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General| Frequency | 50/60 Hz |
|---|---|
| Voltage Rating | 600V AC |
| Mounting | Fixed |
| Mechanical Life | 20, 000 operations |
| Electrical Life | 10, 000 operations |
Safety program requirements for electrical equipment and potential hazards.
Detailed process of charging the closing spring electrically and manually.
Steps and mechanism involved in closing the circuit breaker.
Steps and mechanism involved in opening the circuit breaker.
Method to check and measure primary contact erosion.
Detailed method for measuring the contact gap.
Guidelines and procedures for AC and DC high-potential testing.
Procedure for hipotting the primary circuit phase-to-phase and phase-to-ground.
Procedure for hipotting the secondary circuit.
Procedure for testing vacuum interrupter integrity using hi-potential tester.
Methods for checking primary and secondary circuit insulation resistance.
Procedure to check contact erosion and replacement criteria.
Guidelines for lubricating the mechanism and contacts.
List of operations to perform at each maintenance check.
Detailed steps for replacing interrupter assemblies.
Tools and steps for replacing the trip coil.
Steps for replacing the closing coil and its housing.
Detailed procedure for adjusting primary contact wipe.
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