WEG W22 Cast Iron Premium Efficiency (IE3) 7.5kW 4 Pole 3 phase AC Motor.
132M Frame, B35 Foot and Flange Mount with top mounted terminal box.
Power: 7.5kW at 400V or 690V 50Hz.
Speed: 1460rpm at 50Hz.
Torque: 49.1Nm at 50Hz.
Full Load Current with links in DELTA (400V 3ph): 14.2A
Full Load Current with links in STAR (690V 3ph): 8.23A.
Power Factor: 0.84 when mains connected at 50Hz.
Efficiency: 90.6% (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, 2628rpm. Reduced Torque rating from 50Hz to 90Hz.
AC Inverter Minimum Speed: 5Hz, 146rpm. 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 400V 'Delta' connection. Delta connection is required when using a 400V three phase AC Inverter or when connected directly to a 400V three phase mains supply.
Set terminal box links ‘two at one side’ for 690V 'Star' connection.
IP55 TEFC (Totally Enclosed Fan Cooled) IC411. (Fan will rotate the same speed as the motor shaft)
300mm Wide x 489mm Long x 352mm High. (Overall dimensions including shaft)
Foot mount on 12mm holes with 216mm wide x 178mm centres 89mm back from shaft shoulder. Flange mount on 4 x 15mm holes spaced on 265mm PCD with 230mm diameter spigot in the 300mm diameter flange.
Shaft: 38mm diameter x 80mm long.
Motor Housing: Cast Iron.
Weight: 79kg.
Rated at 40C Ambient. (Ventilation space required for air intake)
Thermistors: Not Fitted
Bearings: Ball Bearings. Type: 6308 ZZ(Drive End). 6207 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: 12891637
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.