Page top

Building Automation


Industrial Automation


Power Automation & Safety

Bangladesh Distributor

Lead Contents

FAQ02159 of Solid-state Relays FAQ

FAQ No. FAQ02159

Primary Contents

Question

Is it possible to connect Solid-state Relays (SSRs) in series?

Answer



Yes, it is. SSRs are connected in series mainly to prevent short circuit failures. Each SSR connected in series shares the burden of the surge voltage. The overvoltage is divided among the SSRs, reducing the load on each.


A high operating voltage, however, cannot be applied to the SSRs connected in series. The reason is that the SSRs cannot share the burden of the load voltage due to the difference between the SSRs in operating time and reset time when the load is switched.

Recommended Products

MY

New Latching Levers for Circuit Checking Added to Our Best-selling MY General-purpose Relays

LY

Power-switching Compact General-purpose Relays

G3PE (Three-phase)

Compact, Slim-profile SSRs with Heat Sinks. Solid State Contactors for Three-phase Heaters Reduced Installation Work with DIN Track Mounting.

Other Solid-state Relays FAQ