Description
9229 9923 176 0B 27
2013-09-09
Rating plate
Technical data
Fig. 29 Technical data
Dimensions and weights
The dimensions of the vacuum circuit-breaker module can be taken from the rele-
vant dimension drawing. If required, these are available from your sales represent-
ative.
The weight is given on the rating plate of the vacuum circuit-breaker module (see
Fig. 28) or can be taken from the relevant dimension drawing.
Fig. 28 Example – vacuum circuit-breaker module rating plate 3AK
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 Year of manufacture
m Rated operating current I
r
n Rated short-circuit duration t
k
oMass m
p Rated operating sequence
r Classification to standard
Rated voltage* U
r
kV 7.2 12 17.5 17.5
Rated operating current I
r
A 1250, 2000, 2500, 3150, 4000**
1250, 2000,
2500
Rated lightning impulse withstand voltage (peak
value) U
p
kV 60 75 95 95
Rated power frequency withstand voltage (effective
value) U
d
kV
20 (32,
42***)
28 (42***) 38 (42***) 38 (42***)
Rated short-circuit breaking currentI
sc
kA 40/50 40
Distance between pole centres mm 210 210
Rated operating sequence A B
A O - 3 min - CO - 3 min - CO
B CO - 30 min - CO
* In the event of a rated frequency f
r
of 50/60 Hz
** 4000 A only with additional cooling
*** On request
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