Static Transfer Switches- STS

TOP PERFORMANCE FOR HIGH POWER CRITICAL LOADS

Power Quality category

STS have high performance STS, up to 3000A with extremely short transfer time (<=5ms). Their overload capability enables its use also in heavy duty applications. Thanks to their internal redundancy and oversizing it guarantees maximum reliability.

PERFECT FOR

Voltage and frequency continuous monitoring and synchronizing
Extremely rapid automatic transfer (<= 5ms) thanks to continuous synchronisation, without sources connection
No transfer under short circuit after the STS, to keep up the current until the correct protections work
Continuous check of the SCR proper working and backfeed protection
Dual bypass, one per source, to achieve total sources independence in case of maintenance
Maximum reliability thanks to redundant internal power supplies and cooling, plus oversizing of the neutral
Front access for easy maintenance
Bottom connection as a standard, top connection possible to simplify installation in any condition
Wide communication offer as a standard: dry contacts, RS 232, RS485
Use of Circuit Breakers, for best protection in all conditions
Operation without Neutral