UPS | External maintenance bypass in a UPS
The external maintenance bypass is an important device for maintaining electrical power to a critical load in the event of a UPS outage or maintenance.
Main functions of the external maintenance bypass
The main functions of the external maintenance bypass include:
- Allow removal of the UPS from the circuit without removing power from the critical load.
- Allow UPS maintenance without shutting down the critical load.
- Allow replacement of the UPS without disrupting power to the critical load.
Benefits of the external maintenance bypass
The external maintenance bypass is beneficial as it ensures the continuity of power supply of the critical load during maintenance or replacement phases of the UPS. This prevents interruptions in the power supply which can cause problems or damage.
Mounting the external maintenance bypass
To mount the external maintenance bypass, you need to have detailed knowledge of the UPS and its configuration.
In general, the external maintenance bypass is mounted between the UPS and the critical load.
A manual switch that allows you to select the power source (UPS or bypass). Before installing the external maintenance bypass, it is important to verify that it is compatible with the UPS and that it complies with the manufacturer’s technical specifications.
Furthermore, it is always advisable to carry out the assembly with the assistance of qualified personnel.
This is to ensure correct installation and operation of the system.