ARM - Transformers for speed controller
Autotransformer fan speed controllers serve the purpose of airflow control. Designed for installation in ventilation and heating systems. The transformers are made with Class I insulation and protection grade IP00 (for IP30 and IP54, please consider choosing ARW controllers). Maximum ambient temperature 40°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: 230V 50/60Hz
Rated voltage SEC: 5-step regulation (230, 180, 155, 135, 115 V)