W22Xdb – Flameproof Ex db

As standard W22Xdb range was designed for operation in Hazardous areas classified as IEC Zones 1 and 2, Groups IIA and IIB, or IIA, IIB and IIC, Temperature Classification T4 and EPL Gb.

W22Xdb also offer added protection against combustible dusts, for operation in hazardous areas classified as Zones 21 and 22, Groups IIIA, IIIB and IIIC and EPL Db.

Further, W22Xdb is prepared for operation in underground coal mines, Group I, Category M2 and EPL Mb.

Output

:

0.12 up to 370 kW

Poles

:

II up to VIII

Frame

:

71 up to 355M/L

Voltage

:

220-240/380-415 // 460 V (up to frame 100L)

380-415/660-690 // 460 V (frames 112 and above)

Frequency

:

50 or 60 Hz

Hazardous Area

:

Zone 1 and 2, Gas Group IIA and IIB – Gas Group IIB

Temperature Class

:

T4

Certification Marking

:

Ex db IIB T4 Gb

Enclosure

:

IC411 – Totally Enclose Fan Cooled (TEFC)

Protection

:

IP56

Insulation Class

:

F

Temperature Rise

:

B (80K)

Ambient Temperature

:

-20˚ C to +40˚ C at 1000 masl

Frame Material

:

Cast iron

Bearing Cap

:

Internal DE and NDE bearing cap to prevent flame propagation

Bearing Seals

:

Lip Seal frame 90 up to 280 (all poles) 315 up to 355 (2-pole)

Taconite 315-355 (4 up to 8 poles)

Thermal Protection

:

Thermistor PTC 150˚ C – 2 wires – one per phase

Finish Colour

:

RAL 5010 (IE1 motor)

RAL 5009 (IE2 motor)

Standard

:

IEC / NEMA

Manufacturing Site

:

WEG Motores (Brazil)

Certification

Certifying body: BASEEFA or INERIS

Directive / Standards: ATEX & IECEx certification