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VCB - Linh Trung

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05<br />

5.2 Periodical Inspection<br />

Periodical inspection is generally made once every 3 years<br />

though it depends on the operating condition of the circuit<br />

breaker.<br />

The operating mechanisms should be oiled and lubricated<br />

in specific parts or every 10 years or after 5,000 makebreak<br />

operations.Table 5-2 shows items and intervals of<br />

the periodical inspection.<br />

22

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