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European Safety Systems Ltd.

Impress House, Mansell Road, Acton, London W3 7QH [email protected] Tel: +44 (0)208 743 8880

www.e2s.com Fax: +44 (0)208 740 4200
Document No. D191-00-601-IS Issue 1 20-03-2020 Sheet 3 of 8

252.3 [9.93in]

7.00 [0.28in]

45.0°

3/4" NPT SIDE ENTRY

2 OFF POSITIONS

MARKED *

M20x1.5 SIDE ENTRY

2 OFF POSITIONS

MARKED #

3/4" NPT BOTTOM ENTRY

FOR POLE MOUNTING

BEACON

2 OFF FEET SUPPLIED IN STOWED POSITION

SUITABLE FOR POLE OR BRACKET

MOUNTING BEACON

RETAINED BY 2 OFF M5 SCREWS PER FOOT

166

.0 [

6.54i

3.0 [3

.27i

2 OFF FEET SUPPLIED IN STOWED POSITION

SUITABLE FOR POLE OR BRACKET

MOUNTING BEACON

RETAINED BY 2 OFF M5 SCREWS PER FOOT

BASE CONFIGURED WITH

FEET SET OUT FOR SURFACE MOUNTING

BEACON

Ø9.0 [Ø0.36in]

If entries are fitted with adaptors they must be suitably certified
for the application. Fitting of blanking elements into adaptors
is not permitted.
Check that the ‘O’ ring seal is in place before replacing the
explosionproof cover.

5) Location and Mounting

The location of the beacon should be made with due regard to
the area over which the warning signal must be visible. It
should only be fixed to services that can carry the weight of the
unit.

The D1xB2X beacon can be mounted using one of three
methods.

1. The beacon can be surface mounted by removing,

rotating and reinstalling the stowed mounting lugs. These
are suitable for 6mm diameter fixings.

a. Remove 2 x M5 fasteners per

mounting lug

b. Reverse and rotate lug and

reseat onto enclosure

c. Secure lug using the 2 x M5

Fasteners

2. Alternatively the beacon can be conduit mounted using

the ¾”NPT entry on the base of the unit.

3. Additionally, the beacon can be mounted using the ratchet

adjustable stainless-steel wall bracket assembly. This is
available as an accessory – part code: SP77-0001.

Fig. 1 Fixing Location for Beacon

6) Access to the Enclosure

In order to connect the electrical supply cables to the beacon,
it is necessary to open the explosion proof enclosure. Loosen
the locking grub screw in the cover and then remove the
glass dome cover assembly to gain access to the chamber.
This can be achieved by unscrewing the glass dome cover,
taking extreme care not to damage the threads when doing
so.

Fig. 2 Accessing the Enclosure.

On completion of the installation the flameproof threads should
be inspected to ensure that they are clean and that they have
not been damaged during installation. Ensure the O-ring seal
is in place and undamaged.

When fitting the flameproof cover ensure the thread is
engaged correctly. Fully tighten the cover all the way, ensure
no gap is visible between the cover and base of the beacon
enclosure.

7) Selection of Cable, Cable Glands, Blanking

Elements & Adapters

When selecting the cable size, consideration must be given to
the input current that each unit draws (see section 11), the
number of beacons 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 beacons connected to the
line.
The entries are 2-off M20 x 1.5 thread & 3-off ¾” NPT thread

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.
NPT plugs should be greased before insertion.

For high ambient temperatures the cable entry temperature
or the cable branching point temperature may exceed 60ºC
and therefore suitable heat resisting cables and cable glands
must be used, with a rated service temperature of at least the
values stated below: