Climatic Environmental Conditions; Electrical Isolation; Table 18: Technical Data - Climatic Environmental Conditions; Table 19: Technical Data - Electrical Isolation - WAGO 750-495/040-00 Series Manual

34 Device Description
3.6.9

Climatic Environmental Conditions

Table 18: Technical Data ‒ Climatic Environmental Conditions
Surrounding air temperature, operation
Surrounding air temperature, storage
Relative humidity
Elevation above sea level
Resistance to harmful substances
Maximum pollutant concentration at
relative humidity < 75 %
*
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)
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3.6.10

Electrical Isolation

Table 19: Technical Data – Electrical Isolation
Test voltage
Type of insulation per EN 61010-2-201
Measurement inputs / system
Measurement inputs / system
Adjacent modules
1)
Nominal voltage: 400 V (Lx-N) / 690 V (Lx-Ly) in a 3-phase network with N conductor,
600 V (Lx-Ly) in a 3-phase network without N conductor
2)
For safe isolation from the preceding module, a distance module must be inserted to
the left of this module.
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Manual
Version 1.2.0
750-495/040-00x 3-Phase Power Measurement Module 690 V
*
without temperature derating
with temperature derating
Requirement, N input Not dangerously active
Requirement, Ix/RCx inputs Current transformer with basic
Line/neutral conductor voltage 600 VAC
Overvoltage category
Requirement, N input Assumed to be dangerous
Requirement, Ux inputs Voltage transformer with basic
Requirement, Ix/RCx inputs Current transformer with basic
Line/neutral conductor voltage 600 VAC
Overvoltage category
Line/neutral conductor voltage 600 VAC
Overvoltage category
WAGO-I/O-SYSTEM 750 XTR
−40 °C ... +70 °C
−40 °C ... +85 °C
95 %
0 m ... 2000 m
2000 m ... 5000 m:
max. 5000 m
Acc. to IEC 60068-2-42 and
IEC 60068-2-43
SO ≤ 25 ppm
2
H S ≤ 10 ppm
2
3.3 kVAC, 50 Hz, 1 min.
Impedance and additional insulation
(safe isolation)
insulation
1)
III up to 3,000 m above sea level
II at 3,000 m ... 5,000 m above sea level
Transformer and additional insulation
(safe isolation)
insulation
insulation
1)
III
Basic insulation
1)
III
0.5 K per 100 m
2)