We supply BOWTHORPE surge arresters Tested in accordance with IEC60099-4 at independent accredited laboratories. Superior protection margins. Direct molded housing to prevent moisture ingress. Low residual voltages. High-energy handling. Superior TOV performance. Safe non-shattering short circuit behavior to higher current levels. Maintenance free. Hydrophobic silicone housing, tracking and erosion resistant. Excellent cantilever and tensile performance. Excellent vibration and impact withstand capability. Quality design and manufacturing, ISO 9001 and 14001 compliant.
Application: Protection of MV networks and equipment from lightning and switching surge related overvoltages in areas with relatively high iso-keraunic levels. Suitable for both outdoor and indoor use to protect transformers and cable end terminations.
Tech Data :
OCP1 series : 3-24kV Uc
Rated discharge current (8/20µs):10kA
Line discharge class 1 according to : IEC 60099-4
Operating duty impulse withstand current (4/10µs):100kA
Long duration current impulse (2000µs):350A
High current short circuit: (pre-failing method) :25kA
(Safe non-shattering failure mode)
Energy 2 Long duration impulses: 4.1kJ/kVUc
Cantilever strength : 350 Nm