Electrical Connection Values; Tightening Torques - Wika Rtd Zusatzinformation

3. Commissioning, operation

3.2.1 Electrical connection values

Electrical data without built-in transmitter or digital display
■
Power or signal circuit:
U = 30 V
max
I = 9 mA
max
P = 15 mW
max
Electrical data with built-in transmitter or digital display
■
Power or signal circuit:
U = 40 V
max
I = 150 mA
max
P = 1,000 mW
max
Sensor circuit:
I = 9 mA
max
P = 15 mW
max
The transmitters used must be certified or confirmed to EN 60079-15.
The transmitters and digital displays used must have their own certification in accordance
with EN/IEC. The installation conditions and electrical connection values can be seen from
the relevant approvals and must be observed.

3.3 Tightening torques

3.3.1 Tightening torques at the transmitter (model T32.xx.0NI)
Tightening torques
Min. conductor cross-section
Max. conductor cross-section
3.3.2 Tightening torques at the ceramic terminal
Tightening torques
Min. conductor cross-section
Max. conductor cross-section
WIKA additional information RTD and TC, non-incendive equipment (Ex n)
0.4 Nm
0.14 mm²
2.5 mm²
2.5 Nm
0.14 mm²
2.5 mm²
EN
9