![ABB Endura AZ30 series Programming Manual Download Page 19](http://html.mh-extra.com/html/abb/endura-az30-series/endura-az30-series_programming-manual_274019.webp)
Endura AZ30 series integral probe and remote transmitter
Combustion oxygen monitor
4 Mechanical Installation
COI/AZ30E–EN Rev. D
17
4.8 Barrier Gland Requirements
M25 (or
3
/
4
in. NPT) Probe Gland Options
:
If the optional ABB-supplied barrier glands are not used, any M25 or
3
/
4
in. NPT cable glands selected must
be of the barrier type, approved for use in hazardous areas and certified suitable for use in Zone 1 and Zone
2 Gas groups IIA, IIB + H2, Zone 21, Zone 22 Dust groups IIIC and / or Class I Division 1 Gas groups BCD,
Class II Division 1 Dust groups EFG.
The M25 (or
3
/
4
in. NPT) barrier cable gland must be suitable for use with the ABB 'special' 16-core
cable if ordered with the AZ30 system or for any alternative cable to our specifications – see Probe
User Guide OI/AZ30P–EN for cable specifications.
The M25 (or
3
/
4
in. NPT) barrier cable gland must provide a standard seal for non-armored cable –
see Probe User Guide OI/AZ30P–EN for cable specifications.
An alternative to barrier glands is the use of stopper boxes where local regulations allow.
Mains, Relay and Output Signals Glands – M20 (or
1
/
2
in NPT)
The M20 (or
1
/
2
in NPT) cable glands used on the transmitter must be of the EEx d barrier type approved for
use in hazardous areas and certified suitable for use in Zone 1 and Zone 2 Gas groups IIA, IIB + H2,
Zone 21, Zone 22 Dust groups IIIC and / or Class I Division 1 Gas groups BCD, Class II Division 1 Dust
groups EFG.
Note.
When fitting glands, follow the gland manufacturers' instructions. If conduit and stopper boxes are
used, the stopper boxes must not be more than 0.457 m (18 in.) from the enclosures.
Fig. 4.8 Remote Transmitter Assembly Dimensions
Hazardous Area
EEx d Barrier Glands
(Mains, Relay and Output
Signals) M20 or
1
/
2
in NPT
Hazardous Area
EEx d Barrier Gland
(Probe Cable)
M25 or
3
/
4
in. NPT
(1 on Remote Terminal
Housing and 1 on
Remote Probe