Specification of

Mechanical Design

Type: Squirrel Cage Induction Motor
Frame Size: 80M to 355C

Enclosure: Totally Enclosed Fan Cooled (TEFC), Totally Enclosed Non Ventilated (TENV)
 
Standards

IEC 60072-1 Dimensions and output series for rotating electrical machines - Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080.

Ingress Protection

Stock motors are design to meet Ingress Protection of IP55, other special requirement please refer to TECO.

Drive Method

Stock motors are design for both Direct Coupling and Belt Drive use from frame size 80M to 250M. However, for 2 Pole Motor design for both Direct coupling and Belt drive is from Frame size 80M to 200L only. For belt drive application for other frame size, please refer to TECO.

Bearings

High Quality Deep Groove Ball Sealed Bearings are use for our stock motor from frame size 80 to 225M and Vacuum De-Gassed High Quality Deep Groove Ball Open Bearings are use for stock motor from frame Size 250M to 355C. Any special bearings, please refer to TECO.

Lubrication

Both our sealed and open type bearing are grease lubricated.

Connection Diagram

Direct-On-Line
For motor rating 2.2kW and below:
Low Voltage: 220~240V

High Voltage: 380~415V

For motor rating 3kW and above:
Low Voltage: 380~415V

Star-Delta
Connect U1,V1,W1,U2,V2 & W2 to Star-Delta starter panel.

Power Supply Voltage(L1,L2,L3) to be connected to voltage indicated in Delta configuration column on the motor nameplate.

Construction

Frame: High Grade Cast Iron
End Bracket: High Grade Cast Iron
External Fan: Polypropylene
Fan Cover: Pressed Steel
Shaft: Carbon Steel
Lead: 6 Leads

Iron Core: High Grade, Insulated, Cold Rolled,

Electro Magnetic Steel Plate

Terminal Box

Stock motor are fitted with pressed steel T-Box for Frame 80M to 180M and Cast Iron T-Box for frame 200L to 355M. T-Box are designed for provision of rotation by 90º to every direction that enable cable entry from 4

directions.

Finishing

Stock motor are completed with Phenolic Rust Proof Base Plus Lacquer Surface Finished Painting as standard: Gray Color ( Munsell 7.5B 3.5/0.5 ) (IE 1) Blue Color ( Munsell 5PB 3/8 ) (IE 2)

Green Color ( Munsell 7.5GY 4.5/3.5 ) (IE 3) Any other colour finishing, please refer to TECO.

Lifting Device
All motor from Frame Size 90 and above comes with dual eye bolt for lifting purposes.
Special Enhancement

The following enhancement are also available.
Please refer to TECO.

•    IP 56
•    Class ‘H’ Insulation
•    Inverter Duty Wire
•    Special Paint Finishes
•    Special Shaft Extensions
•    Dual Speed
•    Smoke Spill Duty
•    Stainless Steel Hardware
•    Conversion of sealed bearing to open bearing

Optional Accessories

Thermal Protection Accessories

PTC Thermistors
Resistance Temperature Detectors (RTD)

Thermostat

Moisture Protection Accessories

Space Heater