Microswitches

Microswitches are mechanically operated electrical switches designed with an actuator and terminals called common, normally open and normally closed. A micro switch is also known as a snap action switch, they operate by using a spring loaded lever to open and close a set of internal contacts inside the unit.

How does a microswitch work?

Power is typically attached to the common terminal, this leads into the switch and energises the spring and because the spring is touching the normally close pin it sends power out here, this is called a resting state. Once the arm is moved the power is then transferred to the normally open pin.

Where would you find them?

Microswitches are differentiated by their electrical characteristics. These are small devices and generally only designed to carry low current and voltages. These switches are very commonly employed as safety devices, as they are reliable, inexpensive and can open up a circuit when needed, preventing a machine from being turned on or a door from closing when someone is in the way.

Actuator types

There are various types available but the operating principles are the same, switches are actuated by a plunger, a button, a roller or a lever.

What is their operating life?

Microswitches operating life is generally very high, being measured in millions of cycles, in most cases. Consumer products generally have lighter-duty microswitches than industrial products, but the low cost of these parts makes it easy enough to upgrade to higher mechanical life expectancies when required or when it's simply beneficial to do so.

Standards

We offer a range of high quality sealed miniature and sub-miniature microswitches that meet industry standards and RoHS compliance.

What type of applications need microswitches?

Microswitches are used in consumer devices and industrial equipment. Common application for these devices are in door interlocks, microwave ovens or where a door has to be shut before the power to the device will turn on. Microswitches are also used in levelling devices, such as those used on vending machines. In an elevator, these devices are used in the door as a safety switch.

Microswitches can be designed to be very sensitive. Such designs can be used in very precise equipment, such as that which measures the flow of air or other gasses through a system. These devices are used extensively in industry, often in control circuits.

...
Read more Read less

Filters

Viewing 1 - 20 of 1534 products
Results per page
Description Price Actuator Type Terminal Type Contact Current Rating Contact Configuration IP Rating Operating Force Minimum Operating Temperature Maximum Operating Temperature Switch Housing Contact Material Case Material Mechanical Life Release Force Operating Temperature Range
RS Stock No. 682-2660
Mfr. Part No.SS-5GL2
BrandOmron
$3.35
Each (In a Pack of 5)
units
Roller Lever Solder 5 A @ 125 V ac SPDT-NO/NC IP40 0.49 N -25°C +85°C - Silver - 30000000Operations 0.06N -25 → +85°C
RS Stock No. 150-710
Mfr. Part No.DC1C-A1LD
BrandZF
$4.48
Each
units
Long Hinge Lever Solder 6 A @ 250 V ac SPDT-NO/NC IP6K7 - -40°C +120°C - Silver Alloy - 1000000Operations - -40 → +120°C
RS Stock No. 472-8112
Mfr. Part No.XCG5-S1-Z1
$8.34
Each
units
Roller Lever Tab 5 A @ 250 V ac - - 0.69 N - - - Gold; Silver - - 0.09N -
RS Stock No. 173-9385
Mfr. Part No.XCG5-S1-Z1
$7.172
Each (In a Bag of 200)
units
Roller Lever Tab 5 A @ 250 V ac - - 0.69 N - - - Gold; Silver - - 0.09N -
RS Stock No. 794-4023
Mfr. Part No.V1561C5
BrandOmron
$5.52
Each
units
Roller Lever Quick Connect 15 A @ 250 V ac SPDT IP40 1.23 N -25°C +80°C - Silver Alloy - 50000000Operations - -25 → +80°C
RS Stock No. 616-0215
Mfr. Part No.D3V-16-1C5
BrandOmron
$3.40
Each
units
Pin Plunger Tab 16 A @ 250 V ac SPDT-NO/NC IP40 1.96 N -25°C +105°C - Silver Alloy - 10000000Operations 0.49N -25 → +105°C
RS Stock No. 472-8207
Mfr. Part No.XGG2-88Z1
$6.84
Each
units
Button Tab 16 A @ 250 V ac SPDT-NO/NC IP40 3.2 N -40°C +85°C - Fine Silver; Silver Nickel Melamine Formaldehyd Thermosetting 50000000Operations 0.4N -40 → +85°C
RS Stock No. 682-2746
Mfr. Part No.V-152-1C25
BrandOmron
$6.15
Each
units
Hinge Lever Tab 15 A @ 250 V ac SPDT-NO/NC IP40 1.23 N -25°C +80°C - Silver Alloy - 50000000Operations 0.14N -25 → +80°C
RS Stock No. 706-4307
Mfr. Part No.DC1C-C3LB
BrandZF
$14.39
Each
units
Short Lever Pre-wired 6 A @ 250 V ac SPDT-NO/NC IP6K7 0.78 N -40°C +105°C - Silver Alloy - 1000000Operations - -40 → +105°C
RS Stock No. 515-729
Mfr. Part No.V15H22-CZ100
BrandHoneywell
$6.09
Each
units
Plunger - 22 A @ 250 V ac SPDT-NO/NC - - - - - - - - - -
RS Stock No. 334-404
Mfr. Part No.BZ-2RW822-A2
BrandHoneywell
$28.26
Each
units
Short Roller Lever Screw 15 A @ 125 V ac SPDT-NO/NC - 1.67 N - - - Fine Silver - - 0.42N -
RS Stock No. 517-911
Mfr. Part No.GPTCRH01
BrandZF
$32.53
Each
units
Roller Plunger Screw 15 A @ 250 V ac SPDT-NO/NC - 3.42 N -20°C +85°C - Silver Alloy - 1000000Operations 1.11N -20 → +85°C
RS Stock No. 517-791
Mfr. Part No.GPTCRM01
BrandZF
$29.65
Each
units
Short Roller Lever Screw 15 A @ 250 V ac SPDT-NO/NC - 1.56 N -20°C +85°C - Silver Alloy - 1000000Operations 0.39N -20 → +85°C
RS Stock No. 682-2553
Mfr. Part No.D3V-165-1C25
BrandOmron
$4.832
Each (In a Pack of 5)
units
Short Roller Lever Tab 16 A @ 250 V ac SPDT-NO/NC IP40 - -25°C +105°C - Silver Alloy - 10000000Operations - -25 → +105°C
RS Stock No. 159-4590
Mfr. Part No.DB1C-A1LB
BrandZF
$3.87
Each
units
Short Lever Solder 6 A @ 250 V ac SPDT-NO/NC IP50 0.59 N -40°C +120°C - Gold; Silver Alloy - 15000000Operations - -40 → +120°C
RS Stock No. 515-690
Mfr. Part No.V15T16-EZ100A06
BrandHoneywell
$7.96
Each
units
Roller Lever Tab 16 A @ 250 V ac SPDT-NO/NC - 0.98 N -25°C +125°C - Silver Cadmium Oxide Polybutylene Terephthalate PET Thermoplastic 5000000Operations 0.25N -25 → +125°C
RS Stock No. 159-4607
Mfr. Part No.DB1C-A1LD
BrandZF
$8.23
Each
units
Long Hinge Lever Solder 6 A @ 250 V ac SPDT-NO/NC - 0.18 N -40°C +120°C - Gold; Silver Alloy - 15000000Operations - -40 → +120°C
RS Stock No. 338-282
Mfr. Part No.BZ-2RW82-A2
BrandHoneywell
$39.00
Each
units
Roller Lever Screw 15 A @ 125 V ac SPDT-NO/NC - 0.97 N - - - - - - 0.21N -
RS Stock No. 804-6278
BrandRS PRO
$1.706
Each (In a Bag of 5)
units
Lever Solder 2 A @ 250 V ac SP - 50 gms -25°C +85°C - Silver Glass Filled Thermoplastic 500000 Operations @ 60 cpm 2.5gf -25 → +85°C
RS Stock No. 159-4449
Mfr. Part No.D459-V3RD
BrandZF
$6.546
Each (In a Pack of 5)
units
Roller Lever Tab 16 A @ 250 V ac SPDT-NO/NC - 0.49 N -40°C +85°C - Silver Alloy - - - -40 → +85°C
Related Products
The ZF GP series Microswitch has a long ...
Description:
The ZF GP series Microswitch has a long roller actuator and a contact rating of 15A at 250VAC This is a highly reliable SPDT contact configuration Microswitch offers a high level of repeat accuracy. Operating forces is 0.97NScrew terminal type ...
AVM Sub-miniature High Precision Switches (FS long life ...
Description:
AVM Sub-miniature High Precision Switches (FS long life version) These subminiature high precision microswitches have are of a flux resistant construction with integrally moulded terminals and are available with a variety of actuator and terminal styles Typical applications include communication ...
The Saia-Burgess Microswitch has an electrical rating of ...
Description:
The Saia-Burgess Microswitch has an electrical rating of 10A at 250VAC with SP contact configuration It has silver contact material and a zinc case with a long roller lever actuator. Operating temperature ranges between -10°C and 85°COperating force is 4.5NMechanical ...
V4NS Sealed Sub-miniature Micro-switches Sealed to IP67SPCO contact ...
Description:
V4NS Sealed Sub-miniature Micro-switches Sealed to IP67SPCO contact configuationUL94-V0 flame retardant housing Dimensions: H10 x W65 x D20 (solder), H17 x W 6.5 x D20 (pre-wired)Operating Temperature range: -40 to +85°C Note The Long Lever length is 60mm Approvals UL, ...