Universal IE2 1.1kW (1 ½HP) three phase 4 pole B3 Foot mounting 90S 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. Not permitted for use without an Inverter Drive.
Output: 1.1kW (1.5HP) x 1420rpm at 230V or 400V x 50Hz 3ph.
Speed Range from an Inverter Supply: 15:1 Range from 142rpm to 2130rpm for 5Hz to 75Hz, when de-rated at the lower speeds.
Constant Power Speed Range: 1420rpm to 2130rpm continuously.
Full Load Current with links in Delta for 230V 3ph: 4.33A.
Full Load Current with links in Star for 400V 3ph: 2.50A.
Torque: 7.40Nm at 50Hz.
Efficiency: 81.40% (IE2)
Power Factor: 0.78 when mains connected at 50Hz.
Terminal box cable entry: Includes 1 x M25 gland and 1 x M25 plug.
Terminal box position: Top, sides.
Enclosure rating: IP55.
Dimensions: 183mm wide x 312mm long x 229mm high overall.
Mounting: Foot mount on 10mm holes at 140mm wide x 100mm centres 56mm back from the shaft shoulder.
Shaft: 24mm diameter, 50mm long with 8mm key.
Construction: Aluminium
Weight: 14.50kg.
Ambient Temperature: Rated to 40°C.
Ventilation space is required at rear cooling air intake.
Over-Temperature Detection: not included.
Part number: UMHA 90S-4 B3 or HE31 90 S1 4 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.