ABB 265GS - Aspects of Ex Safety and IP Protection for Australian Applications

Use in potentially explosive atmospheres
IM/265Gx/Ax-EN-07 265Gx, 265Ax 19
2.8 Aspects of "Ex safety" and "IP protection" for Australian applications
TestSafe certificate number
ANZEx 06.3056
Ingress protection
Ex d IIC T6 IP 66 / IP 67
Ex tD A21 IP 66 / IP 67 T85 deg C
T
amb
= -20 ... 75 °C (-4 ... 167 °F)
Symbol Meaning
Ex d Flameproof enclosure (gas)
IIC Gas group
T6 Transmitter temperature class (corresponds to max. 85 °C (185 °F) at an
ambient temperature T
amb
of 75 °C (167 °F).
Ex tD Dust (dangerous medium)
A21 Suitable for "Zone 21"
IP 66 / IP 67 Protection type
T85 deg C Maximum surface temperature of the transmitter at an ambient temperature
T
amb
of 75 °C (167 °F), for dust layers of up to 5 mm (0.20 inch) in thickness.
The transmitters have been certified in accordance with the following standards:
IEC 60079-0:2004
AS/NZS 60079.0:2005
Electrical apparatus for explosive gas atmospheres.
Part 0: General requirements
IEC 60079-1:2003
AS/NZS 60079.1:2005
Electrical apparatus for explosive gas atmospheres.
Part 1: Flameproof enclosure "d"
IEC 61241-0:2004
AS/NZS 61241.0:2005
Electrical apparatus for use in the presence of combustible dust.
Part 0: General requirements
IEC 61241-1:2004
AS/NZS 61241.1:2005
Electrical apparatus for use in the presence of combustible dust.
Part 1: Protection by enclosure "tD"