Type F Residual Current Device
18 April 2021
Raycap Safetec and Protec Series AC Surge Arrester Systems
30 May 2021
Type 2 surge arrester systems protect your systems against sudden overvoltage surges that occur outside of lightning strikes. In AC Surge Arrester systems, the focus is generally on protection against lightning strikes, and product selections are made accordingly. However, did you know that 70% of device damage is caused by grid surges and sudden overvoltage fluctuations? Internal overvoltages account for 57% of device board failures within facilities. Again, in the Chamber of Chemical Engineers’ 2020 industrial fire report, we see that 67% of fires were caused by electrical sparks, and sudden peaks appear as the most important cause of sparks.
Type 2 Low Voltage surge arrester systems are surge types that occur within 25 nanoseconds and can reach up to maximum values of 40 kiloamperes, such as grid peaks, switching surges, switching impulses, harmonics, and internal overvoltage fluctuations; they are not as powerful as lightning but occur very frequently and are present in every building. These surges are very common especially in organized industrial zones and cause significant damage in production areas with drive systems.
In summary, Type 2 Surge Arresters protect our systems against surges that are constantly present in our lives and can occur almost every day, and they prevent fire risks.
In this product class, I recommend our partner Raycap PROTEC C Series Type 2 Surge Arrester product. Easily applicable to every facility with single-phase and three-phase options, the PROTEC C series can suppress an unlimited number of surges within its capacity thanks to its 25-nanosecond response time and Safetec technology. Normally, any product you choose from the market will only have MOV technology and will provide protection an average of 5 times within its capacity and once beyond its capacity before becoming inactive; however, our Safetec technology products, with MOV + GDT hybrid technology, can protect an unlimited number of surges within their capacity. This ensures long-lasting protection while saving you from additional cartridge costs. With our fuse-integrated models of Raycap Type 2 surge arresters, the requirement for additional fuses has also been eliminated. In summary, with the Raycap PROTEC C TYPE 2 SURGE ARRESTER series, we offer you the most accurate and longest-lasting protection with maximum protection and minimum cost.
The Raycap PROTEC C TYPE 2 surge arrester Series provides protection against maximum 40kA grid surges, harmonics, and sudden voltage rises. The new PROTEC T2 Series, on the other hand, is the leader in this field with 65kA maximum surge protection.
The Raycap TYPE 2 AC Surge Arrester product group is manufactured in our production facilities in Slovenia in accordance with IEC 61643-11:2011, IEC 61643-11:2012, and UL 1449 standards.
Type 2 AC Surge Arrester products are mounted in parallel to the system; in parallel installation, you do not provide input and output through the surge arrester. Phase, earth, and neutral lines must be installed with cables of at least 6 mm2 cross-section, and cable lengths must not exceed 50 cm. Our rail-compatible products have successfully passed vibration and shock-induced vibration tests.
If you wish, you will have the opportunity to remotely monitor surge arresters with our alarm-contact TYPE 2 Surge Arresters.
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