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Protects data side of alarm and intercom systems

This unit is designed for the protection of multiple signal lines for data, alarm panels, process control, audio panels, intercom and access control panels. Easy for use, these devices have small footprints and connections are made by means of screw connections.

A protection device for high speed RS485 data lines. Speeds in excess of 5Mbits/s may be utilised with low clamping voltage. Ideal for access control and CCTV - PTZ applications. Small footprint with Din-rail mounting.

Protects fast ethernet LAN equipment such as hubs, switches and network interface cards from induced lightning and electrostatic discharge.

Fibre Optic interface to provide high galvanic isolation between two pieces of RS232-compliant equipment.

These compact opto-isolators provide high galvanic isolation and induced lightning protection between two RS232 compliant devices. The devices operate in duplex mode at speeds of up to 115.2 kbits/s

These compact opto-isolators provide high galvanic isolation and induced lightning protection between two RS232 compliant devices. The devices operate in duplex mode at speeds of up to 115.2 kbits/s

This device provides excellent immunity from induced lightning and other electrical noise sources

General small signal line protector

High isolation and surge protection for any RS485 bus carrying data signals from a host computer to peripheral devices.

Protects Fast Ethernet LAN equipment, such as hubs, switches and network interface cards from induced lightning and ground potential differences, by galvanically isolating the connected equipment.

These Din-rail mount devices offer high surge protection in a compact design. Suitable for: RS232, RS422 and general signal line circuits. These units have a small footprint, allowing many units to be used side by side in single cabinets.