W22Xd Tube Cooled – Rolling Bearings

• Versions:
  – W22XdB(E) – Ex d(e) IIB T4 Gb
  – W22XdC(E) – Ex d(e) IIC T4 Gb
  – W22XdM(E) – Ex d(e) I Mb
  – W22XdB(E)D – Ex d(e) IIB T4 Gb / Ex tb IIIC Db IP6X
  – W22XdC(E)D – Ex d(e) IIC T4 Gb / Ex tb IIIC Db IP6X
• Suitable to operate in the follow classifications:
  – Group I (Mines)
  – Group II (Gas – Groups IIB and IIC, Zone 1)
  – Group III (Dust – Zone 21)
• Rated output [kW]:
  – Medium voltage motors (> 1100 V and ≤ 6600 V)
  – 90 up to 800 / 2 poles
  – 90 up to 1250 / 4 poles
  – 110 up to 900 / 6 poles
  – 132 up to 800 / 8 poles
  – High voltage motors (> 6600 V and ≤ 11000 V) with low inrush current design (Is/In ≤ 4,5)
  -355 up to 500 / 2 poles
  – 355 up to 800 / 4 poles
  – 280 up to 560 / 6 poles
  – 250 up to 400 / 8 poles
• Rated voltage: 6000 V (medium voltage) and 10000 V (high voltage)
• Frequency: 50 Hz
• Frame sizes: 315 up to 560
• Degree of protection: IP55
• Insulation class: F (ΔT = 80K)
• Ambient temperature: -20 °C to +40 °C (1000 m)
• Cooling method: IC 411 in accordance with standard IEC 60034-6 – motors cooled by an external fan
• Thermal protection:
  – Windings: PT-100 (3 wire, 2 per phase)
  – Bearings: PT-100 (3 wire, 1 per bearing)
• Space heater
• Rolling bearings
• Balancing: With half key
• Frame and endshield material: cast iron*
• Vibration: Grade A (according to IEC 60034-14)
• Terminal boxes provided with 3 terminals

* Not applicable for frame 560.

Optional features

• Suitable for VSD application
• Degree of protection: IP56, IP65 and IP66
• Insulation: Class H (ΔT=105K)
• Voltage: 3000 V (50 Hz) and 4160 V (60 Hz)*
• Ambient temperature: -55 °C up to +60 °C
• Altitude: up to 5000 m
• Vibration: Grade B
• Terminal boxes provided with 6 terminals

* Other supply voltages and frequencies can be supplied under request.Certification and general informationIn terms of certification this is a flexible and modular product, allowing the use of the motor frame enclosure with different sizes and types of terminal boxes.

The W22Xd tube cooled range of Flameproof Motors follows also the IECEx Scheme for worldwide applications. Manufactured according to the latest national and international Standards and Directives, WEG provides an “Ex” motor designed to meet the most known and difficult specifications in the OIL & GAS and MINING and other Hazardous Areas Segments in a global Market. WEG is approved in Vendors List of some of the greatest OIL & GAS companies in the world and has also several Regional Certifications like INMETRO (Brazil), TRCU (Russia, Belarus and Kazakhstan), PESO/CCOE (India) and SITIIAS/NEPSI (China). On a case-by-case basis, W22Xd motors can be supplied with CCSAUScertification for Canada and US markets.