3 Pin Slim Rocker Switch 30.90mm x 10.30mm Precision Power Control +
This 3-Pin Miniature Rocker Switch is a high-performance Single Pole Single Throw (SPST) component featuring an integrated ground or pilot light terminal. Designed for high-density power panels, its narrow 30.90mm x 10.30mm elongated footprint provides a sleek, modern aesthetic for contemporary consumer electronics and industrial equipment.
Key Product Features
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Elongated Slim Design: The compact width of 10.30mm makes this switch ideal for installation in thin enclosures and narrow bezel panels.
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3-Pin Internal Configuration: Includes two primary load terminals and a third terminal typically used for grounding or to complete an internal illumination circuit.
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Tactile ON-OFF Operation: Offers a smooth, 2-position maintained rocker action with high-contrast white "I" (ON) and "O" (OFF) symbols for intuitive use.
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Tool-Free Snap-In Mounting: Features durable integrated tension clips on the lateral housing, allowing the switch to lock securely into rectangular panel cutouts.
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Professional Grade Terminals: Equipped with three vertically oriented male spade terminals, compatible with quick-connect crimp connectors or direct soldering for reliable conductivity.
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Heat-Resistant Construction: Built with a high-impact, matte black polymer housing designed to withstand the rigors of frequent mechanical operation.
Technical Specifications
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Switch Type: Rocker Switch (SPST with 3rd terminal).
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Pin Configuration: 3-Pin Male Spade Terminals.
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Mounting Dimensions: 30.90mm (L) x 10.30mm (W).
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Action: Maintained ON-OFF.
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Housing Material: Flame-retardant industrial polymer.
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Application: Perfect for power strips, laboratory testing consoles, small appliances, and specialized automotive control panels.
Top 3 Customer Questions & Concerns þ
þ What is the purpose of the third pin? While the two primary pins control the power flow, the third pin is generally used to connect a ground line or to power an internal indicator lamp (if applicable). Always refer to your specific circuit diagram to ensure the correct terminal is designated for neutral/ground.
Will this fit in a standard square rocker hole? No. This is a specialized slim-line model. You will need a custom rectangular cutout measuring approximately 30.90mm x 10.30mm to ensure the snap-in clips lock correctly into your panel.
þ Is this switch illuminated? This specific matte black model is non-illuminated. If your application requires a visible light when the system is active, we recommend exploring our translucent ES-307NS series which offers similar slim dimensions with built-in illumination.



