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Micro Switches

Circuit Specialists offers a variety of quality on/(on) standard and miniature micro switches at affordable prices. Our standard micro switches have current ratings of ten amps at one hundred twenty-five or two hundred fifty volts of direct current and UL approval; and our miniature micro switches are rated at five amps at one hundred twenty-five or two hundred fifty volts of alternating current and are CE approved. All of our micro switches feature NO/NC 3P circuitry. Save even more money when you buy in bulk.

What is a microswitch?

A microswitch, also called a limit switch or snap action switch, is a type of highly sensitive, small switch that is usually activated by mechanical means. It gets its snap-action name from the spring-loaded internal mechanism, which snaps between two positions when triggered. This switching mechanism is typically enclosed, with only a small button protruding from the casing. 

Often a long thin metal arm or actuator protrudes over the switch, acting as additional leverage. A roller might be mounted at the end of this metal arm so the switch can be activated when it slides against a moving mechanical component. 

These switches are usually SPDT and function in ON-(ON) mode and sometimes OFF-(ON) or (rarely) ON-(OFF). 

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    NO/NC, ON/(ON) Miniature Micro Switch - 66-4012

    Circuit Specialists
    17 in stock

    Miniature Micro Switch: On-(On) Current Rating: 5A 125VAC/250VAC Circuitry: NO/NC 3P Approval: CE View CAD Drawing (PDF)

    Original price $0.79 - Original price $0.79
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  • Original price $0.67 - Original price $0.67
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    NO/NC, ON/(ON) Miniature Micro Switch - 66-4011

    Circuit Specialists
    14 in stock

    Miniature Micro Switch: On-(On) Current Rating: 5A 125VAC/250VAC Circuitry: NO/NC 3P Approval: CE View CAD Drawing (PDF)

    Original price $0.67 - Original price $0.67
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  • Original price $0.63 - Original price $0.63
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    NO/NC, ON/(ON) Miniature Micro Switch - 66-4010

    Circuit Specialists
    27 in stock

    Miniature Micro Switch: On-(On) Current Rating: 5A 125VAC/250VAC Circuitry: NO/NC 3P Approval: CE View CAD Drawing (PDF)

    Original price $0.63 - Original price $0.63
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  • Original price $0.96 - Original price $0.96
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    NO/NC, ON/(ON) Standard Micro Switch - 66-4002

    Circuit Specialists
    30 in stock

    Standard Micro Switch: On-(On) Current Rating: 10A 125VAC/250VAC Circuitry: NO/NC 3P Approval: UL View CAD Drawing

    Original price $0.96 - Original price $0.96
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  • Original price $0.99 - Original price $0.99
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    NO/NC, ON/(ON) Standard Micro Switch - 66-4000

    Circuit Specialists
    Currently on Backorder

    Standard Micro Switch: On-(On) Current Rating: 10A 125VAC/250VAC Circuitry: NO/NC 3P Approval: UL View CAD Drawing

    Original price $0.99 - Original price $0.99
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  • Original price $0.53 - Original price $0.53
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    NO/NC, ON/(ON) Miniature Micro Switch - 66-4013

    Circuit Specialists
    Out of stock

    Miniature Micro Switch: On-(On) Current Rating: 5A 125VAC/250VAC Circuitry: NO/NC 3P Approval: CE View CAD Drawing (PDF)

    Original price $0.53 - Original price $0.53
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    Sold out
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    4 Pole Box Type Dip Switch - MD-04Z

    Circuit Specialists
    Out of stock

    4 Pole Box Type Dip Switch 4 Position DIP SwitchStandard single DIP width with PCB terminal leads. Contact Rating: 50V DC 100mA @ Steady Situation...

    View full details
    Original price $0.50 - Original price $0.50
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    $0.50
    $0.50 - $0.50
    Current price $0.50
    Sold out

Circuit Specialists offers a variety of quality on/(on) standard and miniature micro switches at affordable prices. Our standard micro switches have current ratings of ten amps at one hundred twenty-five or two hundred fifty volts of direct current and UL approval; and our miniature micro switches are rated at five amps at one hundred twenty-five or two hundred fifty volts of alternating current and are CE approved. All of our micro switches feature NO/NC 3P circuitry. Save even more money when you buy in bulk.

What is a microswitch?

A microswitch, also called a limit switch or snap action switch, is a type of highly sensitive, small switch that is usually activated by mechanical means. It gets its snap-action name from the spring-loaded internal mechanism, which snaps between two positions when triggered. This switching mechanism is typically enclosed, with only a small button protruding from the casing. 

Often a long thin metal arm or actuator protrudes over the switch, acting as additional leverage. A roller might be mounted at the end of this metal arm so the switch can be activated when it slides against a moving mechanical component. 

These switches are usually SPDT and function in ON-(ON) mode and sometimes OFF-(ON) or (rarely) ON-(OFF). 

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