Installation and maintenance instructions UniGear type ZS2 UniSafe-36 1YTW571780-012 Rev:E 01-2005 en Page: 23 of 25
4.3 Withdrawable Voltage Transformer
!
CAUTION! For safety reasons VT-racking shall be done behind the closed door.
!
CAUTION! The voltage transformers must not be accessable while they are in connected position.
The compartment door of the voltage transformer should have caution label and locked by pad-lock so that
only authorized maintenance
personnel can open.
The V.T. positions and racking are in the same order with a CB. The same trolley and racking handle is
used for CB’s and VT’s
For possible replacement please note the exact electrical data and article number of the primary fuses
during order correspondance.
Fig:4.4.1 VT in SERVICE
(connected) position
Fig:4.4.2 VT in TEST
(disconnected) position
Fig:4.4.3 VT WITHDRAWN
(removed) position view of
contact
4.4 Fixed Voltage Transformer, cable circuit
!
CAUTION! Before access to VT’s in cables compartment the circuit must be earthed.
The cables compartment have bolted cover which only authorized maintenance personnel can open.
For possible replacement please note the exact electrical data and article number of the primary fuses
during order correspondance.
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