Motors | Automation | Energy
Three Phase Low Voltage Motors
Flexible | Efficient | Powerful
WEG Worldwide
WEG was founded in 1961, in south of Brazil.
Now it has 26 factories in 11 countries and more
than 1100 service centers around the world
including the largest motor manufacturing plant
of the world in Brazil with 2,500,000 square
meters. WEG supplies solutions in five business
unites: motors, automation, energy, transmission
& distribution and coatings.
Flexible | Efficient | Powerful
China is a modern country and became the factory of the world due to its huge structure. To support this scenario,
the country is facing new challenges and also is ware about the environmental protection.
This new line is flexible for various applications, performs high level of efficiency and is reliable during its usage
avoiding stop of machines and high demand for maintenance.
W20 motor—
because development demands flexibility and efficiency.
Contents:
Standard features / optional features ------------------------------------------------------------------------------------- 5
Construction features --------------------------------------------------------------------------------------------------------- 6
Mounting types ----------------------------------------------------------------------------------------------------------------- 7
IP55 Standard IE1-2P -------------------------------------------------------------------------------------------------------- 8-9
Why choose WEG ------------------------------------------------------------------------------------------------------------- 10-11
IP55 Standard IE1-4P -------------------------------------------------------------------------------------------------------- 12-13
IP55 Standard IE1-6P -------------------------------------------------------------------------------------------------------- 14-15
IP55 Standard IE1-8P -------------------------------------------------------------------------------------------------------- 16-17
Mechanical data --------------------------------------------------------------------------------------------------------------- 18-19
Standard features
Three-phase multi-voltage, IP55, TEFC
Cast iron frames (80 to 355)
V'Ring on both endshields
Drain: Automatic Plastic
Stainless steel nameplate AISI 304
Design N
Class “F” insulation
Paint color: RAL 7000 (gray)
Optional features
Degree of protection: IP56
Bearing seals:
Lip seal / Oil seal
Class “H” insulation
Thermal protection:Thermistors for frame 255 to 355
Roller bearings for frame 225 to 355
Construction features
Frame
Mechanical Features
Nameplate
Mounting
Frame
cast iron
Materials
Degree of protection
Grounding
Cooling method
Materials
Fan
Fan cover Materials
Endshields Materials
Drain
Inside the terminal box and frame
Double grounding
Plastic
Steel Plate
cast iron
Aluminium
Plastic Automatically operated
Shielded/Clearance (DE)
Shielded/Clearance (NDE)
Bearings
Locating bearing
configuration
NDE bearing fitted with wave washer
DE bearing locked with
inner bearing cap and
fitted with wave washer
in the NDE bearing
DE bearing locked with outer bearing
caps and fitted with pre-load springs
in the NDE bearing
Drive end
Non-drive end
Bearing seal
Lubrication
Grease Type
Grease fitting
Terminal Block
Terminal Box Material
Main T-Box
Leads Inlet
Plug
Material
Shaft
Furo roscado
Key
Vibration
Balancing level
Nameplate Material
Plan
Painting
Color
With grease fittings in DE and NDE bearings
None
6 Terminals
Steel plate
Thread size
Plastic plug for transport and storage purposes
China key type
China key type
With 1/2 key
Stainless Steel
grey
Electrical Features
Design
Voltage
Winding
Material
Insulation Class
Service factor
Rotor
Thermal Protection
Copper
Die-cast Aluminium
None
Mounting Configurations
Assembly
Standardized mounting configurations
Configuration
Reference
Frame
with feet
Details
left
Terminal box
Assembly
right
left
right
left
Top
left
right
right
flange FF
without feet
Top
left
right
right
base or flange FF
left
Top
flange FC
Configuration
Reference
right
left
Terminal box
with feet
with feet
Frame
Details
Top
left
base or rail
Mounting
right
left
right
left
Top
right
left
Top
with feet
Top
bottom
bottom
left
base or flange FC
Mounting
Assembly
left
right
right
with feet
without feet
right
Top
left
wall
right
Top
wall
Configuration
Reference
Details
Frame
Terminal box
without feet
bottom
Top
left
left
Assembly
Mounting
left
with feet
with feet
with feet
bottom
Top
bottom
right
Top
left
wall or flange FF
flange FF
right
Top
left
right
without feet
Top
wall or flange FC
wall or flange FF
Reference
Details
Terminal box
Mounting
bottom
Top
left
left
left
with feet
with feet
with feet
front
front
front
right
wall
Top
left
right
wall
Top
left
right
ceiling
Top
left
left
flange FC
Configuration
Frame
bottom
Top
IP55 Standard IE1-2P
Output
Frame
High-output design
Cn
I I /I n
IA /I N
T I /Tn
MA /M N
Tb /Tn
M K /M N
Inertia
rpm
min-1
% of full load
Efficiency
Power factory Cos
IP55 Standard IE1-2P
Output
rpm
min-1
Hign-output design
% of full load
Efficiency
Power factory Cos
rpm
min-1
% of full load
Efficiency
Power factory Cos
IP55 Standard IE1-4P
Output
Frame
High-output design
Cn
I I /I n
IA /I N
T I /T n Tb /Tn
MA /M N M K /M N
Inertia
rpm
min-1
% of full load
Efficiency
Power factory Cos
IP55 Standard IE1-4P
Output
rpm
min-1
High-output design
% of full load
rpm
min-1
% of full load
IP55 Standard IE1-6P
Output
Frame
High-output design
Cn
Inertia
rpm
min-1
% of full load
IP55 Standard IE1-6P
Output
Frame
High-output design
Cn
Inertia
rpm
min-1
% of full load
IP55 Standard IE1-8P
Output
Frame
High-output design
Cn
Inertia
rpm
min-1
% of full load
IP55 Standard IE1-8P
Output
rpm
min-1
High-output design
% of full load
rpm
min-1
% of full load
Mechanical data
Shaft dimensions
Frame
Note
Shaft dimensions for II pole motors, only for direct coupling.
All dimensions are in millimeters.
The average values shown are subject to change without prior notice.
To obtain guaranteed value, please contact with our nearest sales office.
Bearings
Mechanical data
Frame
“FF”Flange
No of
holes
Frame
Frame
“C-DIN” Flange
No of
holes
“C” Flange
No of
holes