Connection and commissioning
5.2 Mounting and connecting the device
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
173
Note
This type of mounting also permits rear connections provided the specifications for the
rear wall cutouts are consid
ered.
(For the drilling template, see Chapter
Switchboard panel, hole and drilling templates,
(Page 228)):
– Fasten the circuit breaker to the rear wall of the switchboard panel with 4 screws
(included in the scope of delivery) with a tightening torque of 8.6 Nm.
2. Screw the busbars/cables of the main conductor paths to the connections of the circuit
breaker (for tightening torques, see table Tightening torques at a glance (Page 164)).
Note the operating instructions of the relevant connection system (see Chapter
Reference documents (Page 10)).
3. Mount the prescribed insulation accessories.
You will find information about the insulation measures in Chapter Isolating distances and
insulating equipment (Page 156). When mounting the insulation accessories, follow the
relevant Operating Instructions (see Chapter Reference documents (Page 10)).
4. Mount the armature plates for protection from short-circuits (see Chapter Armature plates
(Page 159)).
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