Valtronika ERV-B electronic speed controller designed for controlling single phase AC fan motors by varying the supply voltage for smooth and silent regulation.
MAIN FEATURES
controller for single phase AC fan motors
speed control by voltage variation
reduced motor noise thanks to electronic control
possibility to connect multiple fans within rated current
continuous adjustment via rotary knob
wall mounting for indoor use
TECHNICAL DATA
model erv-b
brand valtronika
power supply 230 vac single phase
frequency 50/60 hz
protection class ip44 flush ip54 surface
maximum ambient temperature 30 c
dimensions approx 80x80x60 mm
APPLICATIONS
use for single phase fans in civil and industrial systems
ideal for ventilation, air extraction and air renewal
suitable for speed control of traditional AC fans
IMPORTANT NOTES
not compatible with EC motor fans or 0-10V control
check fan power and current before installation