SSR Solid State Relay

SSR Solid State Relay in Pakistan

A solid state relay (SSR) is an electronic switching device that switches on or off when an external voltage (AC or DC) is applied across its control terminals. They serve the same function as an electromechanical relay, but as solid-state electronics contain no moving parts and have a longer operational lifetime.

Unlike electromechanical relays (EMR) which use coils, magnetic fields, springs, and mechanical contacts to operate and switch a supply, the solid state relay, or SSR, has no moving parts but instead uses the electrical and optical properties of solid-state semiconductors to perform its input to output isolation and switching functions.

Just like a normal electromechanical relay, SSRs provide complete electrical isolation between their input and output contacts with its output acting like a conventional electrical switch in that it has very high, almost infinite resistance when nonconducting (open), and very low resistance when conducting (closed). Solid state relays can be designed to switch both AC or DC currents by using an SCR, TRIAC, or switching transistor output instead of the usual mechanical normally-open (NO) contacts.

IndustryParts.pk is The Online Shopping website for SSR Solid State Relay. Here you get Fotek Single Phase SSR Solid State Relay at a reasonable price in Karachi, Lahore, Islamabad, Rawalpindi, Peshawar, Quetta, Multan, and all over Pakistan.

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1 x SSR Solid State Relay in Pakistan

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