Increased Safety Motors - EFF2 Improved Efficiency - EEx e (ATEX)

Increased Safety Motors - EFF2 Improved Efficiency - EEx e (ATEX)

( Up to 100 KW )

w21 eff2 europa G


Environment where an explosive atmosphere will probably not be present under normal operating conditions and, if any, this will be for short period of time, that is, an explosive atmosphere may be present accidentally.

The environments are classified as Zone 2, groups IIA, IIB and IIC. The most common gases included in this classification are: acetone, ammonia, benzene, butane, butanol, buthylic alcohol, ethane, ethanol, acetate of ethyl, gasoline, heptanes, hexanes, natural gas, methanol, oil naphtha, propane, propanol, toluene, esthyrene, solvents in general, acetaldehyde, cyclopropane, diethylic ether, ethane, monoxide of carbon, acetylene, butadiene, oxide of ethane, hydrogen, oxide of propylene and gases containing over 30% of hydrogen.


Standard Features:

Output: 0.18 up to 100kW
Multivoltage - (218-242/380-420V or 380-420/655-690V)
Self Ventilated (TEFC)
Cast iron frame 63 up to 315S/M
Mounting: B3T
Degree of Protection: IP55
Squirrel cage rotor/Aluminium die cast
Stainless steel nameplate AISI 316
Class of temperature T1 / T2 / T3 / T4
Class “F” insulation with T 70K
Continuous duty - S1
Ambient temperature: 40°C , 1000 m.a.s.l.
Regreasing nipples from frame 160 and above
Metric thread cable entries in terminal box
Increased safety terminal box
Earth lug inside the terminal box
Epoxy based paint plan: RAL 5010

Optional Features:

Single voltage (other voltages)
Degree of Protection: IP56, IP65 or IP66
Other mounting configurations


WEG increased safety motors are certified by PTB - Physikalisch - Technishe Bundesanstalt. The PTB certificates of conformity for explosion proof in increased safety enclosure “e” as per EN50014/ EN50019 are:
EEx e - Increased safety motors (class of temperature T1 / T2 / T3 / T4)


Frames Certificate number:

63 PTB 01 ATEX 3204
71 PTB 01 ATEX 3205
80 PTB 01 ATEX 3206
80 (Al) PTB 01 ATEX 3303 X
90 PTB 01 ATEX 3207
100 PTB 01 ATEX 3208
112 PTB 01 ATEX 3209
132 PTB 01 ATEX 3210
160 PTB 03 ATEX 3006
180 PTB 04 ATEX 3036
200 PTB 04 ATEX 3017
225 PTB 04 ATEX 3001
250 PTB 04 ATEX 3018
280 PTB 04 ATEX 3015
315 PTB 04 ATEX 3002



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89/22 Moo4 Klongthanon, Saimai, Bangkok 10220
Tel. 0-2191-5387, 08-6355-6818 Fax. 0-2191-5388
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