WEG W22Xec Premium Explosion-Proof Motor – 75 HP, 440 V, 2-Pole (3550 rpm), IPW66, Frame 250S/M
EQUIPMENT IDENTIFICATION
Manufacturer: WEG
Series / Line: W22Xec Premium (Explosion-proof / High Efficiency)
Model: 250S/M
Complete Model Code: WELL – 17FEV2020 1052771236
Country of Manufacture: Brazil
Standard: NBR 17094-1
ELECTRICAL SPECIFICATIONS
Parameter Value
Rated Power 55 kW (75 HP)
Voltage 440 V
Frequency 60 Hz
Rated Current 85.7 A
Rated Speed 3550 rpm
Service Factor 1.00
Duty Rating S1 – Continuous
Insulation Class F
Temperature Rise (ΔT) 80 K
Power Factor 0.90
Efficiency 93.6%
IP Protection IPW66
Inrush Current (Ip/In) 7.5
This is a high-speed 2-pole motor (≈3550 rpm).
HAZARDOUS AREA CLASSIFICATION
This is an explosion-proof / hazardous-area motor:
Complies with NBR 17094-1
W22Xec Premium line
Suitable for installations requiring enhanced protection
ATEX/IECEx reinterpretation suggests equivalence to Ex ec / Ex nA categories
MECHANICAL SPECIFICATIONS
Parameter Value
Frame Size 250S/M
Mounting B35 (Flange + Feet) — visible in the photos
Total Weight 514 kg
Ambient Temperature 40°C
Altitude Rating 1000 m a.s.l.
Enclosure Type TEFC – Totally Enclosed Fan Cooled
BEARINGS & LUBRICATION
Position Bearing Grease
DE (drive end) 6314-C3 (27 g) Mobil Polyrex EM
NDE (non-drive end) 6314-C3 (27 g) Mobil Polyrex EM
Relubrication Interval: 3604 hours
CONNECTION THREADS
2 × NPT 2″
1 × NPT 3/4″
Quantity: 01