29
Installation and Maintenance Instructions
Model G-SND Global Series Sounder
Table 4 Choosing cable-entry devices for Equipment in Potentially
Explosive Atmospheres
Models
Ex Atmospheres Cable Entry Devices (cable
glands, stopping plugs, etc
.
G-SND-XXX-D
(Ex db surface
mount)
Gas
Cable entry devices shall
be equipment certified as
flameproof. To maintain the
ingress protection of the
flameproof sounder enclosure,
we recommend the cable entry
device be IP66 certified.
G-SND-XXX-E
Gas
For the flameproof enclosure,
cable entry devices shall
be equipment certified as
flameproof. To maintain the
ingress protection of the
flameproof enclosure we
recommend the cable entry
device be IP66 certified. For
the increased safety terminal
enclosures (terminal boxes),
cable entry devices shall
be equipment certified as
increased safety and shall
maintain an IP rating of IP54.
G-SND-XXX-D
(Ex db surface
mount)
G-SND-XXX-E
(Ex db e surface
mount)
Dust
Cable entry devices for the
and terminal enclosures shall
be equipment certified as
dust protected. To maintain
the ingress protection of
the sounder and terminal
enclosures the cable entry
devices shall be IP6X certified.