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Xenon beacon - SM87HXB & SM87XBT
English
1.0 Introduction
These xenon beacon units have been designed for use
in flammable atmospheres and harsh environmental
conditions. The marine grade alloy or stainless steel
enclosures are suitable for use offshore or onshore, where
light weight combined with corrosion resistance and strength
is required. The XBT model consists of two separate units,
the electronic assembly mounted in one unit and the
xenon beacon tube assembly mounted in another, thus
enabling the tube assembly to be used in an ambient
temperature of up to 85°C.
2.0 Installation
General
When installing and operating explosion-protected
equipment, requirements for selection, installation and
operation should be referred to e.g. IEE Wiring Regulations
and the ‘National Electrical Code’ in North America.
Additional national and/or local requirements may apply.
Ensure that all nuts, bolts and fixings are secure.
Ensure that only the correct listed or certified stopping
plugs are used to blank off unused gland entry points and
that the NEMA/IP rating of the unit is maintained.
The beacon is mounted via the 4 off Ø9mm fixing holes in
the base of the unit. The fixing holes have been designed
to accept an M8 screw or bolt.
Eaton recommend the use of stainless steel screws.
The unit has been designed and certified to operate at
any attitude
Cable termination
CAUTION: Before removing the cover assembly,
ensure that the power to the unit is isolated and gas
and/or dust atmospheres are not present.
Unscrew the 4 off screws (5mm A/F hexagon key) holding
the cover assembly to the base. Keep screws in a safe
accessible place as they are not retained in the cover.
Gently twist the cover clockwise and anti-clockwise whilst
pulling it away from the base of the enclosure to gain
access to the interior.
Cable termination should be in accordance with
specifications applying to the required application. Eaton
recommends that all cables and cores should be correctly
identified. Please refer to the wiring diagram provided
with the product.
Ensure that only the correct listed or certified cable
glands are used and that the assembly is shrouded and
correctly earthed.
All cable glands should be of an equivalent NEMA/IP
rating to that of the beacon and integrated with the unit
such that this rating is maintained.
The internal earth terminal, where fitted, must be used
for the equipment grounding connection and the external
terminal is for a supplementary bonding connection
where local codes or authorities permit or require such a
connection.
Once termination is complete, carefully lower the cover
assembly back onto the base, avoiding damage to the
mating surfaces. Ensure the o-ring is correctly seated in
its groove during re-assembly. Replace and evenly tighten
the 4 off cover screws. Ensure the required gap (0.15mm
max.) is maintained between the cover and the base.
Purchaser/ Customer should make Eaton aware of any
external effects or aggressive substances that the equip-
ment may be exposed to.
Ensure equipment is protected from direct dust laden
airflow which may cause charge transfer.
3.0 Operation
The operating voltage of the unit is stated on the
certification label. The beacon can be initiated either
directly or remotely depending on the type ordered.
Please see the wiring documentation supplied with the
unit for further information.
General arrangement
Xenon beacon - SM87HXb & SM87XbT- drafT 1
TM001 Issue J February 2023 www.eaton.com
