Cabinet Fans
Heat Recovery Devices
Radial Fans
RFAB
RRAB
RALR
RDRS
RROB
RRYB
RFAK
RBAK
RBAO
RBOY
RBKK
RPGA
RALÇ
RSVR
RBPR
RBPY
REUM
RTRD
RTAD
RCAT
RCRD
RCAD
Duct Type Fans
Axial Fans
Roof Fans
Speed Control Devices
Accessories
Air Handling Units
Electrostatic Filters
Water Filter Systems
Jet Fans
Dehumidification Plant
VMTY
FREQUENCY INVERTERS
1-Phase alternating current is a modern velocity IPM-spwm-powered controller technique that can adjust the speed up high the motor from zero to the desired value starting torque. It is used in fans powered by a 1-phase motor. By adjusting the motor speed, help bring the fan flow rate to desired value.