ARWS - Autotransformer fan speed controllers with additional functions
Autotransformer regulators serve the purpose of airflow control, fitted in single-phase ventilation and heating systems. The transformers are made with Class II insulation and protection grade IP30 or IP54. The maximum ambient temperature is 40°C and thermal class of insulation B. Manufactured in compliance with EN 61558-2-13.
U1N1 – fuse protected, regulated output for motor; NL1 – fuse protected, 2A unregulated 230V voltage;
TK – motor protection from overheating (thermal contacts on the motor).
Rated current SEC: 1,5 – 14A
Rated voltage PRI: 230V 50/60Hz
Rated voltage SEC: 5-step regulation