St John X3 Defibrillator

$1,995.00
In stock
SKU: 888X3S

The St John X3 Semi-Automatic Defibrillator is designed to help responders act quickly and confidently during a sudden cardiac arrest. Combining semi-automatic shock delivery, clear voice prompts and an integrated colour display, the X3 guides users through every stage of the rescue process, helping them provide effective treatment when every second counts. 

Purpose-built for Australian workplaces, community organisations, sporting clubs and public-access environments, the X3 features a compact and lightweight design without compromising durability. Automatic daily self-testing continuously monitors the device to help ensure it is ready when needed, while its IP55 rating provides protection against dust, water and challenging conditions. 

The X3's colour display provides step-by-step visual guidance alongside voice instructions, helping both trained and untrained responders follow the rescue process with confidence. A dedicated Adult and Child mode button allows users to switch between treatment settings instantly, eliminating the need for separate paediatric pads and helping simplify emergency response. Combined with intelligent heart rhythm analysis and a built-in shock button, the X3 delivers advanced functionality in a portable and easy-to-use AED.

Key Features

  • Semi-automatic operation delivers a shock at the press of a button when a shockable rhythm is detected
  • Colour display with step-by-step visual guidance and clear voice prompts
  • Dedicated Adult and Child modes eliminate the need for separate paediatric pads
  • Intelligent heart rhythm analysis helps determine whether a shock is required
  • Automatic ECG recording captures and stores event data
  • Daily self-testing helps ensure the AED is rescue ready
  • IP55 rating for protection against dust and water ingress
  • Rugged design drop-tested to 1.5 metres
  • Integrated failsafe shock button enhances operational safety
  • Compact, lightweight design for easy portability

What's Included

  • St John X3 Semi-Automatic Defibrillator
  • Electrode Pads
  • Battery Pack
  • St John AED Ready Kit, including:
    • Gloves
    • Razor
    • Shears
    • Gauze Swabs
    • Resuscitation Mask
    • Alcohol Wipes
  • 8-year manufacturer's warranty
Operation

Semi-Automatic

Shock Energy

Adult: 150J, Child: 50JIP Rating: IP55

Dimensions

23.2cm (H) x 20.9cm (W) x 5.9cm (D)Weight: 1.5kg (including battery and pads)

Battery Life

4 years from date of manufacture

Pad Life

4 years from date of manufacture

Warranty

8 years

We aim to dispatch orders on the next business day for purchases placed before 10:00am AEST/AEDT (Sydney time).

Orders are shipped Australia-wide using Australia Post and trusted delivery partners. Once your order has been dispatched, you'll receive tracking details via email or SMS so you can follow its progress.

Please note that delivery timeframes may vary depending on your location and factors outside our control. For the latest delivery information, please visit the Australia Post website.

For oversized items, such as medical stretchers, we may use a specialist courier service.

We currently ship within Australia only.
$15 Flat Rate Shipping

To most locations in Australia

Next Business Day Dispatch

Get your order fast

Trusted Quality

First Aid Kits Since 1888

St John X3 Semi-Automatic Defibrillator

Voice Prompts

Delivers clear audio instruction to guide rescuers during an emergency.

Adult & Child Mode Button

Switches between adult & child treatment modes at the touch of a button, eliminating the need to change pads during an emergency.

Shock Button

Allows the rescuer to manually deliver a shock when instructed by the AED.

Rugged IP55 Design

Provides protection against dust and water for use in a wide range of environments.

Automatic Self-Testing

Performs daily self-checks to help ensure the device is ready for use.

Colour Display Screen

Provides step-by-step visual guidance throughout the rescue process.

Product Comparison

  • St John G5 FA Defibrillator with CPR Feedback

    The St John G5 Defibrillaotr with CPR Feedback combines ICPR and RescueCoach technology to guide the rescuer step-by-step through the rescue to promote optimal technique.

    Learn More

  • St John X1 Semi-Automatic Defibrillator

    The St John X1 Defibrillator is designed for a quick response in an emergency. With clear audio prompts and built-in safety features, it ensures confident use in a sudden cardiac emergency.

    Learn More

  • St John Pocket AED

    The St John Pocket AED combines the life-saving capability of a traditional AED with a compact, lightweight design that can go almost anywhere.

    Learn More

St John X3 Semi-Automatic Defibrillator FAQ

No. The X3 is designed for use by both trained and untrained responders. Clear voice prompts and step-by-step visual guidance on the colour display help users through each stage of the rescue process with confidence. While training is not required, first aid and CPR training can help users feel more prepared in an emergency.

A semi-automatic AED analyses the patient's heart rhythm and prompts the rescuer to press the shock button if a shock is required. A fully automatic AED delivers the shock automatically once a shockable rhythm is detected. Both types of AEDs provide the same life-saving treatment.

Yes. The X3 features dedicated adult and child treatment modes that can be selected at the touch of a button. This allows the device to adjust its therapy settings for children without requiring separate paediatric pads, helping simplify emergency response.

The X3 combines clear voice prompts with a colour display that provides visual guidance throughout the rescue process. It also features built-in Adult and Child treatment modes, allowing users to switch settings at the touch of a button without changing pads, helping simplify emergency response.

The X3 performs automatic daily self-tests to monitor the device and help ensure it is ready for use when needed.

The battery has a standby life of up to 4 years from the date of manufacture, while the electrode pads have a shelf life of up to 2 years from the date of manufacture. Always refer to the expiry information displayed on the battery and pads.

Yes. The X3 is designed for workplaces, schools, community facilities, sporting clubs and public-access environments where rapid access to a defibrillator may be needed during a cardia emergency.

Yes. With an IP55 rating for protection against dust and water, the X3 is suitable for a wide range of indoor and outdoor environments. It is designed to withstand challenging conditions, including vibrations, temperature fluctuations and higher altitudes.