Universal IE1 0.25kW (1/3HP) three phase 4 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: 250W (0.33HP) x 1350rpm at 230V or 400V x 50Hz 3ph.
Speed Range from an Inverter Supply: 15:1 Range from 135rpm to 2025rpm for 5Hz to 75Hz, when de-rated at the lower speeds.
Constant Power Speed Range: 1350rpm to 2025rpm continuously.
Full Load Current with links in Delta for 230V 3ph: 1.45A.
Full Load Current with links in Star for 400V 3ph: 0.84A.
Torque: 1.77Nm at 50Hz.
Efficiency: 60.00% (IE1)
Power Factor: 0.72 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: 5.00kg.
Ambient Temperature: Rated to 40°C.
Ventilation space is required at rear cooling air intake.
Over-Temperature Detection: not included.
Part number: UMA 71K-4 B3 or BF31 71 M1 4 B3.
Download the Dimensions and Technical Catalogue from the link below:-