SIRIUS 3RV2 motor starter protectors 
  4.6 Mounting 
SIRIUS Innovations 
System Manual, 01/2011, A8E56203870002-03 
401 
4.6  Mounting 
4.6.1  Standard mounting 
4.6.1.1  Minimum clearances and mounting position 
Minimum clearances 
The following clearances from grounded or live parts and from cable ducts made of molded 
plastic must be observed in compliance with IEC 60947-2 when mounting motor starter 
protectors. 
/
=
59 59
=
<<
/ /
7 7 7 7 7 7
/ / /
 
Figure 4-3  Clearances from grounded or live parts 
Table 4- 7  Installation guidelines for motor starter protectors 
U
e
 [V]  Y [mm]  Z [mm] 
240  30  9 
400  30  9 
440  30  9 
500  30  9 
690  50 / 70
1)
  30 
1)
  Up to and including the setting range of 32 A, the required clearance above and below is 50 mm; 
for the 36/40 A setting range, the clearance is 70 mm. 
 
Note 
Terminal block type E 
In conjunction with type E terminal block 3RV2928-1H the applicable lateral clearance is 
30 mm for all voltages. 
Mounting position 
The mounting position of 3RV2 motor starter protectors can be selected at will.