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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.

Gatekeeper Surge Filter - Low Voltage

Series Connected

The Gatekeeper surge filter has been designed to provide high energy surge protection for Class 1 & 11 applications, ideal for protecting sensitive electronics. Boasts a massive 50KA of surge diversion when compared to the standard filter which has a max 8-20KA. Availble for Single phase 8 Amp, 10 Amp, 16 Amp and 32 Amp applications. Also available in weartherproof enclosures.

 

 

Download our Datasheet

Medium to High Current Surge Filters - Single and Three Phase

Series Connected

 

These surge filter has been designed to provide high energy surge protection for Class 1 & 11 applications, ideal for protecting sensitive electronics. CAT B & C (AS1768)

 

Download our Medium Current Filter Datasheet

Download our High Current Filter  Datasheet

Medium Current 3 Phase Surge Filter

High Current 3 Phase Surge Filter