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MOU NTI NG A N D OPE R ATI ON M A N UA L
I N D O O R A I R S W I TC H - D I S CO N N EC TO R , N A L /N A L F/ V R
Unload the switch-disconnectors from the vehicle
with the utmost care. Immediately check the
condition of the packaging as soon as the switch-
disconnectors arrive. Make sure that the
apparatus is undamaged and that the data on the
nameplate on the outside of the packaging
corresponds to the information on the order
confirmation and shipping note. If damage or
discrepancies are discovered, or the documents
supplied with the goods fail to correspond,
immediately inform ABB (either directly, or
through your representative or supplier) and the
haulage contractor that made the delivery. The
switch-disconnectors are supplied solely with the
accessories specified at the time of order and
validated in the order confirmation by ABB.
If immediate installation is not possible, please
store covered indoors, in a well-ventilated, dry,
dust-free, non-corrosive atmosphere, away from
any easily flammable materials and at a
temperature between – 5 °C and + 45 °C. Please
consult us if special requirements are involved.
• In any case, avoid any accidental impacts or
positioning which stresses the structure of the
apparatus.
• Check the apparatus condition directly after
receipt. Any damages should be reported to the
transporter forwarder and manufacturer,
• Make sure that the product is complete and
complies with the order.
• Be careful during transportation of apparatus.
• Never lift apparatus by grabbing current knives,
main shaft or insulators, because it may cause
switch damage.
• Before installing, keep switches only in original
boxes and store it as it indicated on the boxes.
• In order to unpack the switch, remove all the
packaging elements first. After that remove the
switch from the box using straps fixed to upper
frame plate. Do not use chains, because it may
cause damage to the apparatus.
6.1 Switch-disconnector type NAL/NALF/VR,
alternative assemblies
The switch-disconnector NAL/NALF/VR is
supplied by the factory as follows:
• Fully assembled with mechanism and
auxiliaries. See item “Installation”
• The following versions are available:
- NAL – IEC/CSA standards as line switch-
disconnectors
- NALF – IEC standard as switch-fuse
combination
- NALFO- IEC standard as switch-fuse
combination with fuse base above hollow
insulators
- NAL-H – IEC standard as line switch-
disconnectors for harsh operating conditions.
- NALF-H – IEC standard as switch-fuse
combination for harsh operating conditions.
- VR – VersaRupter the NAL version for IEEE
standard
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6.0 Recommendations for receipt,
handling and storage of equipment
