When it comes to a three-phase main supply, the availability of phases can vary. This raises an important question: Can an Automatic Phase Changer operate when only one phase is available?
At Selfguard, our Three Phase Automatic Phase Changer (APC) is designed to give output on all three phases when either one phase or two phases are present.
How Does Our Automatic Phase Changer Work?
Our Three Phase Automatic Phase Changer is installed with a Three Phase Main Supply only. When one phase or two phases are present, the Automatic Phase Changer gives output on all three phases. When any of the missing phases comes back, the unit automatically shifts the load to its original phase.
The unit has an inbuilt delay timer for this automatic shifting of the load back to its original phase.
Can It Operate When Only One Phase Is Available?
Yes. Our Three Phase Automatic Phase Changer gives output on all three phases when one phase is present. It also gives output on all three phases when two phases are present. The unit is applicable for a Three Phase Main Supply and Single Phase Load only.
Our Automatic Phase Changer is therefore designed for applications where the main supply is three-phase and the connected load is single-phase.
What Loads Can Be Connected?
The Selfguard Automatic Phase Changer is applicable for single-phase loads. The webpage specifies examples of such loads, including:
- Lights
- Fans
- Single Phase AC
- Single Phase Motors
- Other single-phase loads
The Automatic Phase Changer is specifically stated to be applicable for Three Phase Main Supply and Single Phase Load only.
What Happens When the Missing Phase Comes Back?
When any of the missing phases comes back, our Automatic Phase Changer shifts the load automatically to its original phase.
This operation is carried out with the help of the unit's inbuilt delay timer.
Therefore, the Automatic Phase Changer provides output on all three phases when either one or two phases are present, and when a missing phase returns, the load is shifted automatically to its original phase.
Automatic Phase Changer Ratings
Automatic Phase Changer is available in different current ratings. The available ratings are:
- 63 Amps
- 100 Amps
- 125 Amps
- 150 Amps
- 200 Amps
The selection of the Automatic Phase Changer is done according to the load of the mains.
Conclusion
Our Three Phase Automatic Phase Changer gives output on all three phases when either one phase or two phases are present.
The unit is installed with a Three Phase Main Supply only and is applicable for Three Phase Main Supply and Single Phase Load only, such as lights, fans, single-phase ACs and single-phase motors. When any missing phase comes back, the unit automatically shifts the load to its original phase with an inbuilt delay timer.
Available from 63 Amps to 200 Amps, the selection of the Automatic Phase Changer is done according to the load of the mains