Schneider Drives, Schneider Compact Design, Built-in Safe Torque Off (STO)
The Altivar 21 drive is a frequency inverter for 0.75 kW to 75 kW three-phase asynchronous motors. It has been designed for state-of-the-art applications for the building market (HVAC) in the service industry, including ventilation, heating, air conditioning and pumping.
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