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General| Poles | 1, 2, 3 |
|---|---|
| Standards | UL489, CSA C22.2 No. 5 |
| Operating Mechanism | Toggle |
| Voltage | 600V AC |
| Voltage Rating | 120/240V, 240V, 480V, 600V |
| Interrupting Rating | 10kA to 65kA |
| Trip Type | Thermal-magnetic |
| Type | Molded Case |
Procedure for receiving and inspecting circuit breakers upon arrival.
Instructions for lifting, moving, and positioning the breaker safely.
Guidelines for storing circuit breakers to maintain their condition.
Steps to ensure breaker and compartment compatibility before installation.
How to manually operate the breaker's closing and opening functions.
Procedure to check the integrity of vacuum interrupters.
Measuring contact wear gaps to monitor erosion.
Checking primary circuit resistance for proper conductivity.
Verifying the breaker's electrical closing and opening functions.
Ensuring proper physical and electrical connection between breaker and compartment.
Details on the vacuum interrupter unit and its mounting.
Overview of the spring-stored energy operating mechanism.
Description of various interlocks preventing improper operation.
Explanation of the two basic control schemes (AC and DC).
Function and operation of the undervoltage trip mechanism.
How secondary disconnects engage during insertion.
Purpose and function of the ground contact assembly.
Operation of mechanism-operated and truck-operated switches.
Details on the interphase barrier and its interlock function.
Description of the device used to move the breaker between positions.
General overview of power circuit breaker maintenance.
Procedure for testing vacuum interrupter integrity using high potential.
Monitoring contact wear and determining when replacement is needed.
Information on primary insulation maintenance and cleaning.
Methods for checking primary and secondary insulation integrity.
Measuring primary circuit resistance using DC current.
Visual inspection of the breaker mechanism for loose parts.
Lubrication points and schedule for the breaker mechanism.
List of recommended spare parts for VCP circuit breakers.
Guidelines for ordering replacement parts and accessories.
