Lexo Automation Powertech Mastiff 300 Swing Gate

Mastiff 300 Swing Gate Opener

The LEXO Automation Powertech Mastiff 300 is a compact 24V DC swing gate opener designed for smaller residential gates up to 3m per leaf or 300kg. With smooth worm-gear drive, die-cast aluminium housing and a built-in physical stopper, it provides reliable and quiet daily operation for standard home driveways and courtyard-style gates. Available as a Single Kit, Double Kit or Arm-Only, it offers dependable automation in a cost-effective format built for Australian conditions.

What’s Included:

Choose between a Single Kit, Double Kit or Arm Only.

Kits will include:

• Lexo Automation Powertech Mastiff 300 Arm (single or double)
• Mounting Hardware and Brackets
• Manual Release Keys
• Control Board in Enclosure 
• 2 x Remotes
• Installation User Manual

Arm only will not include Control Board in Enclosure or Remotes. 

Key Features:

• Powerful 24 V DC Motor: Designed for consistent, reliable performance with a peak thrust of approximately 3,000 N.
• Compact & Strong Design: Suitable for gates up to 3 m long or 300 kg per leaf — ideal for standard residential setups.
• Die-Cast Aluminium Housing: Provides corrosion resistance and long-term durability outdoors.
• Smooth & Quiet Operation: Worm-gear drive ensures stable motion with minimal vibration and noise.
• Built-In Physical Stopper: Simplifies installation and prevents over-travel, protecting gate and mechanism.
• Manual Key Release: Enables manual operation in case of power failure or emergency.
• Pedestrian Mode: Allows partial gate opening for convenient foot or bike access.
• Low-Voltage Safety: 24 V system for efficient, safe, low-energy operation.
• Reliable Performance: Operates smoothly in temperatures from –20 °C to +50 °C.
• Easy Installation & Setup: Adjustable brackets and clear travel settings for quick configuration.

Ideal Applications: 

• Residential Driveways: Perfect for small to mid-sized gates at home entrances.
• Urban & Suburban Properties: Compact motor fits narrow posts or confined installations.
• Lightweight Gates: Ideal for aluminium, steel-frame, or picket-style swing gates.
• Single or Double Gate Automation: Suitable for driveways or courtyard access.
• Upgrade Projects: Great replacement for older or less efficient small-gate openers.

Technical Specifications: 

Downloads: