In 1938, The Protectowire Company invented and introduced the first Linear Type Heat Detector. Today Protectowire offers the largest digital linear heat detection portfolio on the market. Manufactured in the United States, our product activation temperatures range from 57°C to 260°C and are offered in a wide range of jacketing materials.

Protectowire also offers our patented Confirmed Temperature Initiation (CTI) technology and fiber optic linear heat detection. CTI technology can distinguish between a fault caused by mechanical damage and a fault initiated by heat. Fiber optic linear heat detection is popular for applications requiring longer detection distances (up to 10km) like road tunnels, metro systems and aircraft hangars.

Protectowire is committed to providing our customers with the best products and services in the industry through our factory-trained, global distribution network. The Protectowire team is dedicated to providing products designed, engineered, manufactured and tested with the highest degree of performance reliability and quality We are proud to be an ISO 9001:2015 registered company

Exhibitor Address & Contacts


60 Washington Street Pembroke, MA 02359, USA


42.10509475, -70.802757644313


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