Surge arrester POLIM-K

POLIM-K is a surge arrester with metal-oxide (MO) resistors without spark gaps direct molded in silicone housing, grey color, designed and tested according to IEC 60099-4 and; it fulfills the requirement of ANSI/IEEE C62.11. POLIM-K also has other certifications:

• Shock and vibration tested according to IEC 61373
• Fire and smoke behavior tested and classified according to EN 45545-2

It is used for secure protection of medium voltage systems against overvoltages from atmospheric discharges and switching conditions.
 

• Medium-voltage distribution transformer
• Pole mounted medium-voltage transformer
• Medium-voltage cable and cable termination
• Air-insulated medium-voltage switchgear and panel

• Over 100 years of experience in overvoltage protection and more than 30 years with silicone insulation
• Local and global Hitachi Energy application support
• Proven safe short-circuit current design
• Design life of more than 30 years
• Own production of metal-oxide (MO) resistors
• Excellent protection level with low residual voltage
• UV resistant  silicone housing with excellent pollution performance
• Maintenance free
• Stable against shock and vibration