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PRODUCTS

LIT

Surge protect programmable links and power supplies, keypads, contact closures, and driveway sensors designed for high-end brands such as Lutron, Cres…

DB9

Surge protect DB9 connections for incoming and outgoing communication wires, electrical distribution, telecommunications, and data systems throughout …

SLP

Surge protect low voltage communication lines for HVAC, thermostats, pool controls, security, irrigation systems, and 4-20mA current loops with TPD pr…

VDIAL

Over under voltage shut off surge protection from TPD is your answer to total protection from harmful over and under voltage disturbances that could d…

GLSF

Ground loop surge protection from Transient Protection Design protects systems from ground loops and ground potentials. Plug In and Hardwire options.

ACCESSORIES

Ground bar, din rail, rackmount surge protection accessories for surge protection and grounding.