1. Explosion Proof – NEMA Premium

Description

Applications

Standard Features

Optional Features

2. Non Sparking (Ex nA) – Premium Efficiency – IE3

Standard Features

• Three-phase, multivoltage, IP55, TEFC
• Output: 0.12 up to 315 kW
• Frames: 63 up to 355M/L
• Voltage: 220-400/380-415V (up to 100L) 380-415/660V (from 112M and above)
• Mounting: B3T
• Class “F” insulation (?T = 80K)
• WISE® (WEG Insulation System Evolution) insulation system – Suitable for inverter duty applications*
• Continuous duty: S1
• Design N
• Ambient temperature: 40 °C, at 1000 m.a.s.l
• Squirrel cage rotor / Aluminium die cast
• V’Ring seal
• Temperature classification:
  – Zone 2: Temperature Class T3;

  – Zone 22: Maximum motor guaranteed external surface temperature T125 °C.

  Temperature limitation due to the presence of dust clouds (for materials with ignition temperature above 125° C) and presence of dust layers (up to 5mm).

  Note: On VFD Application, motor temperature class is ?T = 160° marking: II 3D T160 °C.

• Thermal protectors: Thermistors for Alarm at 140 °C and Tripping at 155 °C
• Fan: Conductive Plastic (63-315 frames) or Aluminium (355 frames)
• Drain holes: Fitted with plastic closed plugs
• Grease fitting for frames 160 and above
• Plastic thread plug for transportation and storage
• BMC terminal block
• Ground lug inside the terminal box
• Painting Plan: 202E
• Color: RAL 6002

*For additional details about Inverter operation, please contact our technical support.

Optional Features

• Degree of Protection: IP56, IP65 or IP66(W)
• Insulation Class H
• Other mounting configurations, including flange mounted
• Ambient Temperature from -55 to 80 °C
• ATEX cable glands
• Special Painting Plans
• Increased Safety terminal block
• More options available, on request

IEC Standard:

Ex nA IIC Gc
Ex tc IIIB T125°C Dc IP
Ex tb IIIC T125°C Db IP6X

CENELEC Standard:

Zone 2; Group IIC; Category 3G (Gas)
Zone 22; Group IIC; Category 3D (non-conductive dust)

Note: The classification in Group IIC means that the motor is suitable to operate also in Groups IIA and IIB once Group IIC represents an operating condition worse than Groups IIA and IIB.

Certification:

WEG non sparking motors meet ATEX Directive 94/9/EC certified by BASEEFA as per EN50014 / EN50021 / EN61241-1 / IEC61241-0.

 

3. W22Xd – (Rib cooled) Medium and High voltage – Rolling bearings

Standard features

• 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 1120 / 2 poles
  – 90 up to 1600 / 4 poles
  – 90 up to 1250 / 6 poles
  – 90 up to 1000 / 8 poles
  – High voltage motors (> 6600 V and ? 11000 V)
  – 355 up to 710 / 2 poles
  – 355 up to 1120 / 4 poles
  – 280 up to 800 / 6 poles
  – 250 up to 560 / 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 (?T = 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

Optional features

• Suitable for VSD application
• Degree of protection: IP56, IP65 and IP66
• Insulation: Class H (?T=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 information

In 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 CCSAUS certification for Canada and US markets

4. Single-Phase: Fractional Explosion Proof Motors

Features that make difference

• 2-Pole – from 1/3HP to 3HP
• 4-Pole – from 1/3HP to 2HP
• Class F insulation
• 50°C ambient temperature rating
• 1.0 service factor
• Foot mount motors with and without C-flange
• IP55 rating
• Cooling method: TEFC (Totally enclosed fan-cooled) – IC-411
• Class I – Group C & D and Class II – Groups E, F & G – T3B
• Thermally Protected
• Three-Phase motors also rated for 50Hz
• 24” (+2/-0) long leads for remote wiring
• Unassembled aluminum conduit box included
• Aluminum endshields.