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I N S TA L L AT I O N A N D O P E R AT I N G I N S T R U C T I O N S
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2. General description
SafeRing XT/SafePlus XT is a SF
for applications in medium voltage distribution networks.
SafeRing XT/SafePlus XT offers a sealed stainless steel tank
which contains all the live components and switching
functions. The transformer is protected by a vacuum circuit-
breaker.
The units are delivered from the factory ready for
installation.
SafeRing XT/SafePlus XT can be supplied as a 1, 2, 3, 4 or
5 -way unit in standard configurations with additional
equipment according to customer specifications.
Available configurations: Ex- +CC+, +CCC, +CCV, CCCC,
CCCV, +CCVVV+.
SafeRing XT/SafePlus XT has a unique flexibility due to its
extendibility and the possible combination of fully modular
and semi-modular configurations, with a maximum of 5
modules in one SF
tank. The units are delivered from the
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factory ready for installation. Routine tests are carried out
on all units/ modules before dispatch.
No special tools are required for installing the equipment.
Available modules are:
•
C - Cable switch
•
D - Direct cable connection
•
V - Vacuum circuit-breaker
•
M -Metering cubicle
insulated Ring Main Unit
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SafeRing XT/SafePlus XT with vacuum circuit-breaker in
compliance with IEC62271-100
With this unit the transformer will be protected by a vacuum
circuit-breaker combined with relays and current
transformers. The standard relays are based on digital
technology and do not require an external power supply.
Further information can be found in the product catalogue
for SafeRing XT/SafePlus XT.
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Figure 2.1
SafeRing XT/SafePlus XT 3-way unit +CCV+
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