MEDC DB3B User Manual
Page 15
© MEDC 2014
07/14
7.0 SPECIAL CONDITIONS FOR SAFE USE
a) Type DB3B Ex d:
IECEx BAS 13.0112X, IECEx BAS 13.0113X, Baseefa13ATEX0229X & Baseefa13ATEX0231X
1. For replacement purposes the cover fixing screws shall be of stainless steel grade A2-70 or stronger.
2. Painting and surface finishes, other than those applied by the manufacturer, are not permitted.
3. When the unit is used in dust atmospheres (GD units only) the cable entries used shall be sealed to
maintain the IP6X rating, in accordance with the applicable installation codes.
4. This apparatus is suitable for use only in ambient temperatures as follows:
Max. Power
rating
T
amb.
T
G
T
D
-55°C to +70°C
T4
T135
-55°C to +55°C
T5
T100 C
15W
-55°C to +40°C
T6
T85 C
b) Type DB3B Ex de:
IECEx BAS 13.0114X, IECEx BAS 13.0115X, Baseefa13ATEX0232X & Baseefa13ATEX0233X
1.
For replacement purposes the cover fixing screws shall be of stainless steel grade A2-70 or stronger.
2.
Painting and surface finishes, other than those applied by the manufacturer, are not permitted.
3.
Not more than one single or multiple strand wiring lead shall be connected into either side of any terminal,
unless multiple conductors have been joined in a suitable manner, e.g. two conductors into a single
insulated boot lace ferrule.
4.
Leads connected to the terminals shall be insulated for at least 275V and this insulation shall extend to
within 1mm of the metal of the terminal throat.
5.
Minimum creepage and clearance distances between the terminals and adjacent conductive parts
(including cable entry devices) must be at least 5mm.
6.
All terminal screws, used and unused, shall be tightened down.
7.
When the unit is used in dust atmospheres (GD units only) the cable entries used shall be sealed to
maintain the IP6X rating, in accordance with the applicable installation codes.
8.
This apparatus is suitable for use only in ambient temperatures as follows:
Max. Power
rating
T
amb.
T
G
T
D
-50°C to +70°C
T4
T135 C
-50°C to +55°C
T5
T100 C
15W
-50°C to +40°C
T6
T85 C
C
°
°
°
°
°
°