Clamp the Surge Before It Reaches Your Control System

SPD is designed to protect industrial instrumentation and control circuits against transient overvoltage caused by lightning and switching events. With a nominal discharge current of 10kA, maximum discharge current of 20kA and response time of ≤1ns, it rapidly diverts surge energy before it reaches sensitive downstream electronics.

Protect Different Industrial Signal Loops

SPD is available in different configurations for industrial analog, temperature and communication circuits. Selection options include analog signals, AI/AO signals, RTD/TC temperature signals and RS485, allowing surge protection to be matched to the actual field loop rather than relying on a single fixed configuration.

Built for Organized Control Cabinet Protection

Designed for industrial cabinet integration, SPD uses a compact rail-mounted structure that simplifies installation alongside PLC, I/O and other control components. Single- and dual-channel configurations plus 2-, 3- and 4-wire options allow the protection arrangement to be matched to different field-loop requirements while keeping cabinet layouts organized.