Description
34 9229 9992 176 0D
2013-07-08
Rating plate
Technical data
Vacuum circuit-breakers with one phase per interrupter
Fig. 45 Technical data - connection of one phase per interrupter
Fig. 44 Example - vacuum circuit-breaker rating plate 3AH37/38
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
o Mass m
p Rated operating sequence
r Classification to standard
Q
600806
Kontr
Made in Germany
Classification to IEEE C37.013, IEC 62271-100: E2, M2, C2
Rated operating sequence: CO - 30 min - CO
Type 3AH3818-8
No. S 3AH3/90004711
U
r 17.5 kV, 50/60 Hz
U
d/Up 50/110
I
sc 63 kA
kV
Year of manufact. 2006
I
r 4000 A
t
k 3s
m 320 kg
9992-16_en
r
p
o
n
m
k
i
b
a
c
d, e
f
g, h
Rated voltage* U
r
kV 17,5 24
Rated operating current I
r
A 3150, 4000, 5000, 6300
Rated lightning impulse withstand voltage (peak value) U
p
kV 110 125
Rated power frequency withstand voltage (effective value) U
d
kV 50
Rated short-circuit breaking current I
sc
kA 50, 63,72
Distance between pole centres mm 275, 300 300
Rated operating sequence A, B A, B
A O - 3 min - CO - 3 min - CO; operating sequence with and without load
B CO - 30 min - CO; operating sequence in the event of short-circuit current
* In the event of a rated frequency f
r
of 50/60 Hz