Position Indicators; Operations Counter; Fuse Tripped" Indicator; Spring Charged" Indicator - Siemens 8DJH Installation And Operating Instructions Manual

9.2.1 Position indicators

9.2.2 Operations counter

9.2.3 "Fuse tripped" indicator

9.2.4 "Spring charged" indicator

9.2.5 Ready-for-service indicator

500-8384.9 • Version 11 • Installation and Operating Instructions • 8DJH
Switching device
Disconnector
Switch-disconnector
Earthing switch
Circuit-breaker
One operating cycle corresponds to one closing operation and one opening operation of the
circuit-breaker.
Switching device
1)
Circuit-breaker
1)
Circuit-breaker type 1.1: Standard, circuit-breaker type 2: Option
Shows the state of the fuse-links of the switch-fuse combination.
Panel
Transformer panel
Panel
Transformer panel
Circuit-breaker panel type 2
Circuit-breaker panel type 1.1
The ready-for-service indicator shows if the gas density in the gas-insulated switchgear vessel is
in order.
Fig. 174: Ready-for-service indicator
Read the indication:
▪ Green area below the pointer: Switchgear is ready for service.
▪ Red area below the pointer: Switchgear not ready for service, do not operate.
Switch position
CLOSED OPEN
—
Number of operating cycles
Fuse not tripped
Spring not charged
1 Indication "ready for service"
2 Pointer
3 Green area
4 Red area
5 Indication
"Not ready for service"/"Do not operate"
Operation | 9
EARTHED
—
—
00007
Fuse tripped
Spring charged
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