E. Dold & Söhne BH 9250.03 001 is a semiconductor contact (BH9250) from the BH series. It specifies a 24 VDC input and a 480 VAC capability, indicating it is designed to switch an AC load controlled by a 24 VDC signal. The BH 9250.03 001 variant identifies this particular configuration within Dold’s BH product line.
