This motor used in air cooler to drive the blower, it have three leg.
IP22 enclosure
Class B insulation
Corrosion resistant
High quality lamination steel giving very low iron losses
High quality magnet wire
Vacuum varnish impregnation for superior tropic proof insulation
Industrial type service factors
Rolled steel motor body
Aluminum drive and non-drive ends
Thermal overload protection
Long life capacitors