PRODUCTS

JOSEF STR-F2/125VDC anti-interference time relay for building power distribution

Used for metallurgical steel rolling STR-F1/111VDC anti-interference time relay JOSEF

STR-F5-R series power outage delay time relay JOSEF is used in smart homes and urban communities

Safe and stable, long electrical life STR-F2/220V DC time relay JOSEF

Silent and noise free, fast computation STR-F1/110VDC anti-interference time relay JOSEF

Used for aerospace JOSEF Joseph STR-F2 non power start anti-interference time relay

Used for relay protection device STR-F1/125VDC time relay JOSEF

STR-F1/220V DC time relay JOSEF used for digital substation lines

Used for hydraulic and hydroelectric STR-F5-S/125VDC power on delay time relay JOSEF Joseph