Avoid the Headaches of Multi-Phase Properties
This week alone, I’ve had over 30 phone calls from installers across the country with the same issue.
It usually starts the same way:
“Mate… I’ve got this multi-phase job and I’m hoping you can help me?”
Sometimes they’re not even sure what they’re looking at yet.
Is it split phase (480V)?
Or two phases of a three-phase supply (415V)?
“I haven’t tested it yet…”
The system design usually goes one of two ways:
One battery on one phase, or
Two single-phase systems, one on each phase
But no matter which way you go… you hit the same wall.
How do you actually manage it as one site, not two separate systems?
Because in the real world, this is what’s happening:
Phase A is importing energy
While Phase B has a battery sitting there idle
Same property… but they’re not working together.
This is Where It Can Get Even More Complicated
Phase A already has solar installed from a few years ago, running a completely different inverter brand to what you’re installing today.
Now you’re trying to tie together: Old and new systems, Different brands, Different phases
The Simple Solution
Now imagine walking onto that same job with the right tools
Instead of thinking about phases, or individual inverters…
you look at the entire site as one system.
CATCH Power gives you full visibility across the whole site, sends that data to our servers, and manages solar, batteries, and loads together at a site level, not an inverter level.
You install:
1 × 6 Channel CATCH Control → monitoring the entire site and controlling one inverter
1 × 2 Channel CATCH Control → managing the battery or second inverter
Run the Wizard on the 6 Channel device, and it will automatically determine if the site is:
Split Phase (480V), or
Two Phase (415V)
Done.
How It All Works Together
Each CATCH Control device reports directly to our servers, giving full visibility of the entire site’s energy usage across both phases.
From there, the system responds dynamically.
For example, if there is a load on Phase A, we can direct the battery on Phase B to help offset that demand where required.
By managing everything at the site level through the cloud, the system operates as a single, integrated energy system, rather than two independent phases.
So instead of juggling separate systems…
you’re finally working with one system that works together.
This is the moment installers notice the difference.
No more:
Exporting on one phase while importing on another
Trying to match old systems with new ones
Explaining to customers why it “sort of works”
Now?
They’re just another install.
Handled properly. Managed as one.
Because at the end of the day, the customer doesn’t care about phases…
They care that their system works!
And with CATCH Power, it finally does. You can find the SLD here
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