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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
First of all, attach the handle (see Figure 24 for a picture showing the handle installed).
The manual charging handle shall be applied for emergency case and maintenance purpose only,
remove (not install) the handle at normal service condition.
Figure 24 Tighten 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).
CAUTION
CAUTION