Need help?Do you have a question about the ABB HPA 24kV and is the answer not in the manual?
General| Rated Voltage | 24 kV |
|---|---|
| Rated Frequency | 50/60 Hz |
| Rated Short Circuit Breaking Current | 25 kA - 40 kA |
| Rated Short Time Withstand Current | 25 kA - 40 kA |
| Mechanical Life | 10000 operations |
| Operating Mechanism | Spring-operated |
Describes the SF6 gas-filled breaker poles and their function.
Explains the characteristics of SF6 gas and the puffer principle operation.
Details the spring charging device and its operation for closing and opening.
Explains the step-by-step operation of the circuit breaker's mechanism.
Provides a schedule for routine checks and maintenance tasks.
Procedure for checking and refilling the SF6 gas in the breaker.
Procedure for controlling SF6 gas pressure in poles without gauges.
Describes how to measure and verify the breaker's operating speed.
Provides a table of common faults, their causes, and remedies.
Instructions for replacing the operating coils of the breaker.
Procedure for replacing the micro-switches in the breaker.
Steps for replacing auxiliary contacts, motor, and damping device.
Detailed steps for removing and replacing the operating mechanism.
Procedure for replacing a breaker pole unit.
Guide for preliminary and detailed adjustments of the operating gear.
To Next Page
