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    • Automatic & Static Transfer SwitchesIndustrial Static Transfer Switches The Static Transfer Switch is a critical component for increasing resiliency and minimizing downtime in any critical electrical installation. It is frequently used in the data centre environment with 2N configuration for provision of redundancy for devices without dual power supplies. Normally fed from two independent UPSs or a group of UPSs they seamlessly transfer the critical load from one UPS to the other for maintenance purposes or in case of complete loss of one of the supplies. They can economically provide the next level of redundancy for critical installations where 2N configuration is not available and infrastructure changes would be prohibitively expensive and disruptive to the operation of the business. They are available in different formats from small DIN-rail mounted units, single-phase bypass switches for industrial application, rack-mounted single and 3 phase static switches for telco and data centre applications, to wall-mounted and freestanding units in single and 3 phase for protection of whole departments or complete critical infrastructure. Automatic Transfer Switch (ATS) Vs  Static Transfer Switch (STS) An STS – static transfer switch has no mechanical switching devices (SCRs used for switching) and on manual command, transfers your critical load at the point of…New
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    • Automatic & Static Transfer SwitchesIndustrial Static Transfer Switches The Static Transfer Switch is a critical component for increasing resiliency and minimizing downtime in any critical electrical installation. It is frequently used in the data centre environment with 2N configuration for provision of redundancy for devices without dual power supplies. Normally fed from two independent UPSs or a group of UPSs they seamlessly transfer the critical load from one UPS to the other for maintenance purposes or in case of complete loss of one of the supplies. They can economically provide the next level of redundancy for critical installations where 2N configuration is not available and infrastructure changes would be prohibitively expensive and disruptive to the operation of the business. They are available in different formats from small DIN-rail mounted units, single-phase bypass switches for industrial application, rack-mounted single and 3 phase static switches for telco and data centre applications, to wall-mounted and freestanding units in single and 3 phase for protection of whole departments or complete critical infrastructure. Automatic Transfer Switch (ATS) Vs  Static Transfer Switch (STS) An STS – static transfer switch has no mechanical switching devices (SCRs used for switching) and on manual command, transfers your critical load at the point of…New
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Home Automatic & Static Transfer Switches

Industrial Static Transfer Switches

The Static Transfer Switch is a critical component for increasing resiliency and minimizing downtime in any critical electrical installation. It is frequently used in the data centre environment with 2N configuration for provision of redundancy for devices without dual power supplies. Normally fed from two independent UPSs or a group of UPSs they seamlessly transfer the critical load from one UPS to the other for maintenance purposes or in case of complete loss of one of the supplies. They can economically provide the next level of redundancy for critical installations where 2N configuration is not available and infrastructure changes would be prohibitively expensive and disruptive to the operation of the business. They are available in different formats from small DIN-rail mounted units, single-phase bypass switches for industrial application, rack-mounted single and 3 phase static switches for telco and data centre applications, to wall-mounted and freestanding units in single and 3 phase for protection of whole departments or complete critical infrastructure.

Transfer Switch Typical-Applications New Zealand

Automatic Transfer Switch (ATS) Vs  Static Transfer Switch (STS)

An STS – static transfer switch has no mechanical switching devices (SCRs used for switching) and on manual command, transfers your critical load at the point of zero current in the AC waveform. As such this is at a point where there is no net-flow of power to the load and is, therefore, the best opportunity to undertake the change-over. In case of loss of the primary source, transfer is done at any point in the waveform to avoid any break of supply to the load. Transfer time is 0ms as long as both sources are synchronized. SCRs are liberally rated with large safety margins and power supplies are redundant to ensure long life and reliable operation.

ATS – Automatic Transfer Switch, claim to do this also, however, these do not protect your load under all conditions. Transfer time is typically less than four milliseconds vs zero milliseconds for Solid-State Transfer Switch. The relay types can cause arching and sparking across the gaps of the contact of the internal relays that are used to undertake the change-over. However, they are typically intended for smaller loads (16-20A) and in principal, switch-mode power supplies in the loads are capable of handling 2-4ms breaks. They also protect the loads from brownouts or overvoltages.

Helios Power Solutions can assist with advice and selection to provide an optimal solution with quality and reliability from the smallest to the highest power demands. Use of the static switches is not limited to data centres, as medical facilities, critical industrial processes, and diversification of supply from two substations can all be achieved through STSs.

Product Categories

Single and Three Phase Outdoor STS up to 250A 4 Pole

HPS-iSurface-S3 Wall Mount – Outdoor Static Transfer Switch 250A max

HPS-iSTS-R DIN Rail Mounted Static Automatic Transfer Switch

HPS-iSTS-R DIN Rail Mounted Static Transfer Switch 1Ph 16A Max

HPS-iSTS-B1 1U Rack Mount Automatic Static Transfer Switch 32A 16A

HPS-iSTS-B1 Rack Mounted Static Transfer Switch 32A max

STATIC-POWER-iSTS-F1 32A Outdoor Static Transfer Switch IP54 UPS Generator solar panel

HPS-iSTS-F1 Wall Mount – Outdoor Static Transfer Switch 32A max

Chassis Mount Switchboard Manufacturer Static Transfer Switch Middle East & Asia

HPS-iSTS-P Chassis Mount Static Transfer Switch 32A – 1600A max

HPS-STS-B2 Rack Mounted Static Transfer Switch 16A 32A 50A 125A Solar Generator

HPS-iSTS-B2 Rack Mounted Static Transfer Switch 125A max

Rack Mount Static Transfer Switch 1-Phase/2-Pole or 3-Phase/3-Pole or 3-Phase/4-Pole

HPS-iSTS-B4 Rack Mounted Static Transfer Switch 250A max

HPS-iSTS-F4 Outdoor Static Transfer Switch IP 54 Solar Panel

HPS-iSTS-F4 Wall Mount – Outdoor Static Transfer Switch 250A max

HPS-iSTS-K Static Transfer Switch 630A Middle East & Asia Generator AC UPS Solar Panel

HPS-iSTS-K Static Transfer Switch 630A max

Static Transfer Switches for Applications Requiring Maximum Operability

Our Solid-State-Static-Transfer-Switch transfers seamlessly load from one source to the other. Fully solid-state, the iSTS includes smart features for optimum switching between asynchronous supplies and transfer of inductive and non-linear loads.

Adaptable to all Applications

Any specific requirements regarding voltage, frequency, fault current withstand, dimensions, IP – ingress protection, climatic conditions, corrosion protection or integration in 3rd party switchboard.

Static Transfer Switches for Solar Applications

Developed for the solar industry, the iSTS switches between Main and Solar but will also allow the Solar to feed the Main. The transfer is automatic and/or remotely controlled.

Other Products Available

Static Central Bypass Switch New Zealand

Central Static Bypass Switch

The central Static Bypass Switch will operate if one of the UPS fails, avoiding overload of the remaining units and the “cascade” disconnections which would result.

Solid-state Switch and Breaker Solar Panels, AC UPS

Solid-State Switch & Breaker

Fast, arc-free and fully static, Static Power’s LVAC and LVDC Solid-State Switches and Breakers are commonly used to commute a source and/or to break a fault. Break is quasi-instantaneously, no rest time after break, practically unlimited number of operations.

Contact us on sales@heliosps.asia for further information.

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