Barrier Gland Requirements - ABB Endura AZ30 series Programming Manual

Endura AZ30 series integral probe and remote transmitter
Combustion oxygen monitor

4.8 Barrier Gland Requirements

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
3
M25 (or / in. NPT) Probe Gland Options:
4
If the optional ABB-supplied barrier glands are not used, any M25 or
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.

3
The M25 (or /
4
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.

3
The M25 (or /
4
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
The M20 (or / in NPT) cable glands used on the transmitter must be of the EEx d barrier type approved for
2
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.
COI/AZ30E–EN Rev. D
Hazardous Area
EEx d Barrier Gland
(Probe Cable)
3
M25 or / in. NPT
4
(1 on Remote Terminal
Housing and 1 on
Remote Probe
in. NPT) barrier cable gland must be suitable for use with the ABB 'special' 16-core
in. NPT) barrier cable gland must provide a standard seal for non-armored cable –
3
/ in. NPT cable glands selected must
4
1
/ in NPT)
2
4 Mechanical Installation
Hazardous Area
EEx d Barrier Glands
(Mains, Relay and Output
1
Signals) M20 or / in NPT
2
17