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LiftMaster LM3800TXSA Wall Mount Sectional | Garage Door Opener

Wall-mounted sectional garage door opener with 220–240V AC input, 40Nm max torque, 145W power, 433.92MHz receiver, 64 memory registers, soft start/stop, and 130kg lifting capacity.

 

AED 1,750

Product price:AED 1,750
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LiftMaster LM3800TXSA opener is a space-saving wall-mounted sectional garage door operator designed for Abu Dhabi homes, villas, and commercial garage doors where ceiling space matters. It supports sectional doors up to 4.2m high and offers a maximum lifting capacity of 130kg. The operator uses soft-start and soft-stop movement for smoother door travel, while automatic stop and obstacle detection add practical safety during daily use. It also includes encrypted rolling code radio technology and multiple memory registers for secure remote access.

Key Features and Technical Specifications

  • Official model: LiftMaster LM3800TXSA Sectional Garage Door Opener
  • Installation type: Wall-mounted, space-saving design
  • Suitable door type: Steel spring-balanced sectional garage door
  • Maximum door height: 4.2m
  • Maximum door width: 5.5m
  • Maximum door area: 16m²
  • Maximum lifting capacity: 130kg
  • Input voltage: 220–240V AC, 50/60Hz
  • Maximum torque: 40Nm
  • Nominal torque: 10Nm
  • Power: 145W
  • Standby power: 5W
  • Motor type: DC gearmotor with permanent lubrication
  • Noise level: 57dB
  • Travel rate: 24rpm down, 36rpm up
  • Operating frequency: 433.92MHz
  • Memory registers: 64
  • Radio technology: Encrypted rolling code
  • Operation: Soft-start and soft-stop function
  • Safety: Push-button stop, automatic stop, automatic force adjustment
  • Warranty: 2 years

Use Cases

Compatibility and Installation Notes

The LiftMaster LM3800TXSA is compatible with sectional doors using a torsion bar, springs, 80mm–178mm drums, a 25mm torsion bar, and door sizes within the manufacturer’s stated limits. Installation requires correct side clearance, ceiling clearance, torsion bar inspection, balanced door movement, cable tension checks, and a nearby electrical outlet. Professional installation is strongly recommended because springs, cables, brackets, safety reversal testing, and force settings can create serious risk when handled incorrectly. For technical setup details, check the official manufacturer installation manual.

Packing Includes

  • 1 x LiftMaster LM3800TXSA sectional garage door opener motor unit
  • 2 x 94335E transmitters
  • 1 x 041A4166 wired push button
  • 1 x G770E accessory

Why Buy from POWERgate Abu Dhabi

POWERgate Abu Dhabi supplies automation products with local support for customers who need reliable product guidance, compatibility checking, and professional installation advice. For garage door automation, choosing the correct opener is not enough; the door balance, spring system, safety accessories, and site conditions must also be checked before installation.

Buy LiftMaster LM3800TXSA today from PowerGate Abu Dhabi. Call/WhatsApp: +971 50 884 4933 or email us: sales@powergatead.com.

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The LiftMaster LM3800TXSA mounts on the side wall of the garage alongside the door rather than on the ceiling above it. This is the correct choice when ceiling height is insufficient for a ceiling-mounted unit, when ceiling structural points are unavailable or unsuitable for mounting, or when the garage has an unusually high door (up to 4.2m) where a ceiling rail would need excessive extension. For Abu Dhabi villas with low ceiling clearance or when renovating without disturbing the existing ceiling, the wall-mount design provides a practical alternative.

The LiftMaster LM3800TXSA’s 36 rpm opening speed and 24 rpm closing speed reflect a deliberate asymmetric design. Opening faster reduces the wait time for vehicles and pedestrians entering. Closing slower gives more time for obstacle detection to respond before the door reaches the ground — reducing the risk of the door striking an object or person during descent. Closing under gravity is also easier for the motor to control at reduced speed, keeping the final approach to the closed position gentler on the door’s seals and weather stripping.

The LiftMaster LM3800TXSA is mechanically compatible only with sectional garage doors using a 25mm round torsion bar and cable drums with 80–178mm diameter. Before specifying the LM3800TXSA for an Abu Dhabi garage, the installer must measure the existing torsion bar diameter and drum diameter to confirm compatibility. A non-standard torsion bar (square section, or different diameter) or incompatible drums cannot be driven by the LM3800TXSA’s wall-mount coupling without modification. For new installations, the correct drum and bar set must be specified alongside the motor.

The LiftMaster LM3800TXSA publishes two torque figures: 40 Nm maximum torque (the peak torque available at motor startup to overcome a 130 kg door’s inertia) and 10 Nm nominal torque (the sustained running torque during steady-state door travel). The gap between them reflects the motor’s current surge at startup versus its continuous operating torque. Obstacle detection is calibrated to the nominal 10 Nm profile, not the 40 Nm peak — any sustained deviation above nominal during travel triggers an automatic stop and reversal.

The LiftMaster LM3800TXSA and LiftMaster LM130EV both handle large sectional doors and use 24V DC motors. The LM3800TXSA is wall-mounted, 433 MHz only, 64 registers, 57 dB, 5W standby, 130 kg at 145W. The LM130EV is ceiling-mounted, dual 433+868 MHz, 180 registers, 0.8W standby, 200 kg at 1300N. Kit includes: LM3800TXSA unit, 2× 94335E transmitters, 1× wired push button, and 1× G770E accessory. Contact POWERgate Abu Dhabi on WhatsApp (+971 50 884 4933) or sales@powergatead.com.

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