Universal IE1 0.37kW (1/2HP) three phase 2 pole B3 Foot mounting 71 frame AC Induction Motor for 230V or 400V 3 phase supply. Suitable for use with a Variable Frequency Inverter Drive having 1ph or 3ph input and 3ph output, or a fixed frequency three phase mains supply at 50Hz.
Output: 370W (0.5HP) x 2730rpm at 230V or 400V x 50Hz 3ph.
Speed Range from an Inverter Supply: 15:1 Range from 273rpm to 4095rpm for 5Hz to 75Hz, when de-rated at the lower speeds.
Constant Power Speed Range: 2730rpm to 4095rpm continuously.
Full Load Current with links in Delta for 230V 3ph: 1.68A.
Full Load Current with links in Star for 400V 3ph: 0.97A.
Torque: 1.29Nm at 50Hz.
Efficiency: 70.00% (IE1)
Power Factor: 0.79 when mains connected at 50Hz.
Terminal box cable entry: Includes 1 x M20 gland and 1 M20 plug.
Terminal box position: Top.
Enclosure rating: IP55.
Dimensions: 147mm wide x 241mm long x 186mm high overall.
Mounting: Foot mount on 7mm holes at 112mm wide x 90mm centres 45mm back from the shaft shoulder.
Shaft: 14mm diameter, 30mm long with 5mm key.
Construction: Aluminium
Weight: 5.20kg.
Ambient Temperature: Rated to 40°C.
Ventilation space is required at rear cooling air intake.
Over-Temperature Detection: not included.
Part number: UMA 71K-2 B3 or BF31 71 M1 2 B3.
Download the Dimensions and Technical Catalogue from the link below:-
From Jan 1st 2017, three phase electric induction motors with a rated output of 0.75kW to 375kW and efficiency less than IE3 must be equipped with a variable speed drive (Inverter Drive). For exceptions, see EC Commission Regulation 640/2009.