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3RH, 3TX, LZX coupling links
SIRIUS System Manual
6-14
GWA 4NEB 430 0999-02b
6.5 Mounting and connection
6.5.1 Mounting
Snap-on attachment
The coupling links are snapped onto 35 mm rails in acc. with EN 50 022.
With a vertical rail and tightly packed devices, the permissible ambient tem-
perature T
U
is 60° C.
Any installation position is possible.
6.5.2 Connection
The coupling links are available with the SIGUT
terminal system, with
screw-type terminals, or with Cage Clamp terminals.
Cage Clamp terminals
Important
Risk of injury
When making connections using the Cage Clamp terminal system, you
should support your screwdriver with your finger to prevent the screwdriver
slipping.
Figure 6-6: Cage Clamp terminals, coupling links