A range of manufacturing and production processes rely on current-operated relays to provide a continuously adjustable trip-current setting. They are able to protect mechanical apparatus from jam-up ...

This application note presents different types of overvoltage protection devices for solid-state relays. The document also provides suggested recommendations on their selection and use with the Vishay ...

To be competitive, some electrical contractors often supply low-voltage (LV) service entrance switchboards and switchgear that meet the minimum safety requirements of the National Electrical Code (NEC ...

With the new Reyrolle 5 series of protection relays, Siemens is further developing its offerings for medium-voltage and industrial power networks. The protection, control, monitoring and measuring of ...

Schweitzer Engineering Laboratories has released the SEL-851 Feeder Protection Relay, which provides overcurrent, voltage and arc-flash protection for utility and industrial applications. This compact ...