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GenPro
Power Services
P.O.
Box 1116
Rapid City, South Dakota 57709-1116
Sales Contact:
Toll Free: 888.861.8984
Ph: 605.341.6160
Fax: 605.341.9791
Contact
Us
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| ZENITH ZBTSCT
CLOSED TRANSITION BYPASS ISOLATION SERIES AUTOMATIC TRANSFER
SWITCH |
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Description
The ZBTSCT Closed
Transition Transfer Switch may be outfitted with a
bypass-isolation switch for the utmost in reliability and
versatility. The ZBTSCT Series provides the ability to
withdraw the transfer switch unit for maintenance or
inspection.
Using the proven
switching technology of the ZTS/ZTSD Series of transfer
switches, combined with controls developed during GE
Zenith Controls' years of experience, the ZBTSCT Series
allows an overlap of normal and alternate sources of less
than 100 milliseconds.
When conditions are
sensitive to generator voltage drop or frequency dips, GE
Zenith Controls can provide a variation of the closed
transition method of transfer that combines the attributes
of a ZTSCT with generator paralleling switchgear. This
method of transfer requires greater coordination with the
utility company and, typically, more sophisticated relay
protection schemes. We suggest you specify option SL on
your ZBTSCT (SL) unit and consult your GE Zenith Controls
representative early in the project cycle to ensure proper
application.
Features and Benefits
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Incorporates
the applicable features of the ZTS and ZBTS Series
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Source parallel
time of less than 100 milliseconds
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Closed
transition operation (no power interruption) during
transfer and retransfer when sources are within
specified parameters
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Open transition
transfer operation is initiated upon a source failure
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1Available in
ZTSCT (utility-generator), ZTSCTU (utility-utility),
ZTSCTM (manual) configurations
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Transfer switch
is located on a draw-out mechanism to facilitate
maintenance
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Emergency power
systems can be electrically tested without disturbing
the load
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Power cables do
not have to be disconnected to remove transfer switch
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Bypass to any
available source with transfer switch removed
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Engine start
circuit maintained during bypass operation; normal
power failure causes engine start contact closure even
with the ATS removed
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nDiagnostic
lights and detailed instructions for simple
step-by-step operation
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Mechanical and
electrical interlocks ensure proper sequence of
operation
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nBypass switch
contacts are closed only during the bypass-isolation
operation
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Silverplated
copper bus interconnection of the transfer and bypass
switches on all sizes
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Product Scope
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Ratings 100 to
4000 amperes
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2, 3 or 4
poles
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Open type, NEMA
1, 3R, 4, 4X and 12
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Available in
Transfer Switch (ZTSCT) or ZBTSCT (transfer/bypass
switch) styles
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Suitable for
emergency and standby applications on all classes of
load, 100% tungsten rated through 400 amps
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kUL 1008 listed
at 480 VAC
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CSA certified
at 600 VAC
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IEC listed 480
VAC
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Corporate Headquarters
GenPro
Power
Services
2121 Rand Road, PO Box 1116, Rapid City, SD
57709-1116
Ph: 605-341-6160 Fax:
605-341-9791
www.genpropower.com
© 1997-2008 GenPro Power
Services - All Rights Reserved
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