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The HE1700RS has been
specifically designed for use on
type 170 controllers although it may
be used on NEMA controllers. Because
of the high quality of this
protector, it may be used as a
stand-alone device without the use
an external line filter. If an
external line filter is required, it
is recommended that a HESCO/RLS line
filter be used.
The HE1700RS is a multi-stage,
high-energy suppressor that
incorporates a sophisticated, inline
EMI/RFI filter. The inline filter
has been designed to effectively
reject random noise and spikes from
10KHz to 25MHz. The primary and
secondary clamp stages are separated
by an inductive network, yet work
together to give clamp voltages of
under 250 volts at 20KA (8 x 20us).
If random data base memory loss
or any other transient interference
is effecting the safe operation of
one or more of your intersections,
the HE1700RS surge protector will
quickly and effectively eliminate
the problem.
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