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WEG W21‑55KW‑8P‑315S/M‑660V‑50HZ‑IE3‑IP66‑V1T Motor Specifications
WEG W21‑55KW‑8P‑315S/M‑660V‑50HZ‑IE3‑IP66‑V1T Motor Specifications
Specifications
Price :
62520
Packaging Details :
Original packaging
Rated Torque :
714 N·m
Rated Voltage :
660V (Star) / 380‑415V (Delta)
Locked‑rotor current ratio LRC :
6.2 × In
Duty Cycle :
S1 Continuous running
Payment Terms :
D/A,D/P,T/T
Rated speed :
735 rpm
Model Number :
W21‑55KW‑8P‑315S/M‑660V‑50HZ‑IE3‑IP66‑V1T
Power Factor cosφ :
0.78 (full load)
Supply Ability :
9999
Synchronous speed :
750 rpm
Rated Current (660V Star) :
62.0 A
Delivery Time :
45WDS
Poles :
8‑pole
Insulation Class :
Class F (temperature rise assessed per Class B, 80K)
Brand Name :
WEG
IE3 Efficiency :
≥93.0% at full load, approx. 93.3% at 75% load
Place of Origin :
CHINA
MOQ :
1
Starting Torque :
210% Tn; Maximum Torque: 240% Tn
Rated Power :
55 kW
Description
WEG W21 cast‑iron frame three‑phase IE3 high‑efficiency induction motor. V1T = V1 vertical flange mounting (shaft down), T‑terminal box on top; IP66 high protection, IC411 TEFC Totally Enclosed Fan‑Cooled

Model Code Explanation

表格



Code Description
W21 WEG W21 cast‑iron frame series
55KW Rated power: 55 kW
8P 8‑pole
315S/M Frame size 315S/M
660V‑50Hz Rated 660V Star connection, 50Hz; compatible with 380‑415V Delta
IE3 Super‑premium efficiency per IEC60034‑30‑1
IP66 Dust‑tight, protected against powerful water jets, upgraded from standard IP55
V1T V1 vertical flange mounting (shaft pointing downward); T = terminal box mounted on top

Electrical Data (50 Hz, 660V Star)

  • Rated Power: 55 kW
  • Poles: 8‑pole; Synchronous speed: 750 rpm; Rated speed: 735 rpm
  • Rated Voltage: 660V (Star) / 380‑415V (Delta)
  • Rated Current (660V Star): 62.0 A
  • Rated Torque: 714 N·m
  • Power Factor cosφ: 0.78 (full load)
  • IE3 Efficiency: ≥93.0% at full load, approx. 93.3% at 75% load
  • Locked‑rotor current ratio LRC: 6.2 × In
  • Starting Torque: 210% Tn; Maximum Torque: 240% Tn
  • Duty Cycle: S1 Continuous running
  • Insulation Class: Class F (temperature rise assessed per Class B, 80K)

Mechanical & Environmental Data

  • Protection Class: IP66 (with automatic drain plugs)
  • Cooling Method: IC411 TEFC Totally Enclosed Fan‑Cooled
  • Mounting Arrangement: V1T (vertical flange mounting, shaft downward, no feet, terminal box on top)
  • Frame Material: Cast iron 315S/M
  • Shaft Extension: Φ80 mm, key 22×14, shaft extension length 170 mm
  • Moment of Inertia J: 7.10 kg·m²
  • Bearings: DE NU319C3; NDE 6319C3; vertical‑oriented bearing arrangement, regreasing nipples on both ends
  • Weight: approx. 990‑1040 kg
  • Ambient Temperature: ‑20℃ ~ +40℃, altitude ≤1000 m
  • Standard supply: PTC thermistors per‑phase for winding protection; W3 labyrinth shaft seals for IP66WEG
  • Terminal box: Top entry, rotatable, suitable for VFD operation

IEC 315S/M‑8P V1 (B5 Vertical) Flange Mounting Dimensions

  • Centre height H: 315 mm
  • FF Flange: Flange OD 550 mm, spigot 450 mm, mounting holes M16
  • Shaft diameter D: 80 mm, key 22×14
  • Shaft extension E: 170 mm
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WEG W21‑55KW‑8P‑315S/M‑660V‑50HZ‑IE3‑IP66‑V1T Motor Specifications

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Product Detail
Price :
62520
Packaging Details :
Original packaging
Rated Torque :
714 N·m
Rated Voltage :
660V (Star) / 380‑415V (Delta)
Locked‑rotor current ratio LRC :
6.2 × In
Duty Cycle :
S1 Continuous running
Contact Supplier
WEG W21‑55KW‑8P‑315S/M‑660V‑50HZ‑IE3‑IP66‑V1T Motor Specifications

Hunan Chengzhai Machinery Equipment Co., Ltd.

Verified Supplier
1 Years
hunan, changsha
Since 2023
Business Type :
Trading Company, Seller, Exporter, Importer, Distributor/Wholesaler, Manufacturer, Agent
Main Products :
Mining Equipment, Road Machinery, Mining and Ocean Power
Total Annual :
CNY 20M-CNY 50M
Employee Number :
10~49
Certification Level :
Verified Supplier
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