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08.2017

50229 01

50229 01

08.2017

Characterisation of explosion-protected motors

QS certifi ciation with NB 0637 … IBExU Freiberg

Designation acc. to RL 2014/34/EU 

(RL 94/9/EG) or ТП ТС 012/2011

Designation acc. to

Designation acc. to

EU

EAC

No.

NB

Group/category/

G (Gas) or 

D (Dust)

IEC 60079-0:2004/

EN 60079-0:2006 

and/or 

IEC 61241-0:2004/

EN 61241-0:2006

IEC 60079-0:2007/EN 60079-0:2009

or

IEC 60079-0:2011, modifi ed

+ Cor.:2012 + Cor.:2013 /

EN 60079-0:2012/A11:2013

0637

II 2G

Ex e II T1/T2, T3 or T4

Ex e IIC T1/T2, T3 or T4 Gb or

Ex eb IIC T1/T2, T3 or T4 Gb

ГБ08

1

II 3G

Ex nA II T2, T3 or T4

Ex nA IIC T2, T3 or T4 Gc or

Ex ec IIC T2, T3 or T4 Gc

ГБ08

2

0637

II 2D

Ex tD A21 IP65 T125°C

Ex tb IIIC Tx°C Db

ГБ08

II 3D

Ex tD A22 IP55 Tx°C

(IP 65 conductive dust)

Ex tc IIIB Tx°C Dc

(Ex tc IIIC Tx°C Dc, conductive dust)

0637

II 2G

II 2D

Ex e II T2, T3 or T4

Ex tD A21 IP65 Tx°C

Ex e IIC T1/T2, T3 or T4 Gb or

Ex eb IIC T1/T2, T3 or T4 Gb

Ex tb IIIC Tx°C Db

ГБ08

1

-

0637

II 2G

II 3D

Ex e II T2, T3 or T4

Ex tD A22 IP55 Tx°C 

(IP 65 conductive dust)

Ex e IIC T1/T2, T3 or T4 Gb or

Ex eb IIC T1/T2, T3 or T4 Gb

Ex tc IIIB Tx°C Dc

(Ex tc IIIC Tx°C Dc, conductive dust)

ГБ08

1

-

0637

II 3G

II 2D

Ex nA II T2, T3 or T4

Ex tD A21 IP65 Tx°C

Ex nA IIC T2, T3 or T4 Gc or

Ex ec IIC T2, T3 or T4 Gc

Ex tb IIIC Tx°C Db

ГБ08

2

-

II 3G

II 3D

Ex nA II T2, T3 or T4

Ex tD A22 IP55 Tx°C

(IP 65 conductive dust)

Ex nA IIC T2, T3 or T4 Gc or

Ex ec IIC T2, T3 or T4 Gc

Ex tc IIIB Tx°C Dc

(Ex tc IIIC Tx°C Dc, conductive dust)

ГБ08

[When indicating a maximum surface temperature: for zone 2 (gas): 

total surface including rotor and windings; for zone 21, 22 (dust): outer surface (enclosure, shaft)!]

Motors with double identifi cation are only 

intended for use in gas or dust explosive 

atmospheres. Use in hybrid mixtures must 

be checked and approved separately.

Generally notes for operating motors driven by 

frequency converters 

Commissioning of explosion-proof asynchronous motors 

driven by frequency converters is only allowed if the mo-

tors are specially designed, produced, tested, certifi ed 

and marked for this purpose. Especially attention has to 

be payed to the notes of the producer. A suitable choice 

of the frequency converter and/or the use of fi lters have 

to secure that the maximum allowable pulse voltage at 

the motor terminals will not be exceeded. 

The following values of the maximum pulse voltage 

have to keep according to series and options: 

Series K11./K10./K12./K21./K20./K4.R/W.1R/W.2R

Size 56-132T

1)

  

Û ≤ 1000 V 

Size 56-132T

1)

 acc. to Sp.2945 

Û ≤ 1350 V 

Size 132 [K20. 112] up to 400 

Û ≤ 1350 V 

Series KU1./KU0./KU2./WU1R/WU2R

2)

Size 56-132T

1)

 acc. to Sp.9382 

Û ≤ 1560 V 

Size 132 [KU0. 112] up to 400 

Û ≤ 1800 V 

Series KV1./KV4./KV0./KV2./WV1R/WV2R

2)

Size 132 [KV0., KV4. 112] up to 400 

Û ≤ 2500 V 

1)

  132T… Size 132 produced by VEM motors Thurm GmbH

2)   

The marking of the series K11./K10./K12./K21./K20./K4.R/
W.1R/W.2R with suffi xed TU or TV is possible with certain 
designs.

It has to be guaranteed that the supply voltage at the 

motor terminals (keep into attention the voltage drop 

over the used fi lters) in any case has to be equal to the 

data at the name plate of the motor.

If the voltage at the terminals of the motor is smaller 

than the rated voltage at the name plate because of 

voltage drops at the frequency converter, the cables, 

reactor coils or fi lters the rated frequency has to be 

lowered in relation with the voltage drop. This measure 

results in a smaller variable speed range. 

Содержание K11 Series

Страница 1: ...EX ATEX ATEX Additional Installation Operating and Maintenance Instructions Explosion protected three phase asynchronous motors with squirrel cage rotor for low voltage Ident Nr 50229 01 Version 08 20...

Страница 2: ...ark IE is added to the type designation whereas 1 2 3 acc to IEC EN 60034 30 1 Example IE3 K11R 132S 4 Ex e IIC T3 Type of protection increased safety e eb Type of protection n increased safety ec Typ...

Страница 3: ...zones 1 and 2 at least IP 55 for operation in zone 22 and IP 65 for operation in zones 21 and 22 with conducting dust For combinations always the highest required type of protection has to be used The...

Страница 4: ...urface enclosure shaft Motors with double identification are only intended for use in gas or dust explosive atmospheres Use in hybrid mixtures must be checked and approved separately Generally notes f...

Страница 5: ...60034 30 1 is allowed for explosion protected motors Indicated are IE class and rated efficiency The determination of the motor efficiency is done with direct measurement complying with IEC EN 60034 2...

Страница 6: ...ection the standard security and starting instructions are valid The cable glands or screwed sealing plugs must be admitted for use in Exapplications The installation torques sealing areas and clamp r...

Страница 7: ...300 Stud screw terminal M16M12 M8 1000 A VEM KLP 1000 1000 70 2 x 240 Current rail M10 K1X 200 A KM 10 8 VEM 10 8 100 70 Stud saddle terminal M8 2 x M6 K2X 200 A KM 10 8 VEM 10 8 100 70 Stud saddle t...

Страница 8: ...wing of holes 3 The inner earth conductor from the motor green yellow with crimped lug has to be placed under the clamping yoke of the earth connection 4 The outgoing cables of the motor have to be so...

Страница 9: ...ted PTC tripping device and marking II 2 G Do only operate with approved PTC Ther mistor Relays with indication II 2 G Anti condensation heating The heating tapes must comply with the directive 2014 3...

Страница 10: ...t free room if possible If this is not possible suitable measures have to be taken to prohibit that dust can collect inside of the enclosure At disassembly take extra care that the sealing parts like...

Страница 11: ...th life time lubrication From size 315MX upwards they are equipped with relubrica tion devices which can be ordered for smaller motors as option Information about bearings and relubrication can be fou...

Страница 12: ...einforced bearings are supplied with a transportation safety device The transportation safety device at the shaft end must only be removed during installation of the motor and before switching on Turn...

Страница 13: ...x 1 5 50 612 M1 EX 3 6 5 14 5 M 16 x 1 5 50 616 M EX 5 9 17 5 M 20 x 1 5 50 620 M1 EX 6 12 22 7 5 M 20 x 1 5 50 620 M EX 9 13 22 7 5 M 25 x 1 5 50 625 M EX 11 16 27 10 M 32 x 1 5 50 632 M EX 14 21 34...

Страница 14: ...14 08 2017 50229 01 EU Declaration of Conformity according to EU Directive 2014 34 EU...

Страница 15: ...b IIIC TX C Db 0637 II 2G II 2D Ex db IIC T3 T6 or Ex db IIC T3 T6 Gb or Ex d IIC T3 T6 or Ex d IIC T3 T6 Gb or optionally Ex tb IIIC T200 C T85 C Db 0637 II 2G II 2D Ex db eb IIC T3 T6 or Ex db eb II...

Страница 16: ...roup com High voltage department Fon 49 351 208 3237 Fax 49 351 208 1108 E mail high voltage vem group com Drive systems department Fon 49 351 208 1154 Fax 49 351 208 1185 E mail drive systems vem gro...

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