The S-PRO 4000 relay provides real-time processing of voltage and current signals with sub-harmonic monitoring at 1 Hz intervals between 5 Hz and 25 Hz (5 Hz, 6 Hz, 7 Hz… 23 Hz, 24 Hz and 25 Hz).

The circuit was designed to provide a monitoring scheme for a telephone line where several phones are installed, to indicate when one is being used. 4N25 – a general purpose optocoupler that consists ...

The new 3-phase monitoring relay from Teledyne is designed to meet the requirements of electrical engineers, panel builders and automation engineers. It is designed to protect motors and other 3-phase ...

ABB has introduced a new grid feeding monitoring relay for wind applications. The new low-voltage grid feeding monitoring relay CM-UFD.M33, also known as the Grid Tie Relay, is a state of the art ...

The M-949-11 Line Sense Relay is a small, PCB-mounted loop current detector with the safety and reliability features required for UL and British Standard (BSI) regulated telephone applications. The ...

AutomationDirect has added new phase and voltage monitoring relays from ProSense. The PMRU-2C series true RMS phase monitor relays protect 3-phase equipment from damage that can occur when there is a ...

A relay module is an electrical component. Various industries use this circuit board that houses one or more electric switches or relays in different circuits and electrical projects. Relay boards are ...