24 Device Description
WAGO I/O SYSTEM 750 XTR
750-481/040-000 2AI RTD Ex i XTR
Manual
Version 1.1.0
3.6.6
Connection Type
Table 12: Technical Data – Field Wiring
Wire connection
CAGE CLAMP
®
Cross section
0.25 mm² … 2.5 mm² / AWG 24 … 14
Stripped lengths
8 mm … 9 mm / 0.33 in
Table 13: Technical Data – Power Jumper Contacts
Power jumper contacts
Blade/spring contact, self-cleaning, hard
gold plated
Table 14: Technical Data – Data Contacts
Data contacts
Slide contact, self-cleaning, hard gold
plated
3.6.7
Mechanical Conditions
Table 15: Technical Data – Mechanical Conditions
Vibration resistance
Max. 5g
*
*
Follow the installation instructions
3.6.8
Climatic Environmental Conditions
Table 16
: Technical Data ‒ Climatic Environmental Conditions
Surrounding air temperature, operation
−40 °C … +70 °C
Surrounding air temperature, storage
−40 °C … +85 °C
Relative humidity
*)
95 %
Elevation above sea level
without temperature derating
with temperature derating
max.
0 m … 2000 m
2000 m … 5000 m: 0.5 K per 100 m
5000 m
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 the permissible
temperature range of the
connecting cable is correct
dimensioned depending on the
installation position and current
intensity, because the clamping
point temperature at 10 A can be
up to 25 °C above the expected
surrounding air temperature.
*)
Short-term condensation acc. class 3K7 / IEC EN 60721-3-3 permitted, applying
E-DIN 40046-721-3 (except wind-driven precipitation, water and ice formation)