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4. Operation
Failure to take the opportunity to discover abnormalities can
result in injuries and equipment damage. Always check to make
sure that the ON and OFF indicators are correct before
operating the equipment.
4.1 Manual Operation
To avoid damaging the equipment, do not close the circuit when
the unit switching indicator is ON.
4.1.1 Closing the Circuit
Check to make sure that the switching status is set to OFF.
4.1.1.1 For Motorized Spring-operated VCBs
Attach the handle using the steps shown in Figures 11 and 12, in that order.
The manual charging handle shall be applied for emergency case and maintenance
purpose only, remove (not install) the handle at normal service condition.
Figure 11 Attach the handle provided with
the unit to the handle shaft. Check to make
sure that the handle has been securely
connected to the shaft (small screw M5).
CAUTION
CAUTION
Figure 12 Using the small screw (M5)
provided, fasten the handle in position.
The tightening torque should be 2.94 to
3.92 N-m (30 to 40 kgf-cm).