ZoneMaster range

MTL Instruments design and manufacture a wide range of protection solutions for all of your system surge protection requirements. They offer a wealth of over 50 years experience in the surge protection industry. Their surge products embodies the strengths of Telematic, a name synonymous with the water industry, and Atlantic Scientific, which has strong ties in the network, ITS and wireless infrastructure markets.

Manufactured by


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The ZoneMaster range is available in units with either a 200 or 170kA surge handling capability. ZoneMaster is engineered to protect the most critical electronic systems, suppressing surges at the main service panel. This patented range of devices has the advantage of remote monitoring capabilities and full module diagnostic indication.

  • Remote indication and module diagnostic
  • Optional high per formance mains power filter
  • Patented technology, UL 1449 3rd Edition listed
  • 15 Year ‘No Fuss’ Warranty
Product Code Description Downloads
intrinsically safe logo
Symbol denotes that the equipment is suitable for use in hazardous area applications.
fsm logo
Symbol denotes that the product has been assessed for functional safety applications
ZoneMaster High performance mains power filter and protector Datasheet  Manual