Three-Position Disconnector - Siemens 8DJH Series Installation And Operating Instructions Manual

Motor operating
mechanism
500-8067.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * Revision 03
The rated current of the motor protection equipment is shown in the following table:
Rated supply voltage V
DC/AC 24/30/32
DC/AC 48
DC/AC 60
DC/AC 100/110/120/125/127
DC/AC 220/230/240/250
Control voltage (including releases) is generally protected with 8A.
8.3

Three-position disconnector

Three-position disconnector
Switching capacity and classification of three-position disconnectors and earthing
switches according to IEC/EN 62 271-102 / VDE 0671-102.
For disconnector
Rated voltage U
r
Rated normal current I
r
Number of operating cycles, mechanical /
Classification
For make-proof earthing switch
Rated voltage U
r
Rated short-circuit making current I
Number of short-circuit making operations /
Classification
1)
52.5 kA at 60 Hz
Recommended rated current for the
protection equipment A
4
2
1.6
1.0
8
kV 7.2
A
n
kV 7.2
A
ma
n
12 15 17.5 24
250, 630
1000 / M0
12 15 17.5 24
1) 50
63
5 / E2
Description
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