Electronic Fan Speed Controllers

Complete Control Solutions for Ventilation Systems

The Electronic Fan Speed Controller range provides a versatile and reliable solution for precise airflow control in HVAC and ventilation systems. Combining the simplicity of manual control with advanced protection and automation features, the range includes both standard SC controllers and enhanced SC TK controllers for more demanding applications.

Product Range Overview

SC Controllers – Standard Speed Control

The SC Controller range offers simple, infinitely variable speed control for single-phase AC fans, making it ideal for everyday ventilation applications.

Key Features:

Infinitely variable manual speed control
Adjustable minimum speed setting
Integrated on/off switch
Compact design for flush or surface mounting
Suitable for indoor installations

Performance:

Voltage: 230V / 50–60Hz
IP rating: IP44 (flush) / IP54 (surface)
Load capacity up to 3.0A (SC5030)

✅ Ideal for: Basic fan speed adjustment where simple, reliable control is required

SC TK Controllers – Advanced Control with Protection

The SC TK Controller range builds on the standard SC functionality by incorporating advanced motor protection, smart control options, and system integration features.

Key Features:

Stepless speed control with adjustable voltage output
TK thermal monitoring for motor overheating protection
Kick start or soft start selection
Remote on/off switching (NO/NC)
Alarm output for fault indication
LED indicators for run and fault status
Adjustable minimum and maximum speed limits

Performance:

Voltage: 110–240V / 50–60Hz (auto detection)
Protection rating: IP54
Load options: 3A, 5A, 6A, and 10A models
Operating temperature: -20°C to +35°C

✅ Ideal for: Advanced systems requiring protection, automation, and precision

Key Benefits Across the Range

🎛️ Accurate Airflow Control

Smooth adjustment from low to full speed
Enables precise tuning of ventilation performance

⚡ Energy Efficiency

Optimises fan performance to reduce energy usage
Prevents unnecessary high-speed operation

🛡 Motor Protection (TK Range)

Protects motors from overheating and damage
Extends system lifespan and reliability

🔧 Flexible Installation

Compatible with single-phase AC fans
Options for flush or surface mounting
Wide voltage compatibility (TK models)

🔄 System Integration

Remote switching capability
Alarm and auxiliary outputs (TK range)
Suitable for integration into modern HVAC control systems

Comparison Summary

Feature	SC Controllers	SC TK Controllers
Speed Control	Manual variable	Advanced stepless control
Motor Protection	Standard	✔ TK thermal protection
Voltage Range	230V	110–240V auto detection
Control Type	Basic	Advanced + remote control
Start Function	Standard	Kick start / Soft start
Integration	Limited	Full system integration
Application Level	Residential / Light commercial	Commercial / Industrial

Applications

HVAC systems
Commercial ventilation
Industrial extraction systems
Air handling units
Ducted fan systems

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