SIRIUS 3RA21/22 load feeders   
6.6 Mounting 
  SIRIUS Innovations 
572  System Manual, 01/2011, A8E56203870002-03 
6.6  Mounting 
6.6.1  Installation guidelines 
6.6.1.1  Minimum clearances (400 V AC) 
The following clearances must be maintained when installing the combinations: 
Table 6- 7  Installation instructions for 400 V AC 
Motor starter protector  
in combination with contactors 
Clearance from grounded or live parts as well as from molded-plastic 
cable ducts according to IEC 60947-4 
Motor 
starter 
protector 
Contactor  Rated operational 
voltage 
Y 
mm 
X2
1)
 
mm 
Z 
mm 
 
3RV2.1  3RT201  400   20  10  9   
3RV2.2  3RT201  400   30  10  9   
  3RT2.2  400   30  10  9   
 
3RV2...
3RT2...
1L1 3L2 5L3
2T1 4T2 6T3
1L1 3L2 5L3
2T1 4T2 6T3
3RV2...
3RT2...
Z
Y
Z
X2
 
1)
   Minimum clearance from contactor at the front. There is no minimum clearance requirement at the front for the motor 
starter protector.