Emerson SP3406 Unidrive SP AC Variable Frequency Drive is a 500–575 V AC drive in the Unidrive SP family, rated for 18–22 A. It provides variable-frequency motor control for equipment powered by high-voltage AC networks, enabling speed and torque adjustment through controlled frequency output. Key specifications for this model are 500–575 V input and 18–22 A current rating, making it a suitable choice for industrial VFD installations requiring a compact 500–575 V solution.
