500-8067.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * Revision 03 35
Description
7.10 Ready-for-service indicator
The switchgear is filled with insulating gas at a relative pressure. The ready-for-service
indicator at the switchgear front shows through the red/green indication if the gas
density is in order.
Features • Self-monitoring, easy to read
• Independent of temperature and external pressure variations
• Independent of the site altitude
• Only responds to changes in gas density
• Option: Alarm switch "1NO" for remote electrical indication
Fig. 27: Ready-for-service indicator
a
Indication: "ready for service"
s
Pointer
d
Green
f
Red
g
Indication: "not ready for service"
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