WEG W21-22KW-4P-180L-380V-50HZ-IE3-B35T Motor Specifications

WEG W21 three‑phase induction motor, B35T (foot‑mounted + FF flange, terminal box on top), IC411 TEFC Totally Enclosed Fan‑CooledWEG

Model Code Explanation

Electrical Data (50 Hz)

• Rated Power: 22 kW
• Poles: 4‑pole; Synchronous speed: 1500 rpm; Rated speed: 1475 rpm
• Rated Voltage: 380‑415V (Delta) / 660‑690V (Star)
• Rated Current (380V Delta): 42.5 A
• Rated Torque: 142 N·m
• Power Factor cosφ: 0.85 (full load)
• IE3 Efficiency: ≥93.6% at full load, approx. 93.9% at 75% load
• Locked‑rotor current ratio LRC: 7.0 × In
• Starting Torque: 240% Tn; Maximum Torque: 260% Tn
• Duty Cycle: S1 Continuous running
• Insulation Class: Class F (temperature rise assessed per Class B, 80K)

Mechanical & Environmental Data

• Protection Class: IP55WEG
• Cooling Method: IC411 TEFC Totally Enclosed Fan‑Cooled
• Mounting Arrangement: B35T (foot‑mounted + FF flange, terminal box on top)WEG
• Frame size: 180L
• Shaft Extension: Φ48 mm, key 14×9, shaft extension length 110 mm
• Moment of Inertia J: 0.148 kg·m²
• Bearings: DE 6310C3; NDE 6310C3
• Weight: approx. 245 kg
• Ambient Temperature: ‑20℃ ~ +40℃, altitude ≤1000 m
• Standard supply: 1 set PTC thermistors per phase for winding protection (frame 180)
• Terminal box: Top entry, rotatable, suitable for VFD operation

IEC 180L‑4P B35 Mounting Dimensions

• Centre height H: 180 mm
• Foot mounting hole spacing A: 315 mm; B: 241 mm
• Foot width C: 152 mm
• Shaft diameter D: 48 mm, key 14×9
• Shaft extension E: 110 mm
• FF Flange: Flange OD 350 mm, spigot 250 mm, mounting holes M12