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Bulletin 855XH Horn
Mounting screws not provided
Vis de montage non-fournis
Befestigungsschrauben sind im Lieferumfang nicht enthalten
Viti di montaggio non incluse
Parafusos para montagem não são fornecidos
No se incluyen los tornillos de montaje
Access to the Enclosure
ATTENTION
WARNING– High voltage may be present,
risk of electric shock. DO NOT open when
energized, disconnect power before
opening.
To access the enclosure, remove the four M4 posi pan head crews, M4 spring and flat washers and withdraw the cover.
(Appropriate cable entry devices to
be customer supplied)
To replace cover, check that the O-ring seal is in place. Carefully push the cover in place. Insert and tighten down M4 screws, spring
and flat washers in the order shown above.
Selection of Cable. Cable Glands, Hole Plugs & Adapters
When selecting the cable size, consideration must be given to the input current that each unit draws, the number of units on the line
and the length of the cable runs. The cable size selected must have the necessary capacity to provide the input current to all of the
units connected to the line.
The dual entries include (1) M20 x 1.5 thread and (1) ½" NPT thread
To maintain the ingress protection rating and mode of protection, cable entries must be fitted with suitably rated, certified cable entry
and/or blanking devices (hole plugs) during installation. If conduit is used for installation, seal conduit within 18 inches (45cm) from
the enclosure.
For ambient temperatures over +40ºC the cable entry temperature may exceed +70ºC or the cable branching temperature may
exceed +80ºC. Therefore suitable heat resisting cables and cable glands must be used as per table below
Ambient Temp.
40ºC
Min. Rating of cables
90ºC
and cable glands
If a high IP (Ingress Protection) rating is required, then a suitable sealing washer must be fitted under the cable glands or blanking
plugs.
For use in explosive dust atmospheres, a minimum ingress protection rating of IP6X must be maintained.
For use in explosive gas atmospheres, a minimum ingress protection rating of IP54 must be maintained.
Publication 855X-IN002A-EN-E- August 2019
45ºC
50ºC
55ºC
95ºC
100ºC
105ºC
WARNING – Hot surfaces. Burn hazard.
External surfaces and internal components
may be hot after operation, take care when
handling the equipment.
M4 Flat Washer
M4 Spring Washer
M4 Hex Cover Screw
20 lb-in
(2.2 N•m)
Cover
4
DIR 10004893329 (Version 01)
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