Automatic Transfer Switches for Generators

An automatic transfer switch (ATS) is what turns a generator into true backup power. It watches the mains supply, signals the generator to start when the grid fails, moves your load across in seconds, and switches back once mains power returns. Nobody needs to be on site.

Ozwide Power supplies the Pramac LTS range of transfer switches Australia-wide, and installs and commissions them with new and existing generators across Perth and regional WA.

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The Pramac LTS range

• Single phase: 45A, plus a 70A gas-configured version for gas standby generators
• Three phase: 100A (also in a gas-configured version), 160A, 250A, 400A, 630A, 800A and 1000A

Choosing the right transfer switch

• Current rating: size the switch to the generator output and the switchboard it feeds, not just today's load.
• Phases: single phase suits most homes and small businesses; three phase suits commercial, industrial and larger rural sites.
• Fuel type: gas-configured LTS models pair with gas standby generators such as the Generac Guardian range.
• Generator controls: the generator needs an auto-start (AMF) controller so the switch can start and stop it.

Not sure what you need? Send us your generator model and a photo of your switchboard and we'll recommend the right switch.

Supply, installation and servicing in WA

We fit transfer switches with new generator installs and retrofit them to existing generators across Perth, Peel, the South West, Wheatbelt and Mid West. Our servicing includes checking the transfer switch and controls, so you know it will work when the power goes out. See generator installation and servicing & maintenance.

Common questions

Do I need an automatic transfer switch?
If you want backup power to start on its own when the grid fails, yes. Without one, someone has to start the generator and switch the load over by hand.

Can I add an ATS to my existing generator?
Usually, as long as the generator has, or can be fitted with, an auto-start controller. Tell us the make and model and we'll confirm.

What size switch do I need?
It depends on your generator output and switchboard rating. Our power calculator helps with the load side, then we'll match the switch.

Get a transfer switch quote