Thiết bị cắt sét đường nguồn 3 pha Mersen STPT2-40K275V-4P

Thiết bị cắt sét đường nguồn 3 pha Mersen STPT2-40K275V-4P

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This is a 3-phase 4-pole surge protection device manufactured by Mersen in Spain, designed for installation in TN, TNC, and TT systems.

  • The description claims a maximum secondary surge current discharge of 40kA per phase (8/20µs).
  • The description claims a nominal secondary surge current discharge of 20kA per phase (8/20µs).
  • The description claims compliance with IEC 61643-11 standards.