Relay Icon

Free Relay icon for manufacturing documents. Transparent PNG, commercial use OK, no sign-up.

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Category: Control Equipment · Updated 2026-07-17

About the Relay

A relay uses a small control signal to switch a separate circuit through electromagnetic contacts. It isolates circuits and builds sequence logic in control panels.

Where to use this icon

• Show relay location and connections in FA system diagrams
• Illustrate control system proposals and quotation specifications
• Add to equipment manuals, SOPs and maintenance manuals

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