Rating Plate; Technical Data - Siemens 3AH41 Operating Instructions Manual

Fig. 42 Example – vacuum circuit-breaker rating plate 3AH4
Rated voltage* U
r
Rated operating cur-
rent I
r
Rated lightning impulse
withstand voltage (peak
value) U
p
Rated power frequency
withstand voltage
(effective value) U
d
Rated short-circuit
breaking currentI
sc
Distance between pole
centres
Rated operating
sequence
mechanical operating
cycles in thousands
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2013-08-28

Rating plate

Technical data

kV 12
1250,
1600,
1250, 1250,
A 2000,
2000 2000
2500,
3150
kV 75
kV 28
kA 31.5 40 31.5
mm 210
B A B
A O - 3 min - CO - 3 min - CO
B O - 0.3 s - CO - 3 min - CO
* In the event of a rated frequency f r of 50/60 Hz
** with ordering option M30/M60
Fig. 43 Technical data
15 17.5
1250, 1250,
1600, 1600,
1250,
2000, 2000,
2000
2500, 2500,
3150 3150
95 95
36 38
40 31.5 40
210 210
A B A
30/60**
Description
a Manufacturer
b Type designation
c Works serial number
d Rated voltage U r
e Rated frequency f r
f Rated short-circuit breaking current I sc
g Rated power frequency withstand
voltage U d
h Rated lightning impulse withstand
voltage U p
i Quality control seal
k Ordering option operating cycle number
M30/M60
m Year of manufacture
n Rated operating current I r
on Rated short-circuit duration t k
p Mass m
r Rated operating sequence
s Classification to standard
24
1250,
2000,
1250, 1250,
2500 2500,
2000 2000
3150,
4000
125 150
50 60
25 40 25
210/
275 275
275
B A B
30/60
120
**
36
2500,
3150,
4000
170
70
31.5 40
350
B A
120
33