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Signal and Data Line Surge Protective Device SPD

Protect your I/O equipment with data line surge protective devices. You’ll find a comprehensive catalog of solutions below, each designed to keep your equipment safe from power surges, lightning strikes, voltage spikes, and transients. You’ll get protection suitable for all process I/O applications, including data circuits, power-over-Ethernet PoE, and much more. Need help to find the best surge protection solutions? contact us, we helps you select SPDs for a broad range of applications from small data rooms to enterprise data centers.

LSP’s SPDs are specifically designed for line protection of telephonic equipment, IT devices and BUS systems connected to low-voltage signal lines.


Sub-D dataline surge protector, fine protection for serial ports of computers and control systems against impact of transient overvoltage


Flameproof surge arrester for protecting two 24 V interfaces in potentially explosive atmospheres. Application: Flow sensors, temperature sensors.


Surge arrester with a low-capacitance protective circuit for protecting intrinsically safe measuring circuits and bus systems. Application: Flow sensors, temperature sensors.

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