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Edition 07.2010                                                                                                                                             VEM-Ident-No. 73753 01en

 

 
 
 
 

 

 
 
 

Additional  

Installation, Operating and  

Maintenance Instructions

 

 
 
 
 
 

 
 

Water Cooled Three-Phase Asynchronous Motors 

with squirrel-cage rotor for low voltage applications 

 

 
 

Translation 

 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

 
 
 
 
 

Type series 

K21B/K23B

 

WE1B//W21B/W41B

 

 

Motors that comply with the Regulation 2005/32/EC 
and the order No. 640/2009 receive the marking IEx 
before the type designation, whereas x= 1,2,3 (acc. to 
EN

 

60034-30). (Example IE1-K21R 132 S4)

 

 

Summary of Contents for K21B Series

Page 1: ...ee Phase Asynchronous Motors with squirrel cage rotor for low voltage applications Translation Type series K21B K23B WE1B W21B W41B Motors that comply with the Regulation 2005 32 EC and the order No 6...

Page 2: ...by the supplier Symbols In this manual two symbols will be used that indicate important passages Security and warranty advices possible damage to persons included Warning against electric voltage dan...

Page 3: ...nd shield 25 45 75 170 275 Bearing cover 5 8 15 20 20 Terminal box 4 7 5 12 5 20 Engineering design Up to size 280 the housing of the motor is manufactured as grey cast iron housing with cast in cooli...

Page 4: ...freezing of the cooling water inside the motor must be prevented For that purpose the cooling water can be drained off or an anti freeze must be added to the cooling water respectively before storage...

Page 5: ...xits from the air relief hole The filling procedure must be done carefully to make sure that no air remains inside the cooling circuit Then the air relief hole must be closed Again an appropriate seal...

Page 6: ...ero potential For design versions with condensate drain hole please observe that the drain plug screw has to be lubricated with a suitable sealant for example Epple 28 before relocking Spare parts Exc...

Page 7: ...dard design surface cooled motors are adapted for both rotational directions The connections U1 V1 W1 at phases L1 L2 L3 in alphabetical or natural order result always in clock wise rotation The sense...

Page 8: ...Additional Installation Operating and Maintenance Instructions Translation English Edition 07 2010 VEM Ident No 73753 01en 8...

Page 9: ...nance Instructions Translation English Edition 07 2010 VEM Ident No 73753 01en 9 VEM motors GmbH Carl Friedrich Gau Stra e 1 D 38855 Wernigerode phone 49 0 39 43 68 0 fax 49 0 39 43 68 21 20 email mot...

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