Electromagnetic Interlocks (Optional)
Electromagnetic blocking coils can be used for inter-panel as well as intra-panel interlocks:
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The circuit-breaker ON and OFF pushbuttons are blocked.
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Manual actuation of the disconnector truck is blocked.
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Manual actuation of the earthing switch is blocked.
 WARNING |
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HAZARD OF IMPROPER OPERATION
Locking of the switchgear interlocking must be complete
to avoid malfunctions.
Failure to follow these instructions can result in death, serious injury, or equipment
damage.
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NOTE:
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In case of failure of the supply voltage, all electrical interlocks are in the ”locked” position. Measure: Re-establish supply voltage.
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Note the purchase contract and the switchgear specific circuit diagram as regards the design of the interlocking systematics.
| NOTICE |
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Hazard of incorrect operating conditions
If no blocking coils are being used for the locking devices,
a mechanical lock-out with cylinder or U lock must be provided.
Failure to follow these instructions can result in equipment damage.
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