For RS-485, Ethernet and 4-20 mA lines
Data / Signal SPD — surge / voltage protection device, stocked by Buildora Materials for distribution boards and control panels across the UAE. Available in: For RS-485, Ethernet and 4-20 mA lines. Protects downstream equipment from lightning-induced and switching transient overvoltages, or from abnormal supply voltage. Built to IEC 61643-11 and suited to DEWA and civil-defence approved installations across the UAE.