WEG W21 Aluminium Premium Efficiency (IE3) 1.5kW 2 Pole 3 phase AC Motor.
90S/L Frame, B3 Foot Mount with top mounted terminal box.
Power: 1.5kW at 230V or 400V 50Hz.
Speed: 2900rpm at 50Hz.
Torque: 4.98Nm at 50Hz.
Full Load Current with links in DELTA (230V 3ph): 5.46A
Full Load Current with links in STAR (400V 3ph): 3.14A.
Power Factor: 0.82 when mains connected at 50Hz.
Efficiency: 84.2% (IE3) at 50Hz.
For use with Variable Frequency Drives or a fixed frequency 400V three phase mains supply at 50Hz.
AC Inverter Maximum Speed: 90Hz, 5220rpm. Reduced Torque rating from 50Hz to 90Hz.
AC Inverter Minimum Speed: 5Hz, 290rpm. Reduced Torque rating from 25Hz to 5Hz if continually operated in this speed range.
Performance details of the motor with an AC Inverter are given in the datasheet below.
Set terminal box links 'three a-breast' for 230V 'Delta' connection. Delta connection is required when using a single phase 230V AC Inverter.
Set terminal box links ‘two at one side’ for 400V 'Star' connection. Star connection is required when using a 400V three phase AC Inverter or when connected directly to a 400V three phase mains supply
IP55 TEFC (Totally Enclosed Fan Cooled) IC411. (Fan will rotate the same speed as the motor shaft)
179mm Wide x 329mm Long x 233mm High. (Overall dimensions including shaft)
Foot mount on 10mm holes with 140mm wide x 100mm/125mm centres 56mm back from shaft shoulder.
Shaft: 24mm diameter x 50mm long.
Motor Housing: Aluminium.
Weight: 18.5kg.
Rated at 40C Ambient. (Ventilation space required for air intake)
Thermistors: Not Fitted
Bearings: Ball Bearings. Type: 6205 ZZ(Drive End). 6204 ZZ(NDE)
Extended Warranty Available: When purchased with a WEG AC Inverter (see linked products below) the warranty for the motor and the AC Inverter can be extended to 3 years. Terms and Conditions apply, registration process is required.
Part number: 12397771
Drawing and data sheet downloads:
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.