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Electrical Systems Installations

Automatic Transfer Switches

Power transfer switches increase the resilience of your uninterruptible power supply installation. The transfer switch connects to the critical load and provides two power sources (referred to as ‘A’ and ‘B’ supplies. These can be two separately derived mains power sources or two UPS systems or combination of the two. When one power source fails, the other automatically powers the critical load.

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CertaUPS 16A Automatic Transfer Switch CertaUPS 16A Automatic Transfer Switch POA
Borri UPS STS300 100A Static Transfer Switches Borri UPS STS300 100A Static Transfer Switches POA
Borri UPS STS300 250A Static Transfer Switches Borri UPS STS300 250A Static Transfer Switches POA
Borri UPS STS300 400A Static Transfer Switches Borri UPS STS300 400A Static Transfer Switches POA
Borri UPS STS300 630A Static Transfer Switches Borri UPS STS300 630A Static Transfer Switches POA
Borri UPS STS300 800A Static Transfer Switches Borri UPS STS300 800A Static Transfer Switches POA
Borri UPS STS300 1250A Static Transfer Switches Borri UPS STS300 1250A Static Transfer Switches POA
Borri UPS STS300 1000A Static Transfer Switches Borri UPS STS300 1000A Static Transfer Switches POA

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Static Transfer Switches

There are two types of switch. Automatic Transfer Switches (ATS) are generally relay-based whilst Static Transfer Switches (STS) make use of static electronics to provide a break-free transfer. In terms of form factor, ATS devices are designed for server racks and will be rack mounted or wall mounted. STS products are designed for larger room-sized loads including three-phase applications and can be sized up to several hundred Amps in power rating.

For more information on our automatic transfer switches or static transfer switches please contact our projects team.

CertaUPS Borri UPS

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Related FAQs

  • Can an intelligent PDU provide smart socket metering and control?

    With intelligent PDUs each individual socket is remotely monitored for power and energy usage and can be remotely controlled i.e. powered down or rebooted to provide total control of the connected load(s).

  • Can you use a PDU for environment monitoring?

    Some of the metered, smart and intelligent PDUs we supply can be installed with additional plug-in sensors for temperature and humidity. The PDUs are connected to the local IP network and can report monitoring readings taken by the sensors.

  • Do you supply in-line energy meters?

    As well as power distribution units we have specific in-line energy meters that can be installed between power sources and their connected loads. The in-line meters come with flying leads, plugs and sockets and provide a range of power related information including kVA, kW, power factor, voltage, frequency and kWh of energy usage.