If the 19” rack does not support all IEC 60297 requirements, the use of additional mounting
plates may apply.
3.2 Power installation
Caution: Electrical installations should only be carried out by a suitably qualified electrical
engineer. It is the responsibility of the installer and user to ensure that the safe practices are
adopted.
Power installation: M12 threaded posts on the rear of the unit are for connecting power ca-
bles fitted with cable lugs. Each position is marked on the back of the box.
E (Ground), N, L1, L2 & L3. The threaded posts have a spring washer and nut that should be
tightened to a torque of 27.5 Nm min. to 31.4 Nm max.
It is recommended that insulated spanners are used when making these connections.
3.3 Connector for remote sensing
A 2-pole Trident connector is at the back of the POWERLOCK BOX to enable remote sensing.
