9
Eaton MEDC technical manual
DB4BM LOUDSPEAKER TECHNICAL MANUAL
TM277.3
www.eaton.com
9
Eaton MEDC technical manual
DB4BM LOUDSPEAKER TECHNICAL MANUAL
TM277.3
www.eaton.com
CERTIFICATION / APPROVALS
IECEx units
Ex d unit (IECEx certification No. IECEx ULD 21.0017X)
Ex db IIC T* (T
amb.
) Gb
Ex tb IIIC T*°C (T
amb.
) Db IP6X
See table below for ambient temperature ranges and T-ratings
The IECEx certificate and product carry the IECEx equipment protection level markings:
Gb and Db
Where:
Gb signifies suitability for use in a Zone 1 surface industries area in the presence of gas.
Db signifies suitability for use in a Zone 21 surface industries area in the presence of dust.
ATEX / UKEX units
Ex d unit (ATEX certification No. Ul 21 ATEX 2559X) (UKEX certification No UL21UKEX2209X)
Ex db IIC T* (T
amb.
) Gb
Ex tb IIIC T*°C (T
amb.
) Db IP6X
See table below for ambient temperature ranges and T-ratings
The ATEX / UKEX certificate and product carry the ATEX / UKEX group and category marking:
II 2 G D
Signifies compliance with ATEX / UKEX
II
Signifies suitability for use in surface industries
2
Signifies suitability for use in a Zone 1 area
G Signifies suitability for use in the presence of gasses
D Signifies suitability for use in the presence of dust
T-Ratings:
Max. Power rating
T
amb.
T
G
T
D
8W
-60°C to +85°C
-60°C to +55°C
-60°C to +40°C
T4
T5
T6
T135°C
T100°C
T85°C
15W
-60°C to +85°C
-60°C to +40°C
T4
T5
T135°C
T100°C
25W
-60°C to +85°C
-60°C to +70°C
T3
T4
T200°C
T135°C
-60°C to +40°C
T5
T100°C
These units also have the following approvals:
Ingress protection: Long Flare units IP66. Short Flare units IP65 Exd terminal chamber IP67 to IEC60529
