3 Phase Static Transfer Switch
The STS is built with two independent power inlets. The load normally runs from the primary source. If the primary source fails, the secondary source...
View SpecificationsPain Points
- A single utility feed failure takes racks down even though a second feed exists
- Mechanical changeover gear is too slow for switch mode supplies
- Return to the primary feed after a fault relies on somebody being on site
- Every watt lost in switchgear becomes heat the cooling plant has to remove
What The Specification Has To Deliver
- Sub 10 ms transfer
- Automatic return to priority source
- Metering on the cabinet
- High efficiency
Recommended Products
Equipment For This Sector
Typical Scenarios
Where It Gets Installed
- Dual feed server rooms
- Telecom equipment rooms
- Transfer ahead of a UPS bank
How A Project Runs
From Survey To Delivery
Feed and load audit
Rating selection from 63 A to 400 A
Cabinet build and transfer timing test
Delivery
Delivery Capability
- Cabinets from 600 x 600 x 1000 mm to 600 x 800 x 1760 mm
- Weights from 65 kg to 215 kg
Related Guides
FAQ
Questions Buyers Ask
Is 6 ms fast enough for IT equipment?
Yes. A typical switch mode power supply rides through an interruption of that length, so the load does not restart.
What happens when the primary feed returns?
The switch returns the load to source A automatically, because source A is the priority input.
Discuss A Data Centres And Telecom Sites Requirement
Send the electrical data and the site constraints and we will size the equipment against them.