Description
12 Revision 03 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * 500-8067.9
7 Components
7.1 Three-position switch-disconnector
Features • The three-position switch-disconnector is designed for rated voltages from 7.2 kV
to 24 kV
• Switching functions as general-purpose switch-disconnector (class E3) according
to IEC/EN 60 265-1 / VDE 0670-301, IEC/EN 62 271-102 / VDE 0671-102 and
IEC/EN 62 271-105 / VDE 0671-105
• Designed as a three-position switch incorporating the functions of a switch-
disconnector and a make-proof earthing switch with the switch positions:
"CLOSED -OPEN - EARTHED"
• The function of a 2nd earthing switch is integrated in the switch-fuse combination
Fig. 4: Operation of three-position switch
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