Need help?Do you have a question about the ABB 5VHK 250 and is the answer not in the manual?
Examine cartons for damage, file claims, and store circuit breakers properly upon receipt.
Procedures for installing circuit breakers, including inspection and component checks.
Examine vacuum interrupters for cracks and seal damage before installation.
Steps to install the front cover assembly after inspection.
Procedure for racking the circuit breaker into the switchgear compartment.
Guidance for manually charging closing springs for bench tests or emergency operation.
Steps to remove the circuit breaker from the 'CONNECTED' position.
Overview of maintenance requirements, adjustments, and routine checks for circuit breakers.
Procedure for testing the circuit breaker current circuit condition using a millivolt drop test.
Instructions for cleaning dirt, dust, or grease from current carrying structure and vacuum interrupters.
Steps for checking and adjusting contact wipe to ensure proper breaker operation.
Procedure for checking the contact air gap to ensure proper breaker opening.
Ensuring all three poles touch within 2 milliseconds during closing speeds.
Recommendations for checking breaker closing and opening times using specialized equipment.
Procedure for adjusting the latch engagement screw for proper operation.
Instructions for adjusting the racking mechanism if interlocked blocking members are mispositioned.
Adjustment of the close latch rod release for proper operation and preventing closing.
Details on factory-applied lubricants and recommendations for maintenance.
Recommended dielectric withstand tests for vacuum interrupters and primary/secondary circuits.
General information on electrical operation, referring to schematic diagrams.
Step-by-step sequence of operations for DC closing of the circuit breaker.
Examine cartons for damage, file claims, and store circuit breakers properly upon receipt.
Procedures for installing circuit breakers, including inspection and component checks.
Examine vacuum interrupters for cracks and seal damage before installation.
Steps to install the front cover assembly after inspection.
Procedure for racking the circuit breaker into the switchgear compartment.
Guidance for manually charging closing springs for bench tests or emergency operation.
Steps to remove the circuit breaker from the 'CONNECTED' position.
Overview of maintenance requirements, adjustments, and routine checks for circuit breakers.
Procedure for testing the circuit breaker current circuit condition using a millivolt drop test.
Instructions for cleaning dirt, dust, or grease from current carrying structure and vacuum interrupters.
Steps for checking and adjusting contact wipe to ensure proper breaker operation.
Procedure for checking the contact air gap to ensure proper breaker opening.
Ensuring all three poles touch within 2 milliseconds during closing speeds.
Recommendations for checking breaker closing and opening times using specialized equipment.
Procedure for adjusting the latch engagement screw for proper operation.
Instructions for adjusting the racking mechanism if interlocked blocking members are mispositioned.
Adjustment of the close latch rod release for proper operation and preventing closing.
Details on factory-applied lubricants and recommendations for maintenance.
Recommended dielectric withstand tests for vacuum interrupters and primary/secondary circuits.
General information on electrical operation, referring to schematic diagrams.
Step-by-step sequence of operations for DC closing of the circuit breaker.
General| Brand | ABB |
|---|---|
| Model | 5VHK 250 |
| Category | Circuit breakers |
| Language | English |
To Next Page
