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Ambient conditions
Condensation, icing,
drip, spray and splash
water
Max. installation alti‐
tude
Air pressure
Biological, chemical and mechanical influences, pollutants
Biological environmental conditions
Mechanically active environmental conditions
Classification of the mechanical
environment
Vibratory load
Shock load with shock-sensitive components
Pollution degree
Type of enclosure
Overvoltage category
EMC conducted / radiation
Note
The user must consider radio interference for the complete system. Particular attention should
be paid to cabling. Please contact your sales representative for assistance and support.
NOTICE
This device is designed for operation in the second environment (industrial areas) and must not
be used in the first environment (residential areas) without appropriate interference suppress
measures.
NCU 1750
Equipment Manual, 10/2023, A5E45627807B AH
5.2 Climatic and mechanical environmental conditions
Application areas
Remarks
Not permitted
1 000 m above sea
Without thermal derating
level
2000 m above sea
With insulation
level
> 2000 m ... 4000 m
Clearances for an operating voltage of 50 V at 5000 m
above sea level
620 ... 1060 hPa
Class 3B1 according to EN 60 721‑3‑3:
Mold, mold growth, slime, rodents, termite and other
animal vermin are not permissible.
Class 3S1 according to EN 60721‑3‑3:
Conductive dust not permitted.
3M1
Frequency range: 10 – 200 Hz
Deflection at 10 – 58 Hz: 0.075 mm
Acceleration at 58 – 200 Hz: 1 g
Acceleration: 5 g
Shock duration: 30 ms
Load: 3 x in each direction
2 (for indoor use only)
Open type
OVC 2
Class C2 according to EN 61800-3
Application planning
49
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