GSC International 4-91201 Circuit Switch, Single Pole, Single Throw. This Single Pole, Single Throw (SPST) Circuit Switch is a classic and effective electrical control device used to manually open or close a simple circuit.Circuit switches are used to manipulate how electricity flows through a circuit. The base and the handle of the switch are insulated to allow for handling. Wires are connected to the screw-type binding posts. This circuit switch is a single pole, single throw switch.Simple Circuit Control – Opens or closes one circuit path with a single throw mechanism; perfect for basic on/off control of low-voltage DC circuits.Excellent for Education – Widely used in science classrooms to teach electricity and circuit logic through hands-on demonstrations.Visual Functionality – Exposed metal components and lever arm make it easy for students to see how current is switched manually.Ideal for DIY Projects – Great for hobbyists and tinkerers building custom circuits, battery setups, or small electronic models.Low Voltage Applications – Recommended for low-current and low-voltage DC uses only (not suitable for household AC power).PRODUCT WARNINGSThis product is NOT A TOY. It is designed for educational, scientific, or professional use only. Adult supervision is required at all times. Improper use may cause injury or damage. Always follow safety guidelines and wear appropriate protective equipment. Not suitable for children 15 and under.
