Elta EC Electronic Controller (EL21)
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The Elta EC Electronic Controller (EL21) is a compact fan speed control unit designed to regulate the speed of compatible EC (electronically commutated) fans using a 0 – 10 V control signal. It’s ideal for adjusting airflow and performance in ventilation systems, allowing simple stepless speed adjustment while offering preset options such as minimum speed or trickle/boost. It’s rated for up to ~1.5 A full‑load current and works with EC fan control circuits.
Material & Construction:
• Durable electrical control components in a compact enclosure
• Potentiometer‑based 0 – 10 V speed control interface
• Compatible with variable frequency drives and EC fan control systemsSpecifications:
• Type: EC fan electronic speed controller (EL21)
• Control: 0 – 10 V control signal for stepless speed adjustment
• Max load: suitable for ~1.5 A fans/controllers
• Works with EC motors and VFD systems
• Preset and trickle/boost versions available