RSBT4016EV21HP is a three-phase controlled soft starter designed for scroll compressors up to 32 Amp nominal current. It features a patented auto-adaptive algorithm that automatically adapts to the specific compressor being controlled, ensuring optimum inrush current reduction without user settings. The unit operates at 400 VAC (340-440 VACrms) with a rated operational current of 16 Arms at 40°C, control voltage of 110-400 VAC, and includes integrated bypass relays for reduced heat dissipation. With a ramp-up time of less than 600 ms and protections for over-temperature, overcurrent, and locked rotor conditions, this HP version is optimized for multi-compressor systems and high pressure starts. The DIN mount design with RFPMV00 module ready mounted makes it suitable for HVAC and refrigeration applications requiring reliable compressor soft starting.