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ADVERTORIAL TECHNOLOGY IN ACTION


UNITRUNK SECURES CIBSE APPROVAL FOR MATERIALS SELECTION CPD


recently launched CPD presentation (http://www.unitrunk.co.uk/news#/news/ 1322#news-container), which focuses on the importance of material selection in ensuring a cable management infrastructure that answers performance, service life and cost criteria.


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Real-time data reduces costs and machine downtime


well as Industry 4.0. The NRG platform has been developed to fit the purpose


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of industry 4.0, which optimises manufacturing operations quickly and efficiently by providing information such as maintenance, performance and other issues that may need attention. The NRG series consists of one or up to 247 BUS chains providing real-time data monitoring, prevention of machine breakdown and accurate troubleshooting. The communication interface in the NRG system allows


read out of variables such as voltage, current, frequency, energy consumption, power and running hours of the solid state relays RG..N in real time.


Carlo Gavazzi  01276 854110  www.carlogavazzi.co.uk


arlo Gavazzi has launched its NRG series of solid-state relays which meet all the needs of machine builders as


Entitled ‘Understanding the Materials Selection Process’, the CIBSE accredited presentation is the latest in a series of CPDs from Unitrunk, reiterating the company’s reputation for training and best practice. Unitrunk already works with colleges to provide cable management sessions for trainee electrical installers and delivers training for electrical


contractors both on site and within the company’s dedicated training suite. The materials selection CPD is designed for both building services consultants and electrical installers to help them understand the benefits and limitations of different cable management materials and specify the right system to answer the needs of the project.


The CPD outlines the criteria that specifiers need to consider when selecting cable management, such as whether the system will be installed indoors or outside, in a coastal or corrosive environment. The presentation explores corrosion rates for zinc and provides a corrosion map of the UK, highlighting the locations where the durability and service life of the system are most at risk.


It also explains the difference in galvanising processes used for each system type, explaining how each type of metal finish is formed and clearing up ambiguities in common definitions that can lead to incorrect specification.


Finally the presentation outlines common sources of corrosion, including white rust, bi-metallic corrosion and zinc whiskers, before summarising the commercial and practical benefits of each type of finish.


Unitrunk  07920 745608  www.unitrunk.co.uk New DIN Rail AC inrush current limiter for capacitive & inductive loads


for capacitive and inductive loads in a variety of applications. These include installations across complex automation systems and machinery as well as isolation transformers or LED lighting applications where they are particularly useful because you can have a large number of LED driver power supplies operating in parallel and all taking high peak currents together on switch on.


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The PSICL series is a true current limiter and cuts off all peak currents when starting loads under practically every AC condition. Extreme conditions can occur on AC lines in the event of a break in the supply and when power returns, high current peaks can often cause havoc and will trip circuit breakers. In decentralised areas, this will often lead to increased maintenance costs as the breakers require re-setting. The PSICL current limiter prevents this happening and can result in reduced cable cross section used and smaller and faster circuit breakers.


The PSICL Series is available in three 230VAC single phase models with continuous operating current rating of 12A, 16A and 25A. Current limiting time is 100-500mS with repeat intervals of 1000mS. conform to EN60950-1 and EN61000-6-2,3 standards and are CE and RoHS. MTBF figures are 300,000 hours.


They have an operating temperature range of --40ºC to +70ºC and


The PSICL is a housed in a low profile V0 flammability rated plastic case measuring 91H x 71W x 57Dmm. The same design designated PSESB Series is also available in a very slim width enclosure with measurements of 100H x 22.5W x 112Dmm. Both items are DIN Rail mounted and internal circuitry is identical for both versions.


Powersolve 36 MARCH 2019 | ELECTRICAL ENGINEERING  01635 521858  www.powersolve.co.uk CONNECTINGINDUSTRY.COM/ELECTRICALENGINEERING


owersolve’s new PSICL series is a low- cost peak inrush current limiter designed


able management specialist, Unitrunk, has secured CIBSE approval for its


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