Many international customers will procure their own
traffic cabinets locally to save
on hardware and shipping costs. However, Zwiesler
Resources is prepared to source complete,
ready-to-run traffic cabinets with all hardware and
software to control
For the basic
hardware, a 30 x 30 x 30 cm traffic cabinet may be
adequate. Such a compact cabinet can be pole mounted
and is suitable for narrow streets. Traffic cabinet
size requirements will depend on the number of
detectors, modems and other traffic control equipment
that may be used in the intersection.
The cabinet will need
an AC (or DC) voltage source controlled
by a circuit breaker, plus a provision for grounding.
A surge suppressor is recommended.
The signal field wires can be terminated directly on
the power boards, unless there is a requirement that
they first be terminated on separate
The cabinet should be ventilated
and be rain-proof to NEMA-3 (IP-64).