The ABB 1SFA899302R1570 is a PSCT-570 current transformer designed for use with the PSTX series of softstarters. It is part of the softstarter accessory family, providing current sensing for motor starting applications.
The PSCT-570 mounts to the PSTX softstarter frame, providing the current transformer function integral to the softstarter's motor protection and control logic. It is a dedicated accessory, not a general-purpose current transformer for panel mounting.
