131U1521 is a frequency converter designed for precise speed regulation, energy efficiency, and extended equipment lifespan. It features advanced control capabilities suitable for HVAC and industrial applications demanding reliable performance. The device supports a mains voltage range of 380-500 VAC, with an enclosure rated IP55 / Type 12 backplate, ensuring durability in demanding environments. Additionally, it includes options for manual override, solenoid energization, spool position monitoring, and RFI filtering to meet various operational requirements.
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