Chống sét tín hiệu Phoenix Contact TTC-6-GDT-C-24AC-UT-I
Phoenix Contact Surge Protector TTC-6-GDT-C-24AC-UT-I
Thông số kĩ thuật https://www.phoenixcontact.com/en-sg/products/surge-protection-for-measurement-and-control-technology-ttc-6-gdt-c-24ac-ut-i-2906842