Siemens SENTRON 3VL160X System Manual page 81

Table 6- 2 Permissible safety clearances in accordance with IEC 60947
Molded Switching
case circuit capacity
breaker
type
VL160X N, H
VL160 N, H, L
VL250 N, H, L
VL400 N, H, L
VL630 N, H, L
VL800 N, H, L
VL1250 N, H, L
VL1600 N, H, L
N: Standard
H: High
L: Very high
Figure 6-1
Figure 6-2
Table 6- 3
A:
B:
C:
D:
3VL IEC molded case circuit breakers
System Manual, 11/2013, 110 0110 - 02 DS 03
Minimum A ≤ 415 V
footprint
With or
without
covers
m
3
0,011 35 mm
0,011 50 mm
0,015 50 mm
0,036 50 mm
0,18 50 mm
0,22 50 mm
0,22 70 mm
0,264 100 mm
Safety clearances
No minimum clearance between two horizontally or vertically installed molded case
circuit breakers
Definition of the permissible safety clearances in [mm] between
Molded case circuit breakers and busbars (uninsulated and grounded metal); terminal cover
required above 600 V AC, 500 V DC
Molded case circuit breaker terminal and lower panel
Sides of the molded case circuit breaker and side panels left / right (uninsulated and grounded
metal)
Molded case circuit breaker and non-conductive parts with at least 3 mm thick insulation
(insulator, insulated bar, painted plate)
A > 415-690 V
Without With
covers covers
70 mm 35 mm
100 mm 50 mm
100 mm 50 mm
100 mm 50 mm
100 mm 50 mm
100 mm 50 mm
100 mm 70 mm
100 mm 100 mm
Installing/mounting
6.2 Mounting and safety clearances
B ≤ 690 V C ≤ 690 V
25 mm 25 mm
25 mm 25 mm
25 mm 25 mm
25 mm 25 mm
25 mm 25 mm
25 mm 25 mm
30 mm 30 mm
100 mm 30 mm
D ≤ 690 V
35 mm
35 mm
35 mm
35 mm
35 mm
35 mm
50 mm
100 mm
81