Digital Cable (Non Resettable)

Digital LHDC operates at fixed temperatures and is non-resettable.

Overview

Digital Linear Heat Detection Cable

The Digital Linear Heat Detection Cable comprises of a twisted pair, two core cable. Each core is a tinned copper coated spring steel conductor and has special heat reactive polymer insulation. The cable has a protective chemical and UV resistant outer jacket / sheath. Additional mechanical protection is provided with optional Stainless Steel outer armour.

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How it works

The Digital LHDC operates by reacting to heat (fire). The insulators between the two conductors plasticise at the design temperature, creating a switch circuit at the point of operation.

The Linear Heat Detection Cable is employed in conjunction with an end of line terminating device for continuity monitoring and a zone monitoring controller to provide outputs for Fire and Fault. An LHDC controller with Distance Location (up to 2000m) to the point of operation is also available.

As the Digital LHDC provides a simple switched output on operation, the LHDC can be monitored by a conventional or Analogue Addressable zone monitor.

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