The Relay Expansion enables your Omega to control two other, independent electrical circuits. The circuits are isolated from the Omega and can operate at much higher or lower voltages than the Omega. So you can control other circuits you’ve built or small household appliances rated up to 60W. This Expansion is perfect for home automation projects since it gives you the ability to control other devices remotely using your Omega.
It features two electromechanical relays that can switch up to 60W, and are rated for a maximum current of 2A and a maximum voltage of 220V DC or 250V AC. The screw terminals allow you to connect a variety of different cables, leads, and wires. This expansion comes with a 3-bit address switch, allowing you to use up to eight relays with a single Omega. Meaning you can control up to 16 devices with just one Omega!
Important Warning: If using this Expansion with circuits or appliances that run on household or industrial mains voltage, make sure you fully understand how to work with them safely. Improper preparation such as insufficient insulation, wiring errors, or using wire not rated for your application could result in serious damage not limited to injury or fire. We at Onion do not accept any responsibility for any damages caused by improper use of this product, so make sure you know what you’re doing!
- Number of Relays: 2
- Relay Max Voltage: 250V AC
- Relay Max Current: 2A
- Relay Max Switching Power: 60W, 62.5VA
- Relay Typical Switching Time: 1ms
- Relay Max Switching Time: 3ms
Shipping rates Australia wide
|Express Post*||Regular Post||Courier|
|Up to 500 gms||$9.79||$6.75||$15.99|
|Up to 3 kg||$15.00||$11.40||$15.99|
|Up to 5 kg||$30.00||$22.11||NA|
|Above 5 kg
||Estimated at checkout|
Shipping rates to New Zealand
|Australia Post international service|
|Up to 500 gms||$18.00|
|Up to 1 kg||$30.00|
|Above 1 kg
||Available on request|
- How do I estimate shipping for my order?
- Add products in the shopping cart and head to the checkout page to estimate the shipping.
Unless expressly agreed otherwise with you, we will not commence delivery of an order until we have received cleared payment of the purchase price in full.
All orders placed before 11 am AEST (Monday to Friday) will ordinarily be processed on the same day.
We will endeavour to ship the Products by the applicable time indicated on the website, but all times are indicative only. All shipping times are dispatch times only, and actual delivery dates will depend on the shipping method chosen, delivery address and delivery service provider.
Note- Please make a note during purchase if you require any item urgently. However we cannot guarantee that we will be able to comply with any request.
*Go to Australia post delivery time calculation to get various Australia post service in your area please use our shipping postcode Rosanna, 3084 as the "from" address - https://auspost.com.au/parcels-mail/delivery-times.html?ilink=tools-open-deliv-times.
We ship all products throughout mainland Australia, Tasmania and New Zealand - Including Darwin, Melbourne, Sydney, Tasmania, Adelaide, Brisbane, Perth, all metro and regional areas but do not deliver to areas in Australia where the Australia Post delivery network is not available.
Check Express shipping delivery coverage area at - http://auspost.com.au/parcels-mail/delivery-areas.html
Receipt of deliveries
Deliveries to post office boxes are not permitted where delivery is by courier. If delivery is by courier and nobody is available at the delivery address to accept delivery when delivery is attempted then the courier may either:
- leave the relevant parcel at the unattended address (the courier will do so if specified in your delivery requirements); or
- re-attempt delivery at a later time or date, in which case we may charge you an additional re-delivery fee.
Note that if a delivery is left unattended at the shipping address and is subsequently stolen then the theft is your responsibility, not ours.