What is a Static Transfer Switch?

A Static Transfer Switch (STS) is a solid state high-speed switching device that can transfer a load between two alternating current (AC) power sources and can be single or three-phase (3-pole or 4-pole).

< Return to FAQ category: Power Management

Who We Are

We have over 25 years of experience in the design, installation and maintenance of renewables power and energy solutions including solar PV panels and solar thermal panels, electric vehicle charging points, battery energy storage, onsite power generation and backup power solutions. Every day we help domestic, commercial and industrial users to reduce their energy costs, reduce their reliance on the grid and contribute towards a net-zero carbon economy.

Fast Deliveries

Expert Advice

Local Service

Price Guarantee

Finance Available

What is a Static Transfer Switch?