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An SS type 2-pin microswitch is a compact, highly reliable snap-action switch designed for precision switching in low-voltage circuits. The “SS” designation typically refers to a Subminiature Snap-action Switch, which is widely used in applications requiring rapid switching with minimal physical movement.
Unlike larger or multi-terminal microswitches, the 2-pin configuration is a simple normally open (NO) or normally closed (NC) circuit. It makes or breaks the connection when the actuator is pressed or released, depending on its design. This straightforward setup is ideal where a simple on-off control is required.
Compact Size: The SS type is usually very small, making it perfect for tight spaces in electronic devices, appliances, and control systems.
Snap-action Mechanism: A defining feature of microswitches is their snap-action mechanism — a quick, decisive switching action that ensures consistent electrical contact and long mechanical life.
Reliable Contacts: With only two pins, the wiring is simple, reducing installation time and the chance of wiring errors.
Versatile Actuation: These switches can be fitted with various levers, plungers, or rollers to suit different mechanical needs.
SS type 2-pin microswitches are widely used in:
Small household appliances (like microwave door interlocks)
Safety switches in consumer electronics
Position detection in machinery
Limit switches in automation equipment
Control panels where a simple on/off signal is needed
