Static Transfer Switches – STS
TOP PERFORMANCE FOR HIGH POWER CRITICAL LOADS
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.
Transfer Switches – STS / ATS
Features
- 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
Options
- Isolation transformer
- Plug-in breakers
- Additional dry contact board
- 4-pole configuration
- E-box open chassis version
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