for applications requiring 12 to 48 VDC and 0.25 to 1.0 HP