Mounting and Coding
The 3TK2845 multifunction device is designed for snap-on mounting on a
35 mm standard mounting rail complying with EN 50 022. The devices can also
be screw mounted with two push-in lugs, order number 3RP1903.
Fig. 4-1: 3TK2845 multifunction device for snap-on or screw mounting
Removable terminals simplify exchanging the device according to need. The
terminals are coded to prevent a mix-up.
Before exchanging the terminals, disconnect power from system and device.
The terminal blocks can be disconnected in the order a, b and can be connected in
the order c, d.
Fig. 4-2: Mounting and coding of the removable terminals
3TK2845 Multifunction Device Manual
GWA 4NEB 926 2087-22 DS 01
35 mm standard mounting rail
Mounting, Wiring, Initial Start-up
A, B, C, D: