Surge Suppression ICs are electrical components that protect against electric shocks, power surges, and other common voltage disturbances to DIN rail components. Surge Suppression ICs , as an important component in the field of electronic protection, is designed to resist the damage of electronic equipment caused by transient overvoltage (surge) caused by external interference in power systems or communication lines. This type of integrated circuit, through the built-in precision circuit design, can respond to and suppress power surges in a very short time, protecting the back-end equipment from damage. Supports five RS-422/485 signal cables in the terminal, 6.8V clamp voltage. HESP4DR has grade protection: 1) gas discharge tube; 2) Series resistance sum; 3) Transient Voltage Suppressor (TVS). The HESP5DR comes with a #10 ground screw to provide a solid ground connection.

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