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CATALOGUE CARD 

K4-15-113 

ISSUE

    

  3 

 

MINING INDUCTION MOTORS 

SG3 355X-4 

PAGE

      

1/1 

 

File No: 200 kW,3300V,  SG3 355X-4.doc/2005 
Translated by: PTU -DAMAR- Sosnowiec 
 
 

APPLICATION  

The one –speed motors of  SG3 355X-4 type are intended for driving mining machines and equipment, and  
especially for driving cutting units of combined cutter loaders. 
The motors can be used in underground parts of mines and surface installations of the mines, where there are 
possible explosion conditions for methane and/ or coal dust. 
There is also possible to opearte the motors in the surroundings where the explosion-proof equipment is not required.  

CHARACTERISTIC FEATURES OF MOTORS 

• 

Induction 3-phase motors with welded double squirrel-cage rotor, 

• 

Explosion-proof construction with flame-proof casing of motor „d”  - mark 

 I M2 EExd I, equipment  ranked as  

group I of category M2 according to Directive 94/9/WE, 

• 

The degree of protection IP 55 acc. to PN-EN 60034-5:2002U, 

• 

The motors are cooled by water flowing through the channels in body, 

• 

The form of execution: flanged execution – IM 3001(B5), flange FF600 or FF740, 

• 

Basic voltage execution: 3300V – 50Hz 
After settlement  it is possible to execute the motors for other voltage and frequency of 50/60Hz, 

• 

Class of insulation: class F – primary execution, class H – execution against order,  

• 

Thermal protection of motors: bimetal sensors NC or posistor PTC sensors in winding and bearing nodes – two 
identical circuits – basic and stand-by, 

• 

Thermometric resistors Pt100 are built in  winding and bearings  for temperature control, 

• 

Two-inlet terminal box with cable inlet  Wk3u/d... produced by Damel for feeder cable and inlet 54232...-M36 
produced by Gothe for conductor with auxiliary circuits, 

• 

The motor is equipped with the final link of protection conductor  continuity control circuit, mounted in the 
terminal box  –  primary execution: the final link CK-OA (with diode) produced by Damel,   

• 

Feeding and start-up: the motors are intended for feeding from power network – start-up by direct switching on 
the voltage,  

• 

The motors adapted for work in temperate climate; after settlement the adaptation for work in tropical climate TA 
or TH is possible. 

 

COMPATIBILITY WITH REQUIREMENTS OF STANDARDS 

The motors meet requirements of Directive 94/9/WE (ATEX), european harmonized standards and domestic 

norms: 

- norms for electrical equipment in areas of explosion hazard: 

-  EN 50014:1997+A1:1999+A2:1999 – Polish equivalent PN-EN 50014:2002U, 
-  EN 50018:2000+A1:2002 – Polish equivalent  PN-EN 50018:2002U, 
-  EN 50019:2000 – Polish equivalent PN-EN 50019:2002U, 

- norms for rotational electric machines: 

-  EN 60034-1:1998+A1:1998+A2:1999+AC:2000 – Polish equivalent  PN-EN 60034-1:2001  

- domestic norms for induction motors for mining machines: 

-    PN G-38010:1997 (domestic norm). 

CERTIFICATES 

The motors have the certificates and permissions: 
 

certificate WE No KDB 04 ATEX 0230X issued by notified Testing Station GIG KDB,  
valid on the area of European Union. 

 

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CATALOGUE CARD 

K4-15-113 

ISSUE

    

  3 

 

MINING INDUCTION MOTORS 

SG3 355X-4 

PAGE

      

2/2 

 

File No: 200 kW,3300V,  SG3 355X-4.doc/2005 
Translated by: PTU -DAMAR- Sosnowiec 
 
 

TECHNICAL DATA 

Table 1    

Parameters 

SG3 355X-4 

Rated power   P

 [kW] 

200 

Rated voltage U

N

 [V] 

3300 

Current at rated voltage I

N

 [A] 

 

44 

Power factor  cos

φ 

0,85 

Efficiency  

η  

[%] 94,0 

Rotational speed  n 

[1/min] 

1472 

Rated moment   M

N

 [Nm] 

1297 

Multiplicity of start-up current    I

k

/I

N

 

 6,0 

Multiplicity of start-up moment   M

l

/M

N

 

 2,2 

Multiplicity of critical moment   M

max

/M

N

 

 2,2 

Min. flow of cooling water  

[dm

3

/min] 15 

Mode of operation 

 

S1;  

S4-60%, 40c/h J

ext

/J

M

=1   

Rotor moment of inertia   J

M

 [kgm

2

] 2,9 

1550 

Mass of the motor          

Version A  /FF600/ 
Version B  /FF740/ 

[kg] 

1630 

1.  The parameters of motor: rated current, efficiency, power factor, rotational speed and rated moment relate to 

rated load at rated feeding conditions – 50Hz. 

2.  Multiplicities of start-up current , start-up moment and critical moment refer to direct connection of the motor to 

the supply network (mains). 

3. J

ext

 – inertia moment of motor load referred to the shaft of motor 

 

 

 

Fig.1 Diagram of motor connections    

 

Fig.2 Diagram of cooling system  

Temperature sensors bimetal NC or posistor PTC 

      Disk P         Disk N             W i n d i n g 

Thermometric resistors Pt 100 

       Disk P                   Disk N             W i n d i n g 

The diagram of connections of temperature sensors and Pt 100 

resistors 

EK - Feeder cable control general screen 

terminal 

STATOR

Water inlet 

Water outlet 

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CATALOGUE CARD 

K4-15-113 

ISSUE

    

  3 

 

MINING INDUCTION MOTORS 

SG3 355X-4 

PAGE

      

3/3 

 

File No: 200 kW,3300V,  SG3 355X-4.doc/2005 
Translated by: PTU -DAMAR- Sosnowiec 
 
 

 

 

Fig.3 Overall and assembly dimensions 

CONDITIONS OF OPERATION AND APPLICATION 

• 

Ambient temperature 

0÷40

o

• 

Relative humidity at temperature of  35

o

C 97÷100% 

• 

Height above the sea level 

≤ 1000m 

• 

Degree of corrosive aggressiveness C acc. to  PN-71/H-04651 

• 

Admissible inclination of the shaft axis to level  

≤ 30

 o

 

• 

Parameters  of cooling water at inlet of cooling system 

-  maximum temperature  

30

o

-  maximum static pressure  

3MPa 

• 

Supply voltage 

(0,95÷1,05)U

N

 

• 

Electrical terminal  
Power supply connection – mining armour conductor with rubber armour and insulation, multicore, screened for 
voltage of 1,9/3,3kV, with section area of cores selected to operating conditions. 
Connection of auxiliary circuits of temperature sensors  – auxiliary cores of feeder cable or pilot wire  with 
section area of wires up to  4mm

2

• 

Leading the armour conductors to terminal box through cable inlets selected according to the outer diameter of 
conductors acc. to table 2. 

 

 

 

 

    Table 

Type of inlet  

The range of diameters of conductors for cable inlets 

Wk3u/d80... 

34 ÷ 38  36 ÷ 40  40 ÷ 44 41 ÷ 46

44÷49  48 ÷ 53

52-57 

 

 

Wk3u/d100...  52-57 55-61 59-65 62-68 68-74 

 

 

 

 

54232...M-36 

18 ÷ 21  20 ÷ 24  22 ÷ 26 25 ÷ 28

 

 

 

 

 

 

In case the Orderer does not state the type of cable inlet together with outer diameter of conductor the motor is 
delivered with cable inlet determined acc. to Table 3, column 2. 

WATER OUTLET

Inlet Wk3u/d… 

Inlet 54232…-M36 

or stoper M36x1.5 

Water inlet 

Water outlet 

Execution

Version A/FF600/ 

Version B/FF740/ 

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CATALOGUE CARD 

K4-15-113 

ISSUE

    

  3 

 

MINING INDUCTION MOTORS 

SG3 355X-4 

PAGE

      

4/4 

 

File No: 200 kW,3300V,  SG3 355X-4.doc/2005 
Translated by: PTU -DAMAR- Sosnowiec 
 
 

OFFER FOR DELIVERIES OF MOTORS  

The producer offers motors in primary execution and in options executed against the order from offeree (additional, 
diversified equipment). 

  Tabela 3 

 

 

 

Constructional 

characteristic of  motor 

Primary execution 

Execution against order 

rated voltage 

3300V 

other voltage 

frequency 50Hz 

50/60Hz 

form of execution 

Version A - FF600 

flanged IM 3001(B5) 

Version B – FF740 

flanged IM 3001(B5) 

class of insulation 

 H  

thermal 

protection – type of sensors 

bimetal NC 

posistor PTC  

Temperature control 

– thermometric elements 

thermometric resistors Pt100 

 thermometric resistors Pt100 

cable inlets 

Wk3u/d100-62-68   

 54232.26-M36 

 Wk3u/d80... or Wk3u/d100… 

 54232...M36  

with selected gasket - see table 2 

final link  

of control circuit 

    
    CK-0A Damel  prod.    

CK … appointed by Orderer  

(acc. to catalogue card K4-15-121) 

climatic execution 

for temperate climate 

for  tropical climate TH or TA 

constructional characteristic 

other than above mentioned 

– 

acc. to settlements, it can require 

acceptance of  the unit certifying  the 

product 

 

The following items are included to the delivered motor by producer: 
- running-technical documentation ( RTD - Service Manual of the motor). 
- declaration of conformity WE

.

 

 

ORDERING PROCEDURE 

The following data should be stated in the order directed to the address of manufacturer given below: 

-  type of motor, power 
-  rated voltage and frequency   
-  motor execution: preliminary – see table 3 column 2 or execution against order, for which required equipment 

and constructional characteristic should be determined acc. to table 3 column 3. 

When ordering  we recommend to fill up the questionary „Statement of technical data of the motor...” – accessible at 
internet (web) sites and in Marketing Department of DFME DAMEL. 

The producer offers additionally: 

-   guarantee and after guarantee service, 
-   delivery of spare parts, 
-   training of employees in the range of correct maintenance and operating the motor. 

 
 

Producer reserves the right to implement to the motor changes resulting from technical progress. 

 

Dąbrowska Fabryka Maszyn Elektrycznych DAMEL S. A. 

Aleja Józefa Piłsudskiego 2, 41-300 Dąbrowa Górnicza, POLSKA, tel: (32) 262-32-30 do 39  

Faks (32) 264-34-26, 264-10-12, http: www.damel.com.pl, email: office@damel.com.pl  

 

Elaboration: „DAMEL” – TK/LP/10/2004