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Switches & Relays

Switches and relays are electronic components that are used to control the flow of electrical current in a circuit. A switch is a simple device that has two or more conductive contacts that can be opened or closed to allow or interrupt the flow of electrical current.  Switches are available in many different configurations, including toggle, push-button, rocker, and slide. A relay is an electrically operated switch that uses an electromagnet to open or close a circuit. Relays are used to control the flow of electrical current in a circuit remotely or automatically.
Folders

Universal pushbutton switch suitable for replacing switches in some equipment. Also commonly used in small electronics projects such as school sc...

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Original price $3.40
Original price $3.40 - Original price $3.40
Original price $3.40
Current price $3.30
$3.30 - $3.30
Current price $3.30
Folders

You have both types of contacts on the one unit, so you will always have the correct one!Normally Open (N.O.) and Normally Closed (N.C.) per p...

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Original price $10.50 - Original price $10.50
Original price $10.50
$10.50
$10.50 - $10.50
Current price $10.50
Folders

VERTICAL OR HORIZONTAL MOUNT NO or NCIdeal for use in conjunction with solenoid valves, water pumps, etc., this float switch can be made NO or ...

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Original price $31.90
Original price $31.90 - Original price $31.90
Original price $31.90
Current price $29.90
$29.90 - $29.90
Current price $29.90
Folders

SPST panel mount toggle switch. Specifications: Switch Type Toggle Poles / Contacts 1 pole Throws / Positions ...

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Original price $4.50 - Original price $4.50
Original price $4.50
$4.50
$4.50 - $4.50
Current price $4.50
Folders

Huge 6A 250VAC rating (10A 125VAC), chrome toggle with on/off indicator plate. - DPDT centre off. - Screw wire terminals. Same physical size as S...

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Original price $8.90 - Original price $8.90
Original price $8.90
$8.90
$8.90 - $8.90
Current price $8.90
Folders

Momentary contacts with spring returns to centre on both sides. These are commonly used for car power antennas and power windows. Specifi...

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Original price $11.90 - Original price $11.90
Original price $11.90
$11.90
$11.90 - $11.90
Current price $11.90
Folders

DPDT panel mount toggle switch. Specifications: Switch Type Toggle Poles / Contacts 2 pole Throws / Positions ...

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Original price $4.70 - Original price $4.70
Original price $4.70
$4.70
$4.70 - $4.70
Current price $4.70
Folders

These are used to secure an alarm circuit on a door or window. Sold as a pair, one has a magnet inside, the other a reed switch. They have powerf...

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Original price $8.20 - Original price $8.20
Original price $8.20
$8.20
$8.20 - $8.20
Current price $8.20
Folders

Plastic housing with protective rubber cap for harsh enviroments. - Requires 22mm mounting hole.- Screw terminals.- Ideal for horn button, starte...

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Original price $11.90 - Original price $11.90
Original price $11.90
$11.90
$11.90 - $11.90
Current price $11.90
Folders

Essential for installations of industrial or lab equipment. Latching actuator with rotating release. Two sets of contacts: one normally open, ...

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Original price $23.90
Original price $23.90 - Original price $23.90
Original price $23.90
Current price $21.90
$21.90 - $21.90
Current price $21.90
Folders

Ideal for any high current 12VDC switching application. Out ST-0578 Missile Switch Cover is perfectly suited to this switch.- ST-0577 Momentar...

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Original price $13.90
Original price $13.90 - Original price $13.90
Original price $13.90
Current price $12.90
$12.90 - $12.90
Current price $12.90
Folders

This large toggle switch is specially designed for marine conditions. A weatherproof rubber boot covers the actuator, and the switch mechanism...

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Original price $28.90
Original price $28.90 - Original price $28.90
Original price $28.90
Current price $27.90
$27.90 - $27.90
Current price $27.90
Folders

SPDT ON-ON. QC tab termination (6.4mm). Specifications: Switch Type Micro Poles / Contacts 1 pole Throws / Pos...

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Original price $5.40
Original price $5.40 - Original price $5.40
Original price $5.40
Current price $5.10
$5.10 - $5.10
Current price $5.10
Folders

Features: - Snap fits into a 20mm round hole- 10 amps @ 125VAC- 6 amps @ 250VAC- Black body with black actuator- Q.C. tab termination Speci...

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Original price $4.30
Original price $4.30 - Original price $4.30
Original price $4.30
Current price $4.10
$4.10 - $4.10
Current price $4.10
Folders

This is a classy switch. It is a rocker, but only needs a round 12mm hole (with 1mm flat). Its SPST and can handle a massive 30 amps at 12VDC....

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Original price $7.70 - Original price $7.70
Original price $7.70
$7.70
$7.70 - $7.70
Current price $7.70
Folders

IP65 rated, illuminated switch for automotive and marine applications. Illuminates one side red and one side green. Specifications: ...

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Original price $23.90
Original price $23.90 - Original price $23.90
Original price $23.90
Current price $21.90
$21.90 - $21.90
Current price $21.90
Folders

- Silver Metal body- Momentary action SPST- Screw terminal termination Specifications: Switch Type Pushbutton Poles / Cont...

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Original price $11.90
Original price $11.90 - Original price $11.90
Original price $11.90
Current price $10.50
$10.50 - $10.50
Current price $10.50
Folders

Break before make (non shorting contacts). Mounting holes 19mm apart. Screws to mount switch Cat. HP-0390. Specifications: Switch Typ...

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Original price $2.10
Original price $2.10 - Original price $2.10
Original price $2.10
Current price $1.90
$1.90 - $1.90
Current price $1.90
Folders

DPDT switch with black body and black actuator.Spade lug connections. Snap in fitting. Specifications: Switch Type Rocker ...

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Original price $6.90
Original price $6.90 - Original price $6.90
Original price $6.90
Current price $6.50
$6.50 - $6.50
Current price $6.50
Folders

SPST 240V 15A rocker switches. Spade lug connectors with QC fittings. Black body with illuminated actuator.Three types available:> Blue: SK...

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Original price $4.70 - Original price $4.70
Original price $4.70
$4.70
$4.70 - $4.70
Current price $4.70
Folders

Ideal to control tank filling systems this vertical movement float switch fits quickly to the lid or top cover of a tank or other container. A me...

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Original price $25.90
Original price $25.90 - Original price $25.90
Original price $25.90
Current price $23.90
$23.90 - $23.90
Current price $23.90
Folders

Extremely compact with a footprint of only 22 x 15mm, but maintaining high contact currents for automotive applications. Ideal for air horns, ...

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Original price $11.90 - Original price $11.90
Original price $11.90
$11.90
$11.90 - $11.90
Current price $11.90
Folders

These hoods simply screw over the toggle switch to prevent ingress of water. 2 sizes available. Small suits our mini toggle switches. Large su...

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Original price $4.10
Original price $4.10 - Original price $4.10
Original price $4.10
Current price $3.90
$3.90 - $3.90
Current price $3.90
Folders

Standard sized micro switch without lever, ideal for those applications where a lever is not needed, and a simple button is all that is required....

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Original price $4.90
Original price $4.90 - Original price $4.90
Original price $4.90
Current price $4.70
$4.70 - $4.70
Current price $4.70
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