Skip to content
Blog Need Help?

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.

Filters

$
$
Knob Plastic Push On 18T Spline Gry/Blu - Folders
$2.30

Knob Plastic Push On 18T Spline Gry/Blu

Folders

These knobs simply push on to a standard 18 tooth spline.Complete with coloured pointer and skirtHK-7730 - RedHK-7731 - YellowHK-7732 - GreenH...

View full details
$2.30 - $2.30
$2.30
$2.30
$2.30 - $2.30
$2.30
Knob Plastic Push On 18T Spline - Grey/Gr - Folders
$2.30

Knob Plastic Push On 18T Spline - Grey/Gr

Folders

These knobs simply push on to a standard 18 tooth spline.Complete with coloured pointer and skirtHK-7730 - RedHK-7731 - YellowHK-7732 - GreenH...

View full details
$2.30 - $2.30
$2.30
$2.30
$2.30 - $2.30
$2.30
Knob Plastic Push On 18T Spline Gry/Yel - Folders
$2.80

Knob Plastic Push On 18T Spline Gry/Yel

Folders

These knobs simply push on to a standard 18 tooth spline.Complete with coloured pointer and skirtHK-7730 - RedHK-7731 - YellowHK-7732 - GreenH...

View full details
$2.80 - $2.80
$2.80
$2.80
$2.80 - $2.80
$2.80
Knob Plastic Push On 18T Spline Grey/Red - Folders
$2.30

Knob Plastic Push On 18T Spline Grey/Red

Folders

These knobs simply push on to a standard 18 tooth spline.Complete with coloured pointer and skirtHK-7730 - RedHK-7731 - YellowHK-7732 - GreenH...

View full details
$2.30 - $2.30
$2.30
$2.30
$2.30 - $2.30
$2.30
Grey Push On Style Knob - Folders
$1.85

Grey Push On Style Knob

Folders

These knobs just push on to a standard 0.25 (1/4) shaft. - No more messy screws. - Complete with coloured cap. Specifications: Colour /...

View full details
$1.85 - $1.85
$1.85
$1.85
$1.85 - $1.85
$1.85
Yellow Push On Style Knob - Folders
$1.85

Yellow Push On Style Knob

Folders

These knobs just push on to a standard 0.25 (1/4) shaft. - No more messy screws. - Complete with coloured cap. Specifications: Colour /...

View full details
$1.85 - $1.85
$1.85
$1.85
$1.85 - $1.85
$1.85
Green Push On Style Knob - Folders
$1.85

Green Push On Style Knob

Folders

These knobs just push on to a standard 0.25 (1/4) shaft. - No more messy screws. - Complete with coloured cap. Specifications: Colour /...

View full details
$1.85 - $1.85
$1.85
$1.85
$1.85 - $1.85
$1.85
Numbered Knob - Skirt with Number 1-10 - Folders
$4.70

Numbered Knob - Skirt with Number 1-10

Folders

0 - 10  Specifications: Colour / Finish Black Colour Coded (Insert/Marking) Silver Shape Cylindrical ...

View full details
$4.70 - $4.70
$4.70
$4.70
$4.70 - $4.70
$4.70
22mm Brushed Aluminium Knob - Folders
$11.90

22mm Brushed Aluminium Knob

Folders

Features a high quality brushed aluminium finish, an engraved pointer and very attractive appearance, making them suitable for Hi Fi projects ...

View full details
$11.90 - $11.90
$11.90
$11.90
$11.90 - $11.90
$11.90
16mm Brushed Aluminium Knob - Folders
16mm Brushed Aluminium Knob - Folders
$10.50

16mm Brushed Aluminium Knob

Folders

Features a high quality brushed aluminium finish, an engraved pointer and veryattractive appearance, making them suitable for Hi Fi projects o...

View full details
$10.50 - $10.50
$10.50
$10.50
$10.50 - $10.50
$10.50
16mm Black Anodised Knob - Folders
16mm Black Anodised Knob - Folders
$10.50

16mm Black Anodised Knob

Folders

With grub screws.- Suits 0.25/6.35mm shaft. - Solid aluminium construction. Specifications: Colour / Finish Black Anodised ...

View full details
$10.50 - $10.50
$10.50
$10.50
$10.50 - $10.50
$10.50
SPDT Flattened Actuator Mini Toggle Switch - Folders
$7.70

SPDT Flattened Actuator Mini Toggle Switch

Folders

SPDT miniature flattened actuator. Specifications: Switch Type Toggle Poles / Contacts 1 pole Throws / Position...

View full details
$7.70 - $7.70
$7.70
$7.70
$7.70 - $7.70
$7.70
DPDT Miniature Toggle Switch - Solder Tag - (on - none - mom) - Folders
$6.50

DPDT Miniature Toggle Switch - Solder Tag (on-off-mom)

Folders

Solder tag with threaded bush Brackets indicate switch position Momentary (on - none - mom) (i.e. No middle position)  FEATURES: Operating temp:...

View full details
$6.50 - $6.50
$6.50
$6.50
$6.50 - $6.50
$6.50
Pushbutton Switch 6A@250VAC Neon IP56 - Folders
$11.90

Pushbutton Switch 6A@250VAC Neon IP56

Folders

Pushbutton Switch Neon IP56 DPST Specifications: Switch Type Pushbutton Poles / Contacts 2 pole Throws / Positi...

View full details
$11.90 - $11.90
$11.90
$11.90
$11.90 - $11.90
$11.90
Black Miniature Pushbutton - SPST Momentary Action 125V 1A rating - Folders
$3.20

Black Miniature Pushbutton - SPST Momentary Action 125V 1A rating

Folders

Miniature pushbutton momentary. Specifications: Switch Type Pushbutton Poles / Contacts 1 pole Throws / Positio...

View full details
$3.20 - $3.20
$3.20
$3.20
$3.20 - $3.20
$3.20
Red Miniature Pushbutton - SPST Momentary Action 125V 1A rating - Folders
Red Miniature Pushbutton - SPST Momentary Action 125V 1A rating - Folders
$2.80

Red Miniature Pushbutton - SPST Momentary Action 125V 1A rating

Folders

Miniature pushbutton momentary. Specifications: Switch Type Pushbutton Poles / Contacts 1 pole Throws / Positio...

View full details
$2.80 - $2.80
$2.80
$2.80
$2.80 - $2.80
$2.80
Red LED Illuminated switch - Folders
$9.50

Red LED Illuminated switch

Folders

These short bodied pushbuttons are available 2 ways. Both have red LEDs behind a red diffused actuator. LED needs 2V. Red illuminated actuator...

View full details
$9.50 - $9.50
$9.50
$9.50
$9.50 - $9.50
$9.50
Small Black SPST N/O Momentary Action - Folders
Small Black SPST N/O Momentary Action - Folders
$6.20

Small Black SPST N/O Momentary Action

Folders

Very attractive small round momentary push on switch, with black body and black actuator. Specifications: Switch Type Pushbu...

View full details
$6.20 - $6.20
$6.20
$6.20
$6.20 - $6.20
$6.20
SPST Keyswitch Standard Type - Folders
SPST Keyswitch Standard Type - Folders
$20.90

SPST Keyswitch Standard Type

Folders

Solid barrel type. Supplied with 2 (two) keys. Specifications: Switch Type Key Pole Throw Type SPST Switch Func...

View full details
$20.90 - $20.90
$20.90
$20.90
$20.90 - $20.90
$20.90
Rocker Switch Illuminated Blue SPST 15A 240VAC - Folders
$5.30

Rocker Switch Illuminated Blue SPST 15A 240VAC

Folders

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

View full details
$5.30 - $5.30
$5.30
$5.30
$5.30 - $5.30
$5.30
IP65 Rated Mini Rocker Switch - Folders
$11.90

IP65 Rated Mini Rocker Switch

Folders

SPST mini rocker switches with spade QC lugs. Sealed with a rubber boot and IP65 rated.Two types available:Black: SK-0968Red (illuminated): SK...

View full details
$11.90 - $11.90
$11.90
$11.90
$11.90 - $11.90
$11.90
Round IP65 Rated Rocker Switch DPDT 250VAC 10A - Folders
$12.90

Round IP65 Rated Rocker Switch DPDT 250VAC 10A

Folders

DPDT round rocker switches with mini spade QC lugs. Sealed with a rubber boot and IP65 rated.Two types available:Black: SK-0966Red (illuminate...

View full details
$12.90 - $12.90
$12.90
$12.90
$12.90 - $12.90
$12.90
29mm Numbered Knob - Skirt with Number 0 - 9 - Folders
$4.90

29mm Numbered Knob - Skirt with Number 0 - 9

Folders

0 - 9 Specifications: Colour / Finish Black Colour Coded (Insert/Marking) Silver Shape Cylindrical wi...

View full details
$4.90 - $4.90
$4.90
$4.90
$4.90 - $4.90
$4.90
23mm Knob - Black Plastic with Pointer - Folders
23mm Knob - Black Plastic with Pointer - Folders
$3.40

23mm Knob - Black Plastic with Pointer

Folders

Brass ferrule insert. Suit 0.25"/6.35mm shaft. Specifications: Colour / Finish Black Colour Coded (Insert/Marking) ...

View full details
$3.40 - $3.40
$3.40
$3.40
$3.40 - $3.40
$3.40
" "