What Is a Fractional Horsepower Motor?

WEG is one of the world's famous motor manufacturers.

weg motor

1.Exports started in 1970
2. Sales in more than 110 countries on five continents
3. Factories outside Brazil: Argentina, Mexico, Portugal, China and India
4. Branch: United States, Mexico,
The establishment of Nantong in China has great significance for WEG, because it is the first factory of WEG Group in Asia. WEG Nantong was officially established in March 2005. Has more than 810 employees, mainly engaged in low voltage and

WEG weg motor WEG motor

The WEG model of high-efficiency energy-saving motors entered China in 2005.With its perfect products, imported materials selection, and excellent service from the global warranty, it quickly occupied the country.
WEG low voltage motor
market. Products are widely used in mining machinery, chemical industry, fans, pumps and other industries. Hope more and more users can choose the most cost-effective products!
Basic characteristics of WEG motor: WEG motor adopts temperature-resistant 200 enameled wire, stator and rotor are made of cold-rolled silicon steel sheet, and dipping process adopts 2 vacuum dip varnishes, so that the gap coating on the surface of stator and rotor and cold-rolled silicon steel sheet is uniform, without fine bubbles Prevent excessive air-gap resistance, effectively reduce temperature rise and improve motor efficiency, especially the use of imported SKF, FAG or NSK bearings, effectively extend the entire machine's operating life and ensure motor safety!
Low-voltage industrial motor
W20 series: Designed for the Chinese market.
W21 frequency conversion series: EFF2, EFF1, Exceed high-efficiency motors; W02, W01 ordinary series; YBK2 mine flameproof motor; YB2 flameproof motor; brake motor; marine motor; Type motors; WEG imported series motors, etc.
Medium and high voltage motor
M series, power from 100 to 50,000kW, voltage to 13.8KV; frame size: IEC280-500
H series, closed type, power from 100 to 3,150kW, voltage to 6.9kV; frame size: IEC315-630

W20 weg motor W20 motor

Flexible | Efficient | Robust
W20 motor (2 photos)
Nowadays, China is developing faster and faster, because of its huge structure system has become the "factory of the world". China is facing more challenges, and also pay more attention to global environmental protection.
In line with the above-mentioned environmental protection concept, WEG Nantong has developed a new motor production line for customers in the Chinese market, specializing in the production of new W20 motors. The new motors are suitable for different industrial fields, have efficient operating performance, are safe and durable, and can greatly reduce maintenance frequency.
Standard features
1. Three-phase squirrel cage rotor
2. 380V voltage
3 50HZ rated frequency
4 Protection class IP55
5. F and insulation
6. Service factor 1.0
7. Output power: 0.18KW to 260KW
8. Frames 80 to 355
9. Size: IEC72
10 Continuous work
11.40 ° ambient temperature, below 1000 meters above sea level
12. Installation method B3R
13. Cooling method IC411
14. Connection mode: Y connection below 3KW, corner connection above 4KW
15. Imported bearings
Other selection features
1. Other voltages-60HZ
2. Biaxial extension
3 Shaft size according to customer requirements
4 Other mounting structures
5. Variable frequency drive
6. Run with service factor
7. Other power levels
8. Other improvements based on other requirements
application
General machinery: such as metal cutting machine tools, pumps, fans, transportation machinery, mixers, agricultural machinery, food machinery, etc.

W21 weg motor W21 motor

· Frame size: 63-355
W21 motor (12 photos)
Motor power: 0.12-330KW
· Protection level: IP55
· Insulation class: Class F insulation ( T = 80K)
· Efficiency level: EFF2 standard efficiency
2P motor average efficiency is 90%, 2.2% higher than Y2-2P motor
4P motor average efficiency is 89.6%, 2% higher than Y2-4P motor
6P motor average efficiency is 88.1%, 1.3% higher than Y2-6P motor
Working system: S1 continuous working system
· Ambient temperature: 40 , 1000 meters above sea level
· Cooling method 1C411
Wiring method: Y-shaped connection for 3kW and below, reasonable structural design for connection above 4KW
· Flexible wiring: The terminal box rotates in 4 * 90 degree directions, and customers can specify it arbitrarily, just need to indicate when ordering.
· Beautiful appearance: The heat dissipation ribs are horizontally and vertically distributed. The end cover junction boxes are all newly designed. The appearance is beautiful and unique. The surface is sandblasted, the color is uniform, and the color is uniform throughout the world.
· Strong component connection: Implement WEG motor assembly standards, modular design, modular installation, improve component connection reliability, greatly reduce installation and commissioning time, and shorten delivery time
· Wide voltage, wide frequency: The actual use voltage can fluctuate within 5% of the rated voltage, which does not affect the normal use of the motor. It fully meets the actual situation of domestic voltage fluctuations, and the same motor can achieve two voltages and two frequencies 220v / 380v 50hz or 380v / 660v 50hz and 440v 60hz).
· Overload multiples: All motors are designed to withstand 1.5 times overload at rated voltage and rated frequency, which lasts for two minutes and is tailor-made.
· Protection level: IP56 or IP65
· Bearing seal: lip seal, oil seal, frame size 132S and above
· Thermal protection: thermistor 132S and below is equipped with thermistor, temperature adjustment device, RTD-PT 100
· Heating belt
· H class insulation
· Ball bearings with frame size 160M and above
feature
Advantage
WISE insulation system
The increased electrical strength of the stator allows the motor to run with a frequency converter without being damaged by the peak voltage.
effectiveness
High efficiency (IE2) and ultra high efficiency (more than IE3) motors ensure fast return on investment.
Industrial Environment Painting Program
Suitable for slightly harsh environments: low average temperature, normal temperature change.
Cast iron frame
Greater motor strength
Enhanced cooling system
The surface temperature of the motor and the bearing temperature are significantly reduced, ensuring high performance and energy saving.
Can be customized according to customer requirements
Products that can best meet a variety of industrial applications
W21 three-phase low-voltage motor
Brand: WEG
Model: W21EFF2180L15KW
Frame size 225S / M and above all adopt secondary vacuum dipping.
· Frame size 225S / M and above are equipped with refueling device, the screw sleeve of the junction box is metric thread.
· Frame size 160M and above with 1 thermistor for each phase.
· Efficiency level: EFF2 standard efficiency
· High-performance protection level: All motors are designed with IP55 protection level. They can be used outdoors or in dusty and humid environments. Users do not need to add extra devices without affecting normal use.
· Improve the insulation performance and increase the service life of the motor: so standard motors use F-level insulation series (close to H-level insulation), and are evaluated according to B-level insulation, which increases the reliability of motor operation and increases the motor life.
· Wide voltage, wide frequency
· All W21 motors are suitable for variable frequency power supply. Its torque characteristics have been tested. Under constant torque, when the speed ratio is 2: 1, and under variable torque conditions, the speed ratio is 10: 1, W21 The basic motor can be used directly.
Lubrication cycle: All standard WEG motors use 82-280 frame size two-pole motors without fuel for 20000 hours, four-pole motors without fuel for 40,000 hours, high-power two-pole motors without fuel for 2000-3000 hours, four-pole motors 4000 -6000 hours without fuel.

weg motor heavy load motor

weg motor HGF
The HGF series is a combination of low maintenance costs and high performance. This series of products are used in the most demanding fields, which require an ideal choice for motor operation that increases strength and durability.
HGF motors are designed to the highest technical standards and are rigorously tested and inspected using modern computer software, mechanical, electrical and thermal analysis certification. The development of this innovative model makes the HGF series a flexible product that meets the requirements of international standards and fully meets the development trend of the world market. This shows that WEG is committed to bringing global solutions and more optimized products and processes not only with customers but also with the environment.
Standard function
:;
Number of poles: 2, 4, 6, 8, 10 and 12;
Dimensions: 5006/7 / 8T to 9606/10;
:;
;
Service factor: 1.00;
Insulation class: F (DT 80K);
Protection level: IP55;
Installation method: B3;
Cooling method: TEFC-IC411;
Encloure material: cast iron FC-200;
Fan cover: FC-200 cast iron, minimum 6806/7 / 8T, maximum 7006/100
Fan: Aluminum frame minimum 8006/10, maximum 8806/10
Junction box: FC-200 cast iron;
Fine series junction box: FC-200 cast iron;
Thermal protection: Winding: 3-wire PT-100, 2 stages;
Bearing: 3-wire PT-100, 1% bearing;
Bearing: grease-lubricated ball bearings up to 8006/10;
Grease lubricated roller bearing frame 8806/10 (4, 6, 8, 10, 12);
Insulated non-drive end bearings are frame 6806/7 / 8T and above;
Bearing seals: For grease lubricated bearings: labyrinth seals;
Suitable for oil lubricated bearings and plain bearings: mechanical seals;
Balance: using half keys;
Bearing protection for shaft locking devices;
Nameplate: AISI 304 steel (laser engraving);
Leak: Automatic plastic plug.
Optional features
App for VFD;
Encoder: DYNAPAR HS 35;
Protection level: IP55W or higher;
Installation: Other installation configurations, including vertical high-thrust applications;
Cooling method: TEBC-IC415;
Fan: FC-200 cast iron;
Drip irrigation covers shaft applications;
Junction box: steel welding junction box;
Second junction box: neutral terminal for "Y" connection access;
Cable holder: plastic, brass or stainless steel thread;
Thermal protection: bimetal thermal protector, thermistor (PTC), or calibrated PT-100 in the winding or bearing for alarm or trip;
Bearings with / without contact pressure gauge thermometer;
Bearing: oil lubricated bearing;
Plain bearings of all sizes;
Insulated non-drive end bearing frame 5810/11 / 12T;
VFD application, drive end bearing insulation;
VFD application kit for driving end shaft insulating brushes
Normal or high thrust applications with vertically mounted bearing designs;
Suitable for vibration detector SPM;
Balance: special balance level;
Voltage surge protection: arresters and capacitors;
Stainless steel fixed;
Internal epoxy coating (tropicalization).
Other features available on request
Voltage: 6900 ~ 11,000 V;
Service factor: 1.15 / 1.25;
Insulation class: F (DT 105K), H (DT 80K, 105K or 125K);
Sleeve bearing with independent hydraulic oil circulation system;
CT differential and integral protection;
Power factor correction capacitor;
Signal transducer;
Special shaft dimensions;
Tacogenerator;
Non-reverse ratchet;
Base: guide rail, slide, extension foot, reconstruction foot, anchor plate.

weg motor

The M-line motor configuration can be designed according to customer needs to meet the protection levels and cooling methods in different applications.
M-line (3 photos)
The M-line motor uses different configurations of cooling methods and protection levels, so that the machine is designed to meet the requirements of the operation and environment as much as possible. The external dimensions of the motor are cast iron (IEC280 ~ 560), while the external dimensions of IEC 630 and above are made of steel plate welding.
Standard function
220 ~ 13800 V sinusoidal power supply
Number of poles: 2 ~ 12
Cast iron frame 630 280 560 and steel plate welding 1800
cooling method:
-Self-cooled ventilation;
-Self-ventilated ducts, air inlets and outlets;
-Forced ventilation, air inlet and outlet ducts;
-Forced ventilation, cooling the top of the motor;
-Self-ventilated and air-to-air heat exchangers, heat exchangers on motors;
-Self-ventilated and air-to-air heat exchangers, heat exchangers around the stator;
-Forced and ventilated internal and external electrical circuits, air-to-air heat exchangers
-Air-water heat exchanger;
-Air-water heat exchanger, forced ventilation of the internal circuits in the air.
Installation method: B3
Protection level: IP23 ~ IP55
Working system: (S1)
Insulation class: F
Service factor: 1.0
Temperature rise: 80 ° C
Ambient temperature: 40 ° C
Altitude: 1000 meters
Temperature detection: PT100, 3-wire 1 yuan bearing
Temperature detection: PT100, 3 wires per phase
Two auxiliary junction boxes, signalling accessories and other accessories require power (space heater)
Single-phase space heater
Labyrinth tachonite in grease lubricated bearings
Grease-lubricated bearings:
-For 2-pole motors, the following screen sizes appear:
-Frame frequency below 400 (inclusive) is 60Hz;
-Frame number above 450 (inclusive) is 50Hz;
-For frames up to 4 pole motors:
-Frame numbers below 560 (inclusive) are 60Hz and 50Hz
-Grease lubricated bearings with 6 poles or more;
Plain bearings:
-For 2-pole motors in frame number 630
-Frame number 450 and above is 60Hz
-Frame size 500 and above is 50Hz
-630 for 4-pole motors
Electrically insulated non-drive end bearings with frame numbers 450 and above are connected directly to the power supply
Paint: acrylic polyurethane polyamide epoxy (last layer: blue RAL 5007)
Stainless steel nameplate
Ground frame and junction box
Drive end shaft grounding brush size 450 and above
Stainless steel slip ring
03 Connection terminals (terminal blocks) in high voltage power supply junction box
06 Low voltage caused by loose power connection (no terminal required)
Optional features
VFD application
Service factor: 1.15
Insulation class: H
Temperature rise: 105 ° K, Class F
Temperature rise: 125 ° KH
Ambient temperature above 40 ° C (available on request)
Above 1000 meters above sea level (available on request)
Rubber pads: B5, B35, V1, V3, V5, V6, V18, V19, V36
Protection IPW55 and above
Applications in the field of classification: EX-N, -E, -P
Special balance
Base: guide rail, slide, extended foot, reconstructed foot, anchor plate
The steel welding junction box is different according to the size of the available space inside.
Power factor correction capacitor
Non-reversing ratchet
Centrifugal switch
Temperature detector: Thermistor (PTC, NTC)
Temperature detector: thermostat (bimetal)
Two live power junction boxes
One or more auxiliary junction boxes
Shaft: special size, double shaft end cone, hollow, special steel
Oil bearing
Oil lubricated bearings
Special axial or radial thrust bearings (overdesigned)
Special painting
Low-voltage terminal blocks
Entry in cable gland junction box
Protection against surge voltages: lighting arresters and capacitors
Aluminum, copper or brass rotor
Vibration detector
Noise suppressor at air inlet and outlet
Encoder
Speed generator
CT Differential and Integral Protection
Bearing thermometer, pressure gauge with / without contact
Signal Transduction
Independent sleeve bearing for hydraulic oil circulation system
All frame sizes of electrically insulated non-drive end bearings with variable frequency drive drive
These two bearings are electrically insulated
When all frames on the grounding brush are driven by the inverter, the drive end bearings (except for classified areas)

weg motor

M Line Master
Technical characteristics:
Output power to 50,000KW (70,000HP)
Voltage 220-13800V
Speed 3600-300rpm
WEG M LINE benefits include:
Efficient
Protection mode IP23 (WE-I), IP (W) 24 (WP-II) or IP (W) 55 / IP (W) 56 / IP (W) 65
Reduce noise level
Easy maintenance
API541 standard
New design bearing, squirrel cage design
Interchangeability with existing motors
Application: Fans, compressors, water pumps, crushers, cutting machines and other mechanical equipment.
Line Master
Technical characteristics:
Output power to 100-3150KW (135-4000HP)
Voltage 220-6900V
Speed 3600-600rpm
WEG M LINE benefits include:
Efficient
Protection mode IP (W) 55 / IP (W) 56 / IP (W) 65 (TEFC, TEBV)
Reduce noise level
Easy maintenance
New design bearing, squirrel cage design
High-strength cast iron
Interchangeability with existing motors
Self-cooling internal airflow
No heat exchanger required
Application: Fans, compressors, water pumps, crushers, cutting machines and other mechanical equipment.

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