Ex relevant specifications
70 TZIDC, TZIDC-110, TZIDC-120 42/18-84-EN
10.3.2 IECEx Issue No. 3
IECEx Ex ia IIC T6
Ex nA II T6
Ex nL IIC T6
Certificate No.: IECEx TUN 04.0015X
Issue No.: 3
Typ: Intrinsic safety "i", Type of protection "n"
Standards: IEC 60079-0:2000
IEC 60079-11:1999
IEC 60079-15:2001
IEC 60079-27:2005-04
Type and marking TZIDC-120
Ex ia IIC resp. Ex ib IIC
TZIDC-120
Ex nA IIC resp. Ex nL IIC
Temperature Class Ambient temperature range
T4 -40 … 85 °C -40 … 85 °C
T5 -40 … 55 °C -40 … 65 °C
T6 -40 … 40 °C -40 … 50 °C
Electrical data for type TZIDC-120 with marking Ex ia IIC T6 resp. Ex ib IIC T6
Input circuit
(terminals +11 / -12 resp.
(+ / -)
In type of protection "Intrinsic Safety" (Ex ia IIC resp. Ex ib IIC)
only for the connection to a certified intrinsically safe circuit (e.g.
FISCO power supply) with the following maximum values
according to the following table:
FISCO power supply
ia/ib for group IIB/IIC
Barriere or power supply
ia/ib for group IIB/IIC
Voltage U
i
= 17.5 V U
i
= 24 V
Current l
i
= 380 mA l
i
= 250 mA
Power P
i
= 5.32 W P
i
= 1.2 W
Characteristic
line
linear
Local interface for
communication (LKS) and
programming interface (X5)
For the connection to a programmer resp. a PC outside of the
explosive hazardous area only.
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