A3RM

A3RM

Product catalog summary
Overview: The document describes the A3RM series of autotransformer three-phase fan speed controllers, designed for airflow control in industrial ventilation or heating systems. These controllers utilize a V-connection with two transformers and offer a five-stage output voltage regulation.
Specifications:
  • Insulation Class: Class I
  • Protection Grade: IP00
  • Maximum Ambient Temperature: 40°C
  • Thermal Class of Insulation: B (130°C)
  • Compliance: EN61558-2-13
  • Rated Current: 1.5 - 14A
  • Rated Voltage: 3 x 400V 50/60Hz
Control and Mounting: The controllers are open version, suitable for installation in industrial systems. They feature a five-step regulation system with output voltage available from the autotransformer's taps.
Dimensions and Models: The document provides detailed dimensions for various models, including A3RM 1.5, A3RM 3.0, A3RM 4.0, A3RM 10.0, A3RM 2.0, A3RM 7.0, and A3RM 14.0, with corresponding weights and dimensions.
Wiring Diagram: A wiring diagram is included, detailing the connections for L1, U1, L2/V1, W1, L3, SEC, and PRI.
Manufacturer Information: Breve Tufvassons, located in Łódź, Poland, reserves the right to change parameters due to ongoing development and technical requirement changes.
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Catalog excerpts

A3RM-1

Autotransformer three-phase fan speed controllers Rated current SEC: Rated voltage PRI: Control type: Autotransformer fan speed controllers (two transformers in Vconnection) serve the purpose of airflow control in three-phase fan motors controlled by voltage. Open version, designed for installation in industrial ventilation or heating systems. A five-stage output voltage available from the subsequent taps of the autotransformer, led out to the electrical connector. Made with Class I insulation and protection grade IP00. Maximum ambient temperature 40°C, thermal class of insulation B (130°C). Manufactured in compliance with EN61558-2-13. WIRING DIAGRAM ul. Postępowa 25/27, 93-347 Łódź, Poland tel. (42) 640-15-39, fax: (42) 640-15-41 [email protected], 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 paramete

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.