CM-PVS.81P is part of the ABB Transfer Switch family. It is a transfer switch rated for three-phase, 4 wire, AC 50/60 Hz circuits up to 24kA. It is a compact, outdoor rated cast iron switch which provides both manual and remote control for power transfer operations. It includes a variety of options for single-phase and three-phase operation, such as base-mounted selector switches, current transformers, and phase sequencing relays. It is suitable for both service and integrated transfer applications such as HVAC, elevators, and water treatment systems.