500-8067.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * Revision 03 43
Description
Motor operating
mechanism
The rated current of the motor protection equipment is shown in the following table:
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
For make-proof earthing switch
Rated supply voltage V Recommended rated current for the
protection equipment A
DC/AC 24/30/32 4
DC/AC 48 2
DC/AC 60 1.6
DC/AC 100/110/120/125/127 1.0
DC/AC 220/230/240/250 8
Control voltage (including releases) is generally protected with 8A.
Rated voltage U
r
kV 7.2 12 15 17.5 24
Rated normal current I
r
A 250, 630
Number of operating cycles, mechanical /
Classification
n 1000 / M0
Rated voltage U
r
kV 7.2 12 15 17.5 24
Rated short-circuit making current I
ma
A
63
1)
50
Number of short-circuit making operations /
Classification
n 5 / E2
1)
52.5 kA at 60 Hz
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