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Limit Switches
Pressure Switches
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Items 1-10 of 403

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  1. PS21L-NS11PR-M00
    PS21L-NS11PR-M00
    Carlo Gavazzi Limit Switches, PS21L Series
    Item Number
    PS21L-NS11PR-M00
    MFG Item Number
    PS21L-NS11PR-M00
    Series
    PS21L
    Product Description
    LSW 1NO+1NC SNAP MTL RLR PLNGR
    Specifications
    Specifications
    Contacts 1NO/1NC
    Contact Rating (125 VAC) 5.5 A
    Contact Rating (250 VAC) 3 A
    Contact Rating (250 VDC) 0.27 A
    Connection Type Screw Terminals
    Hazardous Location Rated No
    Housing Material Metal
    Indicator No
    IEC Protection Rating IP66
    Increase
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    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  2. PS21L-NT20LN-H00
    PS21L-NT20LN-H00
    Carlo Gavazzi Limit Switches, PS21L Series
    Item Number
    PS21L-NT20LN-H00
    MFG Item Number
    PS21L-NT20LN-H00
    Series
    PS21L
    Product Description
    LSW 2NO SLOW ADJ NYL ROD LVR
    Specifications
    Specifications
    Contacts 2NO/1NC
    Contact Rating (125 VAC) 5.5 A
    Contact Rating (250 VAC) 3 A
    Contact Rating (250 VDC) 0.27 A
    Connection Type Screw Terminals
    Hazardous Location Rated No
    Housing Material Thermoplastic
    Indicator No
    IEC Protection Rating IP66
    Increase
    Decrease
    Compare Item
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  3. PS21L-NT20W1-T00
    PS21L-NT20W1-T00
    Carlo Gavazzi Limit Switches, PS21L Series
    Item Number
    PS21L-NT20W1-T00
    MFG Item Number
    PS21L-NT20W1-T00
    Series
    PS21L
    Product Description
    LS 2NO SLOW ADJ LVR W/ 50 RLR
    Specifications
    Specifications
    Contacts 2NO/1NC
    Contact Rating (125 VAC) 5.5 A
    Contact Rating (250 VAC) 3 A
    Contact Rating (250 VDC) 0.27 A
    Connection Type Screw Terminals
    Hazardous Location Rated No
    Housing Material Thermoplastic
    Indicator No
    IEC Protection Rating IP66
    Increase
    Decrease
    Compare Item
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  4. PS21L-NS02LA-T00
    PS21L-NS02LA-T00
    Carlo Gavazzi Limit Switches, PS21L Series
    Item Number
    PS21L-NS02LA-T00
    MFG Item Number
    PS21L-NS02LA-T00
    Series
    PS21L
    Product Description
    LSW 2NC SNAP ADJ 3 ROD LVR
    Specifications
    Specifications
    Contacts 2NC
    Contact Rating (125 VAC) 5.5 A
    Contact Rating (250 VAC) 3 A
    Contact Rating (250 VDC) 0.27 A
    Connection Type Screw Terminals
    Hazardous Location Rated No
    Housing Material Thermoplastic
    Indicator No
    IEC Protection Rating IP66
    Increase
    Decrease
    Compare Item
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  5. PS21L-NT11LG-M00
    PS21L-NT11LG-M00
    Carlo Gavazzi Limit Switches, PS21L Series
    Item Number
    PS21L-NT11LG-M00
    MFG Item Number
    PS21L-NT11LG-M00
    Series
    PS21L
    Product Description
    LSW 1NO+1NC SLOW ADJ ROD LVR
    Specifications
    Specifications
    Contacts 1NO/1NC
    Contact Rating (125 VAC) 5.5 A
    Contact Rating (250 VAC) 3 A
    Contact Rating (250 VDC) 0.27 A
    Connection Type Screw Terminals
    Hazardous Location Rated No
    Housing Material Metal
    Indicator No
    IEC Protection Rating IP66
    Increase
    Decrease
    Compare Item
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  6. PS21L-NO11W1-T00
    PS21L-NO11W1-T00
    Carlo Gavazzi Limit Switches, PS21L Series
    Item Number
    PS21L-NO11W1-T00
    MFG Item Number
    PS21L-NO11W1-T00
    Series
    PS21L
    Product Description
    1NO+1NC SLOW ADJ LVR W/ 50 RLR
    Specifications
    Specifications
    Contacts 1NO/1NC
    Contact Rating (125 VAC) 5.5 A
    Contact Rating (250 VAC) 3 A
    Contact Rating (250 VDC) 0.27 A
    Connection Type Screw Terminals
    Hazardous Location Rated No
    Housing Material Thermoplastic
    Indicator No
    IEC Protection Rating IP66
    Increase
    Decrease
    Compare Item
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  7. PS21L-NT11W2-H00
    PS21L-NT11W2-H00
    Carlo Gavazzi Limit Switches, PS21L Series
    Item Number
    PS21L-NT11W2-H00
    MFG Item Number
    PS21L-NT11W2-H00
    Series
    PS21L
    Product Description
    1NO+1NC SLOW ADJ LVR W/ ADJ 50 RLR
    Specifications
    Specifications
    Contacts 1NO/1NC
    Contact Rating (125 VAC) 5.5 A
    Contact Rating (250 VAC) 3 A
    Contact Rating (250 VDC) 0.27 A
    Connection Type Screw Terminals
    Hazardous Location Rated No
    Housing Material Thermoplastic
    Indicator No
    IEC Protection Rating IP66
    Increase
    Decrease
    Compare Item
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  8. PS21L-NT20RT-T00
    PS21L-NT20RT-T00
    Carlo Gavazzi Limit Switches, PS21L Series
    Item Number
    PS21L-NT20RT-T00
    MFG Item Number
    PS21L-NT20RT-T00
    Series
    PS21L
    Product Description
    LSW 2NO SLOW NYL RLR LVR
    Specifications
    Specifications
    Contacts 2NO/1NC
    Contact Rating (125 VAC) 5.5 A
    Contact Rating (250 VAC) 3 A
    Contact Rating (250 VDC) 0.27 A
    Connection Type Screw Terminals
    Hazardous Location Rated No
    Housing Material Thermoplastic
    Indicator No
    IEC Protection Rating IP66
    Increase
    Decrease
    Compare Item
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  9. PS21L-NS11LN-H00
    PS21L-NS11LN-H00
    Carlo Gavazzi Limit Switches, PS21L Series
    Item Number
    PS21L-NS11LN-H00
    MFG Item Number
    PS21L-NS11LN-H00
    Series
    PS21L
    Product Description
    1NO+1NC SNAP ADJ NYL ROD LVR
    Specifications
    Specifications
    Contacts 1NO/1NC
    Contact Rating (125 VAC) 5.5 A
    Contact Rating (250 VAC) 3 A
    Contact Rating (250 VDC) 0.27 A
    Connection Type Screw Terminals
    Hazardous Location Rated No
    Housing Material Thermoplastic
    Indicator No
    IEC Protection Rating IP66
    Increase
    Decrease
    Compare Item
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  10. PS21L-NS02LB-M00
    PS21L-NS02LB-M00
    Carlo Gavazzi Limit Switches, PS21L Series
    Item Number
    PS21L-NS02LB-M00
    MFG Item Number
    PS21L-NS02LB-M00
    Series
    PS21L
    Product Description
    LSW 2NC SNAP NYLON/SPRING LVR
    Specifications
    Specifications
    Contacts 2NC
    Contact Rating (125 VAC) 5.5 A
    Contact Rating (250 VAC) 3 A
    Contact Rating (250 VDC) 0.27 A
    Connection Type Screw Terminals
    Hazardous Location Rated No
    Housing Material Metal
    Indicator No
    IEC Protection Rating IP66
    Increase
    Decrease
    Compare Item
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
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Switches

A switch is a component that uses an electrical signal to actuate, operate or control a mechanical action. Alternatively, switches may use a mechanical action to control an electrical signal.

Typically an electromechanical device, switches include components like relays, pushbuttons, valves, solenoids - even more distinct components like motors or circuit breakers operate with switch-like characteristics.
These types of devices use the principles of electromagnetism, where the influence of a magnetic field, generated when current passes through a coil, activates a switch. When current is applied to devices like relays or solenoids, a magnetic field forces contacts to open or close to complete or interrupt a circuit. Likewise, pressing a button or pulling a lever can manually open or close a circuit.

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