• In order to protect the modules from static electrical discharges, personnel must discharge 
themselves electrostatically before opening control cabinets or terminal boxes.
• It is essential to ensure that the maximum temperature of 55 °C is not exceeded in the 
mounting position. The device must not be exposed to direct sunlight.
WARNING
Dangerous electrical voltage!
When electrical devices are used, certain parts of them have to carry dangerous voltages. 
Failure to observe the operating instructions can therefore lead to serious injuries or material 
damage.
Observe the operating instructions.
Procedure
Carry out the following steps in the given order:
1. Check that the operating data matches the values on the rating plate.
2. Mount the device with the aid of 4 (M6) screws and washers.
7.1.3 Connecting terminals
Input line X1
X1 is the connection line to the power supply.
Connections L, N, PE 195 - 265 VAC
Cable type H05RN-F 3G1
Cable length 2 m
Connector(s) Extruded protective Schuko-type socket, 10 / 16 A, 
250 V AC, double-protected connecting cable ac‐
cording to DIN 49.441, CEE7 / VII.
Output line X2
X2 is the output line connecting to the SIDOOR controller.
Connections UA+, UA-, FE
Cable type H05RN-F 3G1
Cable length 1.5 m
Connector(s) WAGO 721-103/026-045
Power supply
7.1 SIDOOR NT40
ATD4xxW for industrial applications
System Manual, 06/2022, A5E51901827B AA 237