Installation
50
9229 0025 176 0E
2021-11-15
Connecting low voltage
Connect the low-voltage connection cables in the customer’s switchgear in such a
way that safe operation as per the supplied circuit diagram is guaranteed.
Low-voltage interface (-X0), 64-pole 3AX1134-..
Wiring of connectors Q0-X1.1, Q0-X1.2, Q0-X1.3
For connection of the control cable, the standard version
of the vacuum circuit-breakers is equipped with a
64-pole low-voltage interface (-X0).
The 64-pole plug for the external terminal is suitable for
crimp termination of control and signalling lines with a
cross-section of 1.5 mm
2
to 2.5 mm
2
.
Fig. 71
Low-voltage interface (-X0) (32)
• Remove the cover for the low-voltage interface (refer
to “Removing and mounting covers”, page 40).
• Insert flat-head screwdriver (size 0.5 mm x 3 mm)
into the plug (WAGO 231-110/026-000).
• Insulation-stripped connecting lead (or with wire end
ferrule) with a cross-section
- Single-core from 1.5 mm
2
to 2.5 mm
2
- Insert finely stranded core from 1.5 mm
2
to
2.5 mm
2
• Remove flat-head screwdriver.
Fig. 72
Example – wiring the 30-pole connector strip
(33)
