If you’re upgrading to high-demand appliances, installing solar, or planning to charge an EV at home, standard single-phase power might not cut it. At Selectrical, we provide professional 3‑phase power installations across Sydney, helping future-proof your property with more stable, reliable energy.
Get In Touch TodayWhat is 3‑Phase Power?
3‑phase power is a high-capacity electrical system that delivers electricity using three active wires, compared to just one in standard single-phase systems.
It’s commonly used in industrial and commercial settings, but more Sydney homeowners are now upgrading to 3‑phase to support modern energy demands like electric vehicle chargers, large solar systems, and powerful air conditioning units.
With 3‑phase, you’ll experience smoother and more efficient electricity delivery, ideal for properties with growing power needs.
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Benefits of 3‑Phase Power:
- Higher capacity supports multiple high-demand appliances
- More consistent voltage reduces flickering and surging
- Ideal for EV chargers, solar, and ducted A/C
- Lower stress on circuits and appliances
- Future-proof your electrical setup
Who Needs 3‑Phase Power?
Installing an EV Charger (especially 22kW 3‑phase units)
Fast EV chargers draw a significant electrical load. A 3‑phase supply allows your charger to run at full capacity without overloading your existing circuits.
Lights flicker or dim when major appliances turn on
This is a clear sign your current supply is being pushed beyond its limits. 3‑phase power stabilises voltage and prevents these fluctuations.
Running multiple air conditioners or appliances
High-demand systems operating at the same time can quickly exceed the limits of single-phase power. 3‑phase allows consistent performance without nuisance tripping.
Planning a large solar system (over 5kW) with battery storage
Larger solar and battery setups perform more efficiently on 3‑phase systems, providing better load balancing and export control.
Benefits of 3‑Phase Power
- Run more appliances without overload
- Improve performance for air conditioning & heating
- Support large solar & battery systems
- Enable fast EV charging at home
- Reduce power surges & flickering
- Prevent circuit breaker trips
What’s Involved in an Installation?
1. Site inspection & load calculation
2. Upgrade or replace your switchboard (if needed)
3. Install new cabling & protection devices
4. Liaise with electricity provider for supply upgrade
5. Test, certify, and issue compliance documents
Typical installs take 1–2 days. We’ll guide you from assessment to certification.
Why Do Sydney Home Owners Choose Selectrical?
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Why NSW Law Requires a Certified Level 2 Electrician
Get In Touch TodayIn New South Wales, certain electrical tasks can only be carried out by a licensed Level 2 ASP electrician. This is to ensure safety when working on the electricity network and to protect property owners from electrical hazards.
By law, work such as upgrading consumer mains, connecting a new build to the grid, or installing a private pole must be done by an authorised Level 2 electrician. Selectrical Services is fully accredited, which means you get peace of mind knowing the job is done right and in compliance with all regulations.
Frequently Asked Questions
What is the main difference between single and 3‑phase power?
Do I need a new switchboard for 3‑phase power?
Can I run solar and a battery on 3‑phase?
Will this reduce my power bill?
How long does the upgrade take?
Do I need 3‑phase for an EV charger?
Is 3‑phase power more expensive to run?
Will my power be off during the work?
Can I downgrade back to single-phase later?
Do I need council approval?
Get a Professional 3-Phase Power Installation Today
Call us today on or book a free, expert consultation online.
Let Selectrical deliver safe and compliant 3-Phase Power Installation you can trust.
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