Installation and maintenance instructions UniGear type ZS2 UniSafe-36 1YTW571780-012 Rev:E 01-2005 en Page: 19 of 25
4 OPERATING INSTRUCTION
The operators access area is in front of the switchgear. Only authorized operating personnel may access
the switchgear.
!
CAUTION! Only the Circuit breaker compartment door and Low Voltage compartment door can be
necessary to open by operator.
Do not attempt to open any other covers or shutters or screens before reading part 5 Maintenance
instruction.
4.1 Earthing Switch
!
CAUTION! Earthing switch must not be attempted for operation when it is possible that a
personnel may be in the cubicle.
OPEN
AÇIK
CLOSED
KAPALI
Fig:4.1.1
Left-top: Earth Switch Manover position indicator as should be seen on front
Left-bottom: Earth switch position indicator as should be seen from lower window
7: Key lock*for ESw at open position
8: Key lock* for ESw at closed (earthed) position
9: Key lock* to prevent CB racking-in
10+11: Handle-cover to open entrance for operating lever
12+13: Esw operating lever (Art.No: 143429-802)
*Key-locks are optional. Lock by rotating the key 180º clockwise. It is possible to remove the key only at
locked position.
Fig:4.1.2 Esw type ST US 36
Fig:4.1.3 Esw type EB W 36
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