Dehn DEHNconnect DCO SD2 MD EX 24 Installationsanleitung

INSTALLATION INSTRUCTIONS
1 Mounting / Montage
DEHNconnect
DEHNconnect
DCO SD2 MD EX 24
DCO SD2 MD EX 24
IECEx DEK 12.0076X
Ex ia [ia Ga] IIC T4/T5/T6 Gb
DEKRA 12A TEX0261 X
II 2(1) G Ex ia [ia Ga] IIC T4/T5/T6 Gb
Standards for ATEX:
EN 60079-0: 2012
EN 60079-11: 2012
EN 60079-26: 2007
for IECEx:
IEC 60079-0: 2011
IEC 60079-11: 2011
!
IEC 60079-26: 2006
Connection to intrinsically safe circuits 

with:
U i = 30 V,
Pre-fuse the signal circuit, if required!
I i = 500 mA
The rated current is equal to the nominal current in
C i negligibly small
the signal circuit, max. I
L i negligibly small
medium time lag (M)
Ambient temperature range: ggf. Signalkreis vorsichern!
Bemessungsstrom entspricht Nennstrom im
-40°C ... + 30°C for temperature class T6
Signalkreis, max. I
-40°C ... + 80°C for temperature class T5
-40°C ... + 80°C for temperature class T4
4 Cable Routing / Leitungsführung
protected protected
!
ok
protected
2.
1.
tripping characteristic:
L
Auslösecharakteristik: Mittelträge (M)
L
6 Ex-zone / Ex Zone
5 Wire link by means of
jumper bar/ Drahtverbindung
mit Kammbrücker
ok
e.g. KB 10 DCO RK
protected
1'
2'
1
2
equipotential bonding
2 Technical Data /
Technische Daten
ϑ °C
-40°C ... +80°C
1'
IP-Code 00
9-10 mm / 0.35- 0.39 in
2'
min.
0,34 mm² (AWG 22)
2, 2', 1, 1'
max.
2,5 mm² (AWG 14)
2
1
DEHNconnect
DCO SD2 MD EX 24
min. 4 mm²
Publication No. 1831 / UPDATE 07.14 Mat-No. 3001880
3 Signal Disconnection / Signaltrennung
Verify that the arrester is
!
de-energised before inserting and
removing the module!
Ziehen und Stecken des Moduls
nur im spannungsfreien Zustand!
push
1.
2.
Signal Disconnect
Signal Disconnect
2 2
2'
1 1
1'
7 Testing / Test
application
zone 1, 2
cable lengths max. 1m
zone 0
min. 4 mm²
© COPYRIGHT 2014 DEHN + SÖHNE / protected by ISO 16016
Accessories /
Zubehör
jumper bar
KB 10 DCO RK
No. 919 880
2'
Labelling system
1'
LS 1 50 H DCO
No. 917 977
Labelling system
LS 1 50 V DCO
No. 917 976
MΩ
Ω
1'
ok
measurement
2'
Test by type:
DCO SD2 ... ....
1'/2', 1/ , 2/
Ω
Ω
1'
measurement
2'
replace
p.t.o.
Safety
Instructions