Universal IE1 0.37kW (1/2HP) three phase 4 pole B14 Face 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 1370rpm at 230V or 400V x 50Hz 3ph.
Speed Range from an Inverter Supply: 15:1 Range from 137rpm to 2055rpm for 5Hz to 75Hz, when de-rated at the lower speeds.
Constant Power Speed Range: 1370rpm to 2055rpm continuously.
Full Load Current with links in Delta for 230V 3ph: 1.92A.
Full Load Current with links in Star for 400V 3ph: 1.11A.
Torque: 2.58Nm at 50Hz.
Efficiency: 65.00% (IE1)
Power Factor: 0.74 when mains connected at 50Hz.
Terminal box cable entry: Includes 1 x M20 gland and 1 M20 plug.
Terminal box position: Top, sides, bottom.
Enclosure rating: IP55.
Dimensions: 147mm wide x 241mm long x 191mm high overall.
Mounting: Face mount on 4 x M6 tapped holes at 85mm PCD with 70mm diameter register in the 105mm diameter flange.
Shaft: 14mm diameter, 30mm long with 5mm key.
Construction: Aluminium
Weight: 5.80kg.
Ambient Temperature: Rated to 40°C.
Ventilation space is required at rear cooling air intake.
Over-Temperature Detection: not included.
Part number: UMA 71G-4 B14 or BF31 71 M2 4 B14.
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.