Surge arrester POLIM-D

POLIM-D is a surge arrester with metal-oxide (MO) resistors without spark gaps directly molded in silicone housing, in grey color, designed and tested according to IEC 60099-4; and it fulfills the requirement of ANSI/IEEE C62.11. 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 
• Reactor and power line carrier (PLC) line trap 
• Other medium-voltage distribution equipment

• 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