AC Relays



10A 240VAC DPDT Cradle Relay

10A 240VAC DPDT Cradle Relay

SKU: ER0044

$9.15

10A 24VAC DPDT Cradle Relay

10A 24VAC DPDT Cradle Relay

SKU: ER0045

$11.95

12-240V AC Multifunction Time Relay

12-240V AC Multifunction Time Relay

SKU: PS9052

$89.95 RRP $189.95

24-240V AC and 24V DC Multifunction Time Relay

24-240V AC and 24V DC Multifunction Time Relay

SKU: PS9050

$89.95 RRP $189.95

AC 40A SPST Solid State Relay

AC 40A SPST Solid State Relay

SKU: ER0057

$56.95

AC Relays

Shop AC relays at Aus Electronics Direct for reliable electrical switching and control applications. Our range includes 24VAC and 240VAC relays, solid-state relays and multifunction time relays designed for a variety of electronic and electrical projects. Whether you need an AC relay for automation, equipment control or switching electrical loads, explore relay options with different voltage ratings, current capacities and contact configurations. Choose from SPST and DPDT relay designs to suit your circuit requirements. Browse our AC relay range online at competitive prices.

FAQ

1. What is an AC relay?

An AC relay is an electrically operated switch designed to control electrical circuits using alternating current (AC). It allows one circuit to switch another circuit on or off, making it useful in electrical equipment, automation systems and industrial control applications.

2. What is the difference between an AC relay and a DC relay?

The main difference is the type of electrical supply used to operate the relay coil. AC relays are designed for alternating current, while DC relays operate using direct current. It is important to select a relay with the correct coil voltage and current specifications for your application.

3. What is a 240V AC relay used for?

A 240V AC relay is designed for applications requiring a 240V AC operating coil, provided its specifications match the intended circuit. It can be used in electrical equipment, control systems and automation applications where compatible voltage and switching ratings are required.

4. What is a 24V AC relay?

A 24V AC relay is an electrically operated switching device with a coil designed to operate from a 24V alternating current supply. It is commonly used in low-voltage control circuits, automation equipment and electrical control systems.

5. What is a solid-state AC relay?

A solid-state AC relay (SSR) uses semiconductor components instead of mechanical contacts to switch electrical loads. It provides silent operation, fast switching and reduced mechanical wear, making it suitable for applications involving frequent switching.

6. What does DPDT mean on an AC relay?

DPDT stands for Double Pole Double Throw. A DPDT relay has two separate switching poles, each capable of connecting between two contact positions. This configuration allows two circuits to be controlled simultaneously using a single relay.

7. How do I choose the right AC relay?

When selecting an AC relay, consider the coil voltage, contact voltage rating, maximum switching current, contact configuration and mounting requirements. You should also check whether an electromechanical or solid-state relay is better suited to your application.

 8. Can an AC relay switch a DC load?

Some relays with AC coils can switch DC loads, but this depends on the contact specifications and DC switching ratings. AC and DC switching ratings are different, so always check the manufacturer's datasheet before selecting a relay.

9. What is the difference between an electromechanical relay and a solid-state relay?

An electromechanical relay uses a coil and physical contacts to switch a circuit, while a solid-state relay uses electronic semiconductor components. Electromechanical relays provide physical contact isolation, whereas solid-state relays offer silent operation and no mechanical contact wear.

10. Where can I buy AC relays in Australia?

You can shop for AC relays online at Aus Electronics Direct. Explore available AC relay options, including different operating voltages, contact configurations and switching ratings to find a suitable relay for your electrical or electronic project.