Siemens 3AH3 - Rating Plate and Technical Data

35
Rated maximum
voltage kV
Interrupting class
MVA
Rated short-circuit current
Vacuum
interrupter type
Graph
Right hand limit
of curve (refer to
Figure 21)
1
4.76 250 29 kA @ 4.76 kV; 36 kA @ 3.85 kV
VS-17006
VS-17040
A
E
36
36
4.76 350 41 kA @ 4.76 kV; 49 kA @ 4.0 kV VS-15052 B 49
8.25 500 33 kA @ 8.25 kV; 41 kA @ 6.6 kV VS-15052 B 41
15.0 500 18 kA @ 15.0 kV; 23 kA @ 11.5 kV VS-17006 A 23
15.0 750 28 kA @ 15.0 kV; 36 kA @ 11.5 kV
VS-15052
VS-17040
B
E
36
36
15.0 1,000 37 kA @ 15.0 kV; 48 kA @ 11.5 kV VS-15052 B 48
38.0 1,500 21 kA @ 38.0 kV; 35 kA @ 23.0 kV VS-30030 D 35
Rated maximum
voltage kV
Interrupting class
kA
Rated short-circuit current
Vacuum
interrupter type
Graph
Right hand limit
of curve (refer to
Figure 21)
1
4.76 31.5 31.5
VS-17006
VS-17040
A
E
31.5
31.5
4.76 40 40
VS-15052
VS-17040
B
E
40
40
4.76 50 50 VS-15052 B 50
4.76 63 63 VS-17085 F 63
8.25 40 40
VS-15052
VS-17040
B
E
40
40
15.0 20 20 VS-17006 A 20
15.0 25 25 VS-17006 A 25
15.0 31.5 31.5
VS-17006
VS-17040
A
E
31.5
31.5
15.0 40 40
VS-15052
VS-17040
B
E
40
40
15.0 50 50 VS-15052 B 50
15.0 63 63 VS-17085 F 63
15.5 20 20 VS-25008 C 20
15.5 25 25 VS-25008 C 25
15.5 31.5 31.5 VS-15052 B 31.5
15.5 40 40 VS-15052 B 40
27.6 20 20 VS-25008 C 20
27.6 25 25 VS-25008 C 25
38.0 20 20 VS-30030 D 20
38.0 25 25 VS-30030 D 25
38.0 31.5 31.5 VS-30041 D 31.5
38.0 40 40 VS-30041 D 40
Table 3: Typical vacuum interrupter contact life expectancy
Footnote:
1.
Maximum symmetrical interrupting current rating of circuit breaker (refer to Tables 11 and 12).