AHLI SISTEM PROTEKSI PETIR INTERNAL DAN EKSTERNAL Sistem proteksi yang baik dan benar, sesuai dengan Standard International IEC 1024-1 HARUS terdiri dari 2 (dua) bagian yaitu : 1. Sistem Proteksi External untuk melindungi manusia dan bagunan dari sambaran petir secara langsung.
Perhatian !
Perusahaan ini terdaftar sebagai Free Member. Hindari melakukan pembayaran sebelum bertemu penjual atau melihat barang secara langsung. COD (Cash On Delivery) atau bertemu langsung dengan penjual merupakan metode transaksi aman yang kami sarankan.
Easily adaptable Avoids leakage pickups For installation in conformity with the lightning protection zones concept at the boundaries from OB – 2 and higher Two-stage surge arrester for protecting video cameras and Arcnet with BNC connection with indirect shield earthing to avoid being influenced by leakage pickups. Special versions for video cameras with a higher nominal voltage are available on request. Spesification : Nominal voltage ( UN) --------------------------------------------------------------------- 5 V Max. continuous operating d.c. voltage ( UC) --------------------------------------- 8 V C2 Nominal discharge current ( 8/ 20 ¼ s) per line ( In) ------------------------------- 2.5 kA C2 Nominal discharge current ( 8/ 20 ¼ s) shield-PG ( In) ---------------------------- 10 kA Voltage protection level line-shield for In C2 ( UP) --------------------------------- < 25 V Voltage protection level line-shield at 1 kV/ ¼ s C3 ( UP) --------------------------- < 15 V Voltage protection level shield-PG at 1 kV/ ¼ s C3 ( Up) ---------------------------- < 600 V Series impedance per line ----------------------------------------------------------------- 10 ohms Insertion loss at 265 MHz ---------------------------------------------------------------- e 20 dB Surge impedance ( Z) ---------------------------------------------------------------------- 75 ohms Capacitance line-shield ( C) -------------------------------------------------------------- < 50 pF
