ServerTech Sentry Fail Safe Transfer Switch PTXL (PTXL-HF16)
Sentry provides SSL and SSH security protocols for
true encrypted access security.
The Sentry Power Tower XL (PTXL) Fail-Safe™ provides fail-over
redundancy to single or dual-power supply servers and network devices.
Exclusive to the Power Tower XL Fail-Safe is its ability to carry loads
on the A circuit, B circuit or both and to remotely manage the outlets.
Similar, but unlike a common automatic transfer switch, the Power Tower
XL Fail-Safe unit is unique in that it contains two (2) in-feeds and two
(2) banks of eight (8) outlets each, for a total of 16 outlets across
the two circuits.
The Power Tower XL Fails Safe's “A” in-feed routinely powers just the
A1-8 outlets, and the “B” in-feed routinely powers just the B1-8
outlets. However, if the “A” in-feed goes down, the “B” in-feed powers
all 16 outlets and the same if the “B” in-feed goes down, The transfer
occurs in fewer than 18 milliseconds, which is faster than the
interruption rate of the attached equipment.
This new “Fail-Safe” method has several advantages compared to a
standard ATS because it does not prohibit load balancing between the two
supplied circuits. A standard ATS contains two-in-feeds, but runs all
outlets from just one source, with the secondary source only being used
once an outage occurs on the capacity. This results in less heat, less
resistance, and consequently less of a voltage drop compared to the same
load existing on just one source. Only when an outage occurs on one of
the two sources will the entire load be applied to a single source.
| 
|
