Three-phase step transformers

DSST

 
dsst.jpg
Three-phase step transformer according to DIN EN 61558, VDE 0570, part 2-13. Common input and output coils. Coil without galvanic separation. Connections: Terminals with screwed connection, prepared for safety class I, 50/60 Hz, ta 40°C, dip impregnation, horizontal mounting, colour green RAL 6004. 
Special voltages
UPRI: 400 V
USEC: 120 - 400 V
Red Art.-No. available ex stock
Order specifications
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Output 
Article-no. for standard transformers 
Dimensions 
Weight 
Nenn-
strom
PRI
3 x 400 V
PRI
3 x 400 V
PRI
PRI

a

b

c

d

e

f
Ø

Cu
kg
Ges.
kg
 
A

SEC
3 x 120..400 V
SEC
3 x 180..400 V
SEC
SEC

 



 
2,75
 

719421 
719429 
 
 

206
192
110
184
120
7
   

2,6 
7,4 
 
5
 

719422 
719430 
 
 

206
192
130
184
120
7
   

4 
11,8 
 
7
 

719423 
719431 
 
 

254
230
120
228
152
7
   

5,7 
15,5 
 
9
 

719424 
719432 
 
 

254
230
144
228
152
7
   

6,1 
19,5 
 
11
 

719425 
719433 
 
 

290
258
130
258
176
9
   

9,5 
24,5 
 
18
 

719426 
719434 
 
 

290
258
156
258
176
9
   

13,1 
36,5 
 
24
 

719427 
719435 
 
 

330
285
152
298
200
9
   

14,3 
39,8 
 
35
 

719428 
719436 
 
 

394
332
158
358
240
9
   

21,1 
55,9 
 
Note:
Three-phase step transformer according to DIN EN 61558, VDE 0570, part 2-13. Common input and output coils. Coil without galvanic separation. Connections: Terminals with screwed connection, prepared for safety class I, 50/60 Hz, ta 40°C, dip impregnation, horizontal mounting, colour green RAL 6004.
Options:
* Secondary standard transformation: 3 x 120 - 180 - 230 - 280 - 400 V or 3 x 180 - 230 - 280 - 330 - 400 V * These transformers are suitable as in-line transformers for electrical consumers, E.g. Speed control of 3-phase ventilated motors.
 
Wiring Diagram

dsst.jpg
 
Dimensions

dsst.jpg
 

Column #col3

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