26 Device Description
WAGO-I/O-SYSTEM 750
750-450 4 AI RTD
Manual
Version 1.2.0
3.6.6
Connection Type
Table 18: Technical Data ‒ Field Wiring
Wire connection
Push-in CAGE CLAMP
®
Cross section, solid wire
0.08 mm² … 1.5 mm² / AWG 28 … 16
Cross section, fine-stranded wire
0.25 mm² … 1.5 mm² / AWG 22 … 16
Stripped lengths
8 mm … 9 mm / 0.33 in
Table 19: Technical Data – Power Jumper Contacts
Power jumper contacts
Blade/spring contact, self-cleaning
Table 20: Technical Data – Data Contacts
Data contacts
Slide contact, hard gold plated, self-
cleaning
3.6.7
Climatic Environmental Conditions
Table 21: Technical Data – Climatic Environmental Conditions
Surrounding air temperature, operation 0 °C … 55 °C
Surrounding air temperature, storage
−25 °C … +85 °C
Operating altitude
without temperature derating:
0 … 2000 m;
with temperature derating:
2000 … 5000 m (0.5 K/100 m);
max.: 5000 m
Relative humidity
Max. 5 % … 95 % without condensation
Pollution degree
2
Protection type
IP20
Resistance to harmful substances
Acc. to IEC 60068-2-42 and
IEC 60068-2-43
Maximum pollutant concentration at
relative humidity < 75 %
SO
2
≤
25 ppm
H
2
S
≤
10 ppm
Special conditions
Ensure that additional measures for
components are taken, which are used
in an environment involving:
– dust, caustic vapors or gases
– ionizing radiation
