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Automatic Transfer Switch
Power transfer
switches for enabling
using redundant ac power sources
i.e. two UPS inputs, one output
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An automatic
transfer switch enables redundant UPS, backup generators, or other ac power
sources to be used for a single load. TSi Power automatic transfer switches (ATs)
are recommended when no downtime from a power outage can be tolerated. Typical
applications include Internet service providers, critical servers and telecom
equipment, and export markets with bad power. These rack-mountable units (
using below rack-mount
kits ) permit daisy
chaining with any sine wave UPS, providing unlimited redundancy using any
combination of independent (separate) ac circuits, UPS systems, PV fed ac
inverters, generator-backed ac circuits, and so on. In a sense, you can compare ATS
strategy with RAID strategy (Redundant
Arrays of Inexpensive
Disks).
Please look at the Features/Series
Table, or at the more detailed descriptions further
down, to determine
the ATs series you need. In the table, click on the
hyperlink bookmark, such
as 'ARm,' to go to that ATs series summary. If you then
want more detailed specifications, click on the underlined hyperlink.
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Automatic
Transfer Switch Table
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Automatic
Transfer Switch Features |
ATS Series |
Automatic
Transfer Switch Series
(Click on underlined hyperlink to view full brochure / specifications)
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ATs
The ATs Series static automatic transfer
switch is for enabling the use of redundant power sources, such as small
Uninterruptible Power Systems feeding industrial controls, PLC cabinets,
internet servers, telecom systems, etc. Another excellent use of the user
customizable ATs
automatic transfer switch is for photovoltaic systems used in conjunction
with dc to ac inverters and ac power generators or the electric utility
grid. Another use is as an ac generator transfer switch. The ATs Series utilizes
solid-state relays with user selectable transfer times, and allows
asynchronous power sources (Ac sources do not have to be in phase with
each other ~ especially useful in hospital, mission-critical and dual grid situations).
ATs-1000-120V-30A-40A
~Two 120vac inputs, one 120vac output, 30 amp and 40 amp
configurations.
ATs-1000-230V- 30A-40A
~Two 208V/230V/240vac inputs, one output, 30
amp and 40 amp
configurations. |
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ARm
The ARm Series automatic
redundancy module is designed to provide absolute power protection for
your mission-critical computers and equipment. It can provide
uninterrupted ac to your load even in the event of one ac source failure. ARms your critical equipment against
extended power outages and catastrophic system shutdowns caused by
accidental circuit breaker trips, UPS overload conditions, weak or old UPS
batteries, routine & preventive maintenance of UPS, accidental UPS
shut down, loose power cords, or UPS failure.
(Ac sources DO have to be in phase with
each other ~ ALWAYS. As such, these units are most often used simply as
UPS maintenance bypass switches).
ARm-1000
~ Two 120vac inputs, one 120vac output, 15 amps.
ARm-1000
~ Two 208/230/240vac inputs, one output,
10 amps. |
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ARm-FAA
Same as above ARm Series power transfer switch,
but wider and deeper enclosure to facilitate more universal
rack-mounting systems. (Ac sources
DO have to be in phase with
each other ~ Always. As such, these units are most often used simply as
UPS maintenance bypass switches).
ARm-1000FAA
~ Two 120V ac inputs, one 120V output, 15A. |
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Rack-mounting
Kits
Rack-mounting kits enable TSi's ARm and ATs automatic transfer switches to be placed virtually
anywhere that fits your space considerations. This includes desktop
and floor mount options. If a rack mount configuration
is what you require, TSi's ARm-FAA and ATs systems are designed to accommodate
most standard component rack enclosures. With a simple rack mount kit
option, you can place your ARm or ATs automatic transfer switch, rack-mountable UPs, and/or INv, in either a 19", 23", and 24" rack and
facilitate the space requirements of your systems, not the ARm or ATs
transfer switch, XINv inverter,
or XUPs/UPs.
Rack-Mount Kits |
TSi Power also manufactures
custom automatic transfer switches. Please call for more info.
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