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Bender has launched a new earth leakage relay designed to continuously monitor installations for developing earth faults within earthed power systems (TN and TT systems).

This new device – RCM410R – is designed to be paired with a current transformer (CT). It identifies the deterioration of insulation resistance quickly and with high accuracy. This means developing earth faults are identified at an early stage, enabling planned intervention, ensuring the maximum level of electrical safety and system availability for system operators and maintenance teams.

Communication

The key feature of the new RCM410R is Modbus RTU communication protocol. This allows connectivity to existing communications networks, meaning operators can monitor the leakage current of their power systems remotely, eliminating the need for manual data collection.

Test without disconnect

Periodic inspection and testing of installations and electrical equipment, in accordance with BS7671:2018 section 651.2, can be time consuming and costly due to associated resource and shut down. Systems are often required to be always-on or constantly available. RCM410R is AC and pulsed DC sensitive, compliant with IEC 62020 and IEC 62020-1, to fulfil the requirements for regulatory checks without power shutdown.

Built with high accuracy, this new device can contribute towards the significant reduction of risks and operating costs in a range of facilities, including hospitals, data centres and many motor/drive applications in the manufacturing environment.

Detecting harmful earth faults

Lee Slater, Head of Industrial at Bender UK said: “Earth faults are a frequent cause for unwanted events in all power systems. The need to monitor, detect and communicate these faults in critical applications is essential. The new RCM410R is designed to give the customer a commercially attractive option and continually monitor the leakage current of power systems remotely, minimising system downtime and protecting both man and machine against the harmful effects of earth faults.”

The RCM410R-1/-2 has been designed with cost effectiveness and ease of communications in mind.

Visit: https://www.bender-uk.com for more information on Bender UK’s residual current monitors and current transformers. Contact industrialsales@bender-uk.com or call 01229 480123.

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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