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2 General Safety Instructions
2.3 Security Advice - Mounting
• Compliance with national safety regulations and standards is obligatory at all times.
• During the assembly and installation process, you must meet the standard requirements
of DIN VDE 0100, 0550 and DIN VDE 0722
NOTICE
To mount the BT300 basic unit, use screw fittings with an M4 thread (UNC32) and a maximum
tightening torque of 1.8 Nm for fastening all four fixing points. Keep in mind that housings have
improved mechanical stability w
hen connected on surrounding contact surfaces. Generally
connect to an even mounting surface.
NOTICE
Damaging of the 0.8 Nm actuator through opening.
Opening the actuator in a different position other than the cap of the electrical connection, de-
stroys the actuator.
The warranty expires.
Open the actuator at the cap of the electrical connection only.
NOTICE
Damaging the actuators through opening.
If the actuator is opened, the actuator will be destroyed (applies to actuator with 1.2 Nm,
3.0 Nm and 9.0 Nm).
The warranty expires.
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