Hazardous Location Motor Three Phase Motor Design 3-Phase 20 HP Nameplate RPM 3 530 No of Speeds 1 Voltage 208-230/460V AC Full Load Amps 46.4/23.2 A 256T Frame Usable @ 208V Yes Usable @ 200V No Hz 60 Hz Max Ambient Temp 104 Degrees F Motor Service Factor 1.15 Motor Thermal Protection T-Stat Ins. Class F Hazardous Location Class 1 C D / 2 F G Temp Code T4 Motor Enclosure Design Totally Enclosed Fan-Cooled Duty Cycle Continuous Motor Mounting Type Rigid Base