WEG W22 Cast Iron Premium Efficiency (IE3) 7.5kW 8 Pole 3 phase AC Motor.
160L Frame, B5 Flange Mount with top mounted terminal box.
Power: 7.5kW at 400V or 690V 50Hz.
Speed: 731rpm at 50Hz.
Torque: 98Nm at 50Hz.
Full Load Current with links in DELTA (400V 3ph): 18A
Full Load Current with links in STAR (690V 3ph): 10.4A.
Power Factor: 0.68 when mains connected at 50Hz.
Efficiency: 88.4% (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, 1315.8rpm. Reduced Torque rating from 50Hz to 90Hz.
AC Inverter Minimum Speed: 5Hz, 73 rpm. 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)
329mm Wide x 642mm Long x 441mm High. (Overall dimensions including shaft)
Flange mount on 4 x 19mm holes spaced on 300mm PCD with 250mm diameter spigot in the 350mm diameter flange
Shaft: 42mm diameter x 110mm long.
Motor Housing: Cast Iron.
Weight: 157kg.
Rated at 40C Ambient. (Ventilation space required for air intake)
Thermistors: 1 per phase
Bearings: Ball Bearings. Type: 6309 C3(Drive End). 6209 Z C3(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: 12863316
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.