LEXO Automation Powertech Mastiff 400L Swing Gate
LEXO Automation Powertech Mastiff 400L Swing Gate
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Mastiff 400L Swing Gate Opener
The LEXO Automation Powertech Mastiff 400L is a heavy-duty 24V DC swing gate opener engineered for large residential gates up to 4.5m long or 450kg per leaf. Featuring a precision worm-gear motor, die-cast aluminium body and smooth soft-motion performance, it provides reliable automation for wide, heavy or wind-loaded gates. Available as a Single Kit, Double Kit or Arm-Only, the Mastiff 400L is built for high-demand environments, semi-rural properties and premium installations requiring power and durability.
What’s Included:
Choose between a Single Kit, Double Kit or Arm Only.
The single and double kits will include:
- Lexo Automation Powertech Mastiff 400L 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: High-torque drive provides consistent operation with a peak thrust of approximately 4,500 N, ideal for heavy swing gates.
- Heavy-Duty Design: Supports gates up to 4.5 m long or 450 kg per leaf, perfect for wide or solid gate designs.
- Die-Cast Aluminium Housing: Ensures corrosion resistance and protection against harsh weather.
- Smooth & Quiet Operation: Worm-gear transmission delivers steady motion with minimal noise.
- Built-In Obstacle Detection: Automatic stop and reverse function prevents damage and enhances safety.
- Manual Key Release: Allows manual operation in case of power failure or emergency.
- Pedestrian Mode: Partial-open option for convenient foot or bicycle access.
- Wide Temperature Range: Reliable performance from –20 °C to +50 °C.
- Low-Voltage Safety: 24 V system ensures safe and efficient operation.
- Easy Installation & Setup: Adjustable mounting points and clear limit settings for smooth installation.
Ideal Applications:
- Residential Driveways: Perfect for homes requiring smooth, powerful gate automation.
- Semi-Rural Properties: Handles larger, heavier gates often found in acreage or rural entrances.
- Decorative or Timber Gates: Strong motor design ideal for gates with additional wind or weight load.
- Shared Entrances & High-Traffic Homes: Designed for reliability under frequent daily operation.
- Replacement or Upgrade Projects: A robust solution for upgrading from smaller or underpowered openers.
Technical Specifications:
| Max. Leaf Length | 4.5m |
| Max. Leaf Weight | 450kg |
| Operation Stroke | 540mm |
| Gear Type | Worm Gear |
| Motor Type | 24V DC |
| Input Power | 220 - 240 VAC (50 Hz) |
| Max. Force | 4500N |
| Absorption | 6A |
| Power | 144W |
| Duty Cycle | 50% |
| IP Rating | IPX4 |
| Operating Temperature | -20C to 50C |
| Built in Limit Switch | Yes |
| Opening Time | Less then 18s |
| Manual Release | Key |
| Dimensions | 1,027 x 123 x 124mm |
| Warranty | 2 Years Manufacturers Warranty |
Button/coin batteries can cause severe injuries or even death when swallowed. Keep batteries out of reach of children. If you suspect a child has swallowed or inserted a button/coin battery, seek medical attention immediately.
Downloads:
This product contains a button or coin cell battery. To prevent possible SERIOUS INJURY or DEATH:
- Keep new and used batteries out of reach of children at all times.
- Do not use this product if the battery compartment is damaged or does not close securely.
- Dispose of used batteries immediately and safely — even flat batteries can cause serious harm.
- Do not ingest the battery. Chemical burn hazard.
- If you suspect a battery has been swallowed or inserted, act immediately — severe or fatal injuries can occur within 2 hours.