The 131B7747 is a high-performance frequency converter designed for HVAC and industrial applications. It offers precise speed regulation, reduces energy consumption, and extends equipment lifespan. The drive features three-phase operation with a mains voltage range of 380-480 VAC and an enclosure rated IP55 / Type 12 with a backplate. It includes an RFI filter (H1, Class A1/B) for electromagnetic compatibility. The device expands control capabilities with three digital inputs (opto-decoupled, 0-24 V) and two analog inputs, providing flexible programmability. Additionally, it extends safety functions with features like Safe Torque Off, Safe Stop 1 (SS1), Safely Limited Speed (SLS), and Safe Maximum Speed (SMS). The model is suitable for ventilation, heating, and refrigeration systems, ensuring efficient and reliable operation.
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