HV Surge Arrester upto 216kV for substation protection from lightening and switching overvoltages. Bowthorpe EMP pioneered the development of polymeric composite housed surge arresters in early 1980’s and since 1986, has a proven service experience across the globe, operating in world’s toughest environments. Bowthorpe surge arresters provide active over-voltage protection, reducing system outages and protecting expensive terminal equipment. Proven moisture…
Raychem LV Surge Arrester upto 440V for protection from lightening and switching overvoltages. LV Surge Arresters provide protection for low-voltage overhead lines, consumer in-house supplies, distribution transformers and other systems. Numerous tests have confirmed durability of the housing, even when exposed to extreme temperature fluctuations and contamination Suitable for indoor and outdoor applications Integrated disconnector and 1m line lead Overhead…
LV Surge Arrester upto 440V for substation protection from lightening and switching overvoltages. LV Surge Arresters provide protection for low-voltage overhead lines, consumer in-house supplies, distribution transformers and other systems. Numerous tests have confirmed durability of the housing, even when exposed to extreme temperature fluctuations and contamination Suitable for indoor and outdoor applications Integrated disconnector and 1m line lead Overhead…
LV Surge Arrester upto 440V for substation protection from lightening and switching overvoltages. LV Surge Arresters provide protection for low-voltage overhead lines, consumer in-house supplies, distribution transformers and other systems. Numerous tests have confirmed durability of the housing, even when exposed to extreme temperature fluctuations and contamination Suitable for indoor and outdoor application Integrated disconnector and 1m line lead. Overhead…
Raychem MV surge arresters are modern, reliable, and efficient devices that protect medium-voltage systems by safely diverting surge currents to ground and preventing equipment damage. Excellent TOV performance. Safe, non-shattering failure in short circuit test Higher energy handling capability Crimped structural construction is light in weight, provides optimal mechanical strength Void free construction and optimum interface sealing achieved by bonding…
MV Surge Arrester upto 45kV for substation protection from lightening and switching over voltages. In past 15 years, almost all high-voltage networks used MO arresters. However, in medium-voltage networks, a substantial number of conventional gapped arresters (SiC resistors and series spark gaps) were installed until a few years ago. Today MO (Metal-Oxide) arresters without spark gaps have gained popularity. Networks…
Raychem MV surge arresters are modern, reliable, and efficient devices that protect medium-voltage systems by safely diverting surge currents to ground and preventing equipment damage. Excellent TOV performance. Safe, non-shattering failure in short circuit test Higher energy handling capability Crimped structural construction is light in weight, provides optimal mechanical strength Void free construction and optimum interface sealing achieved by bonding…
PCA Polymeric surge arresters provides active over-voltage protection that contributes directly to improved reliability of the system, reduces outages and protects expensive terminal equipment. PCA silicone surge arresters are designed and tested to meet customer demands with reliability in offering optimum operational performance. Proven moisture sealing technology Non-tracking insulating silicone materials Fully integrated single piece and void free design Safe…
How does it Work? During normal voltage → arrester acts as an insulator. During surge (lightning/switching) → ZnO varistors conduct heavy current to ground. After surge → arrester returns to non-conducting state. This protects transformers, switchgear, cables, and other equipment. Why Polymer over Porcelain? Raychem polymeric surge arresters offer advantages over traditional porcelain units: Lighter weight and easier handling/installing. Hydrophobic…
In Summary, The Raychem Indoor Distribution High Class (DH) 6 kV Surge Arrester is a medium-voltage, metal-oxide surge protection device designed to safeguard 6.6 kV electrical distribution systems from lightning strikes and switching surges. It features gapless ZnO technology for fast response, high energy absorption capability, and low residual voltage, ensuring reliable protection of transformers, switchgear, and cable terminations. The…
Transmission Line Surge Arrester (NGLA) upto 400kV, Power supply utilities have verified load losses due to voltage snags on their systems from transitory outages caused by lightning activity and causing permanent damages. The effect of these transitory disturbances on transmission lines are more critical in areas with high ground resistivity when associated with high lightning activity. Most non-scheduled outages are…
