W21 – Cast Iron Frame – MEPS South Korea

Mandatory efficiency grade label

Korea has introduced a mandatory Minimum Energy Performance Standard (MEPS) scheme for low voltage motors. The MEPS scheme applies to 2-, 4-, 6- and 8-pole motors in the 0.75-200 kW range, up to 600V 60Hz. The following types of motors are excluded: hazardous area, TEAO and TENV, smoke extraction, marine and 2-speed motors, and motors with sleeve or thrust bearings.

TEAO = Totally Enclosed Air Over, rated TENV = Totally Enclosed Not Ventilated

In order to answer the necessities of our customers in South Korea, WEG have been developing the exclusive line W21 KS according to MEPS. The result is a extraordinary line where you can find the flexibility and quality of WEG (recognized internationally) and respecting the Korean regulations.

Further these qualities, the Korean market will have the benefits of production in our factory in China, improving the speed and quality of our treatment for customers in Asia.

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Description

Standard features

Three-phase, multivoltage, IP55, TEFC;

Output: 0,75 up to 200 kW
Number of Poles: 2, 4 and 6
Frames: 80 up to 355M/L
Frequency: 60 Hz
Mounting: B3R
Voltage: 380 V with 6 leads
Class “F” insulation (ΔT = 80K)
WISE® (WEG Insulation System Evolution) insulation system – Suitable for inverter duty applications*
Service factor: 1,15
Continuous duty: S1
Design N
Thermistors (1 per phase) for frames 160M to 355M/L
V’Ring seal for both endshields
Regreasing niple for frames 225S/M to 355M/L
Stainless steel nameplate AISI 316
Fans: Plastic made for frames 80 to 315S/M and Aluminum made for frame 355M/L
Fan Covers: steel made for frames 80 to 132 and cast iron made for frames 160M to 355M/L
Regreasing nipple for frames 225S/M to 355A/B
Color: RAL 6002

*For additional details about Inverter operation, please contact our technical support.
*Special Insulation for voltage above 575V

Optional features available

Other voltages
Design H
Class “H” insulation;
- Thermostats or RTD-PT 100 on winings and bearings
Thermal protection:
Degree of Protection: IP56, IP65, IP66, IPW56, IPW65 or IPW66
Bearing seals:
- Lip seal
- Oil seal
- Labyrinth taconite seal and W3seal
Additional terminal box
Space heaters
Fans: Aluminum or Cast Iron
Drip cover for vertical applications
Double shaft end
Encoder
Cable glands in plastic and brass;
Blower kit (TEBC)
Roller bearings

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