A3RW - Three phase speed controllers
Autotransformer regulators serve the purpose of airflow control, fitted in three-phase ventilation and heating systems. The transformers are made with protectiongrade IP21, and equipped with indicator light. Maximum ambient temperature 25°C. Thermal class of insulation B (130°C). Manufactured in compliance with EN 61558-2-13.
Rated current SEC: 1,5 – 14A
Rated voltage PRI: 3x400V 50/60Hz
Rated voltage SEC: 5-step regulation