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LDU is a 100% owned Australian company with a strong reputation for supplying and installing the best high quality lightning protection systems across Australia, New Zealand and South East Asia regions. At LDU, we provide turnkey solutions for all of your lightning protection and earthing projects.

CCTV Protectors

The GKCCTV range is a high quality low cost combination Coaxial, power and signal line surge protection device specifically designed to be modular and very easy to install for all CCTV & MATV applications. The GKCCTV series has been designed to allow installation at both ends of the cable run for ultimate protection of sensitive electronic circuits, components and cameras from damaging over voltages and currents.



  • Designed to operate directly with fixed cameras or cameras with pan and tilt capabilities.
  • Ideal for security applications.
  • Modular in design
  • Fast acting