The ABB SPAF140C is a discontinued frequency relay featuring dual-stage digital operation, compatible with 80-265V AC/DC and 18-80 VDC at 50 Hz. This model does not include a test adapter (RS 425 001-AA).
The ABB SPAF140C is a discontinued frequency relay featuring dual-stage digital operation, compatible with 80-265V AC/DC and 18-80 VDC at 50 Hz. This model does not include a test adapter (RS 425 001-AA).