500-8067.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * Revision 03 21
Description
Auxiliary switch (option) • For circuit-breaker: 6NO + 6NC, free contacts thereof 2NO + 2NC + 2 changeover,
depending on equipped releases
• For disconnector: 6NO + 6NC, free contacts thereof 2NO + 2NC + 2 changeover
Position switch (option) • For "closing/opening spring charged" indication
Interlock between circuit-
breaker and disconnector
• Operating mechanism with mechanical interlocking
• Mutual interrogation between circuit-breaker and three-position disconnector
• During operation of the three-position disconnector from CLOSED to OPEN and from
EARTHED to OPEN, the vacuum circuit-breaker cannot be closed
• When the circuit-breaker is closed, the three-position disconnector is interlocked
Gas pressure monitoring
(option)
• Free contacts: 1 NO
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