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How can the radiated interference immunity (RS) of an intelligent low-voltage monitoring unit meet the standards?

Time：2026-01-23 Views：524次

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Radiated interference immunity (RS) requires both shielding integrity and internal circuit immunity.

Chassis shielding: 1.2mm thick aluminum alloy with conductive pads at gaps.

Cable shielding: Shielded cables are used, with 360° grounding of the shielding layer connectors.

Internal circuitry: Sensitive circuits are locally shielded; the power supply uses a common-mode inductor CMZ3225A-501T.

This design can pass the IEC 61000-4-3 RS test (10V/m, 80MHz-1GHz).

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