Catalog excerpts
Autotransformer single-phase fan speed controllers ARW 1,5 - ARW 14,0 Rated current SEC: Rated voltage PRI: Control type: Autotransformer fan speed controllers serve the purpose of airflow control in single-phase fan motors controlled by voltage. Mounted in industrial ventilation or heating installations. The rotary knob on the housing panel is used for setting the rotational speed. Equipped with an independent switch indicating activation by backlight. The transformers are made with Class II insulation and protection grade IP54, maximum ambient temperature 40°C, thermal class of insulation B (130°C). Manufactured in compliance with EN61558-2-13. ul. Postępowa 25/27, 93-347 Łódź, Poland tel. (42) 640-15-39, fax: (42) 640-15-41 sales@brevetrafo.com, www.brevetrafo.com Due to the constant development of the construction and changes in technical requirements, Breve Tufvassons reserves the right to change the above parameters.
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