Electronic potentiometer fan speed controller | 2.5 A | flush / surface mounting | with LED indicator | LTY-0-25-AT

Technical Specifications:
Purpose: For speed control of single-phase fans
Rated current: Up to 2.5 A
Input voltage: 230 VAC ±10 %, 50 Hz
Adjustable output: 80–230 VAC
Non-adjustable output: 230 VAC, max. 2 A
Minimum speed setting: 80–180 VAC
LED indication: Yes, shows non-adjustable output activity
Mounting type: Flush-mounted (IP44) or surface-mounted (IP54)
Maximum operating temperature: +35 °C
Compliance with standards:

Low Voltage Directive 2006/95/EC

EMC Directive 2004/108/EC

Features:

Smooth fan speed control via potentiometer

Control of non-adjustable output with LED indication

Ability to set minimum speed (protection against too slow operation)

Compact design, suitable for both flush and surface mounting

Easy connection and use

Suitable for various indoor ventilation systems, actuators, or valve control

Applications:

Residential or commercial ventilation

Fan speed control in toilets and bathrooms

Airflow regulation in offices, warehouses, boiler rooms

Control of valves or small electric actuators

Pros:

Simple and reliable manual control

Compact design – suitable for both flush and surface mounting

LED indicator helps monitor system status

Ability to set precise minimum speed

Silent operation due to triac-based regulation

Meets EU safety and EMC requirements

Cons:

Not suitable for three-phase or current-regulated motors

Maximum current limited to 2.5 A – not suitable for high-power devices

Works only with voltage-controlled motors (not with frequency inverters)