38 Device Description
WAGO I/O System 750 XTR
750-677/040-000 4PWM 24 VDC 0.2A XTR
Manual
Version 1.0.0
Table 20: Standards and Rated Conditions for Rail Applications (EN 50155:2017)
Requirement
Fulfills class/standard
4.3 Rated Operating Conditions
4.3.1 Altitude above sea level
AX (EN 50125-1)
4.3.2 Ambient operating temperature
OT4
4.3.3 Switch-on extended operating
temperature
ST1
4.3.4 Rapid temperature variations
H1
4.3.5 Shock and vibration
1B (EN 61373)
4.3.7 Relative humidity
95 % (EN 50125-1)
5.1 Power Supply
5.1.1.2 DC power supply range
Minimum continuous voltage 0.7 × U
n
Maximum continuous voltage 1.25 × U
n
5.1.1.3 Temporary DC power supply fluctuation
Minimum fluctuation voltage 0.6 × U
n
Maximum fluctuation voltage 1.4 × U
n
5.1.1.4 Interruptions of voltage supply S1
5.1.3 Supply change-over
must be provided by a suitable
external power supply unit
5.2.3 Electromagnetic compatibility
EN 50121-3-2
5.2.6 Insulation
EN 50124-1;
Overvoltage Category OV2
6.2 Useful life
LX
10.7 Protective coatings for printed board
assemblies
PC2
11.3 Fire behavior requirements
EN 45545-2
hazard level HL3
12 Documentation
According to annex G
MTBF values
(acc. to MIL-HDBK-217-F2)
are available and can be
provided on request for specific
projects
WAGO is a company certified in accordance with the
IRIS
quality standard.
Table 21: Further EMC Requirements for Railroad Applications
Requirement
Fulfills Class
EBA Regulation No. EMC 06
Technical regulations for electromagnetic
compatibility:
Verification of radio compatibility of railroad
vehicles with railroad radio services
S0
Electromagnetic compatibility
EN 50121-4 and
EN 50121-5