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Network Rail has approved Bender UK’s next generation RS4 Rail Signalling Power Protection system for Tier 1 and 2 live trial installations at multiple sites.

The RS4 system has already received full Network Rail approval for Tier 3 installations that deliver increased sensitivity for first fault location and remote condition monitoring of core-to-earth failure of rail signalling IT power systems.

RS4 delivers continuous monitoring and analysis capabilities unachievable with previous technology.  Insulation monitoring combines with an integrated fault locating current injector, pinpointing fault locations on miles of networked cables. The system is the simplest and most cost-effective method for upgrading earlier generation RS2/RS3 technology installed on the rail network.

The Network Rail certificate of acceptance (PA05/04750) allows trials of Tier 1 and Tier 2 RS4 with trackside power distribution systems up to 650V AC, Signal Power monitoring, Points Systems monitoring and Level Crossing Systems monitoring.

Numerous Tier 1 and 2 trials are already underway at Brighton and Beeston, Nottingham, and Hartford, as well as East-West and Scottish routes.

RS4 Tier 3 is approved and deployed by Network Rail to offer an overall system insulation resistance level measurement that includes multiple feeder systems and signal power supplies. Increased sensitivity improves fault location from 20kΩ to 100KΩ and higher, on IT AC/DC systems (depending on system capacitance).

RS4 provides earlier warning of cable insulation degradation at higher resistance levels of 100kΩ. This is a significant improvement over previous technology where faults were only located at 20kΩ. Faults detected at 20 kΩ are more serious and require urgent attention, whereas higher resistances allow for longer intervention periods.

Once trials have been completed, Bender will have full RS4 Tier 1, 2 and 3 Network Rail approval to monitor rail signal power systems on UK rail networks.

Bender UK is a subsidiary of Bender GmbH – a global, independent company established in the 1940s by Walter Bender. The family owned company has 80 offices worldwide, with headquarters and state of the art production facilities in Grunberg, Germany.

Bender is involved in the innovative design and manufacture of quality electrical safety solutions, serving a range of market sectors delivering solutions which identify electrical faults before they become critical. Key markets include defence, oil, gas and mining, manufacturing, data centres, electric vehicles, rail and healthcare.

Cumbrian based Bender UK is responsible for sales, project management, installation and through-life technical support of Bender products in the UK and Ireland.  The Bender UK team work with leading OEMs, consultants, engineers and end-users to deliver solutions which monitor, forewarn and locate developing insulation failure in complex electrical systems.

Bender UK works in key market sectors, to prevent loss of power and shut-down:

Industrial: Residual current monitoring and power quality management devices monitor electrical networks, plant, and buildings to ensure that they are electrically safe. Bender systems provide a continuous health check on electrical systems delivering far-reaching and cost-effective benefits by predicting when and where issues will occur, tracking power usage to identify potential energy savings.

E-Mobility: Bender is a world leader in the application of safety solutions for charge stations and operating systems for hybrid and electric vehicles.  Collaborating with major manufacturers on passenger, transport and commercial vehicle projects, Bender supplies compliant charge station technologies and insulation monitoring for new generation vehicles.

Rail: An approved supplier to Network Rail, Bender UK technology monitors and protects trackside power supplies and signal systems across the UK, identifying and locating electrical faults, anticipating failure to enable predictive and preventive maintenance, keeping rail networks moving.

Oil, Gas and subsea: Effective management of offshore, on-shore and oil and gas infrastructure is facilitated by Bender line insulation monitoring equipment to prevent downtime and loss of production. Bender also collaborates with OEMs on bespoke offshore and sub-sea applications, utilising certified engineers to conduct fault finding analysis, health surveys and commissioning.

Defence: Complex systems on board Royal Navy surface ships and Astute-class submarines are protected by Bender technology to identify and locate earth faults and help prevent electrical failure.

Healthcare: In the UK and Ireland, Bender is market leader in turnkey healthcare solutions, delivering critical care power systems to protect staff and patients from loss of power in hospitals.   Bender also supplies clinical equipment including high performance Merivaara LED surgical lighting and operating tables, infection-reducing touch screen control panels, and clinical services pendants, backed up by 24/7 service, call-out and technical support support to over 400 hospitals.

From off-the-shelf products, to highly customised systems Bender is a supplier of choice to deliver world-class services for critical infrastructure applications.

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