NEW LMD-2.U12 | Triac motor drive

8. 12. 2025

The LMD-2.U12 brings next-level precision and elegance to AC load control.
It is engineered for modern OEM designs that demand dependable performance and advanced functionality in a compact form factor.
The device ensures exceptionally smooth and energy-efficient operation, making it ideal for HVAC systems, lighting environments, and a wide spectrum of compact AC-driven equipment.

Built around a refined TRIAC phase-angle architecture,
the LMD-2.U12 delivers precise and stable modulation of motor speed and power levels. Its dual-mode control concept offers intuitive local adjustment through integrated potentiometers and seamless remote management via a standard 0–10 V control signal.

LMD-2.U12_Connection_Schemes_Web

This versatility allows manufacturers to integrate the controller effortlessly into both simple and complex control environments.

Designed with long-term reliability and installation simplicity in mind, the LMD-2.U12 provides consistent premium performance while minimizing commissioning effort.

For fast and clean integration, the device comes pre-assembled with a 1-meter power supply connection cable and a 1-meter input control cable, ensuring quick plug-and-play deployment in OEM production processes.

With its robust operation, broad application compatibility, and compact sophistication, the LMD-2.U12 stands as the preferred choice for manufacturers seeking high-quality, dependable, and refined AC control technology across their product lines.

FEATURES

Feature	Description	Benefit to User
TRIAC Variable Voltage Output	Allows precise phase-angle control for AC motors and TRIAC-compatible loads.	Smooth speed adjustment for fans and dimming control for lighting, improving energy efficiency and comfort.
Standard Compliance Testing Method	EN 60730-1:2016 + A1:2019 (clause H.23, H.26 and annex ZD)	Ensures safe operation and demonstrates compliance with EN 60730-1:2016 + A1:2019 testing requirements.
Load Capacity up to 300 VA	Supports a wide range of small to medium motors or lighting loads.	Ensures compatibility with most single-phase appliances in industrial or commercial settings.
Multiple Control Options	Control via integrated potentiometers, external potentiometer, or external 0–10 V DC signal	Provides maximum flexibility for manual or automated control systems.
Integrated Voltage Trimmers	Fine-tune the minimum and operating TRIAC phase-angle switching.	Prevents flickering at low outputs and ensures stable operation across all power ranges.
Pre-installed Connection Cables (1 m)	Includes power supply and input cables with ferrule-equipped ends.	Simplifies installation and reduces setup time.
Diagnostic LED	Green LED indicates device status and output intensity.	Quickly assess operation and troubleshoot without opening the unit.
Compact Design (110 x 45 x 45 mm)	Lightweight and easily mountable.	Ideal for integration into tight spaces or existing enclosures.
Operating Environment Flexibility	Temperature range 0–50°C, humidity ≤95%	Suitable for diverse indoor industrial or commercial environments.

USE CASES

AC Motors Control

Elevate your HVAC and motor-driven systems with precise and energy-efficient control.
The LMD-2.U12 excels at regulating single-phase shaded-pole and PSC motors, delivering smooth airflow and optimal performance across applications such as
➢ fan coil units (FCUs),
➢ convectors (wall, floor, trench),
➢ air preparation units (APUs),
➢ HRV/ERV systems,
➢ compact ventilation modules,
➢ dehumidifiers,
➢ portable HVAC devices,
➢ and bathroom/kitchen/duct fans up to 300 VA.
Its adjustable phase-angle limits ensure reliable operation, giving OEMs a dependable solution for high-quality airflow control.

Lighting Control

Achieve exceptional dimming precision for modern lighting systems.
The LMD-2.U12 supports a wide range of leading-edge TRIAC-dimmable lighting solutions, including:
➢ LED drivers,
➢ dimmable lamps,
➢ halogen,
➢ incandescent luminaires,
➢ as well as architectural and industrial fixtures with compatible drivers.
The result is smooth, flicker-free light control that enhances user experience while maintaining efficiency and long-term reliability.