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.

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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庫存編號 699-5250
製造零件編號AH1480619-A
BrandPanasonic
HK$24.98
單位
Pin Plunger PCB 100 mA @ 30 V dc SPDT-NO/NC - 0.74 N -25°C +85°C - Gold Clad Silver Nickel Alloy - 1000000Operations 0.098N -25 → +85°C
RS庫存編號 173-8814
製造零件編號AH1480619-A
BrandPanasonic
HK$12.36
毎管:50 個
單位
Pin Plunger PCB 100 mA @ 30 V dc SPDT-NO/NC - 0.74 N -25°C +85°C - Gold Clad Silver Nickel Alloy - 1000000Operations 0.098N -25 → +85°C
RS庫存編號 699-5263
製造零件編號AH14809A
BrandPanasonic
HK$19.59
單位
Pin Plunger PCB 1 A @ 30 V dc SPDT - 0.74 N -25°C +85°C - Silver Nickel Alloy - 10^6Operations 0.098N -25 → +85°C
RS庫存編號 173-9130
製造零件編號AH14809A
BrandPanasonic
HK$9.41
毎管:50 個
單位
Pin Plunger PCB 1 A @ 30 V dc SPDT - 0.74 N -25°C +85°C - Silver Nickel Alloy - 10^6Operations 0.098N -25 → +85°C
RS庫存編號 699-5294
製造零件編號AH1562619-A
BrandPanasonic
HK$21.83
單位
Hinge Lever PCB 100 mA @ 30 V dc SPDT-NO/NC - 0.49 N -25°C +85°C - Gold Clad Silver Nickel Alloy - 500000Operations 0.049N -25 → +85°C
RS庫存編號 173-8424
製造零件編號AV4024
BrandPanasonic
HK$14.03
個 (以毎盒:50)
單位
Hinge Lever Solder 500 mA @ 30 V dc SPDT - 0.25 N -25°C +80°C - Silver Plated - 3 x 10^5Operations - -25 → +80°C
RS庫存編號 699-4471
製造零件編號AV4024
BrandPanasonic
HK$16.09
單位
Hinge Lever Solder 500 mA @ 30 V dc SPDT - 0.25 N -25°C +80°C - Silver Plated - 3 x 10^5Operations - -25 → +80°C
RS庫存編號 173-9120
製造零件編號AH1562619-A
BrandPanasonic
HK$12.939
毎管:50 個
單位
Hinge Lever PCB 100 mA @ 30 V dc SPDT-NO/NC - 0.49 N -25°C +85°C - Gold Clad Silver Nickel Alloy - 500000Operations 0.049N -25 → +85°C
RS庫存編號 699-0237
製造零件編號ABV1214513
BrandPanasonic
HK$42.19
單位
Simulated Roller Lever Tab 3 A @ 250 V ac SPDT IP50 1.18 N -40°C +85°C - Gold Clad Silver Nickel Alloy PPHS 5 x 10^6Operations 0.13N -40 → +85°C
RS庫存編號 698-9883
製造零件編號ABS161640
BrandPanasonic
HK$77.94
單位
Roller Lever Pre-wired 2 A @ 30 V dc SPDT IP67 0.39 N -40°C +85°C - Silver Nickel Alloy - 5 x 10^6Operations 0.034N -40 → +85°C
RS庫存編號 699-5276
製造零件編號AH148461A
BrandPanasonic
HK$24.73
單位
Simulated Roller Lever PCB 100 mA @ 30 V dc SPDT IP40 0.26 N -25°C +85°C - Gold Clad Silver Nickel Alloy - 10^6Operations 0.02N -25 → +85°C
RS庫存編號 173-8322
製造零件編號ABV1214513
BrandPanasonic
HK$33.072
個 (以毎盒:50)
單位
Simulated Roller Lever Tab 3 A @ 250 V ac SPDT IP50 1.18 N -40°C +85°C - Gold Clad Silver Nickel Alloy PPHS 5 x 10^6Operations 0.13N -40 → +85°C
RS庫存編號 699-0293
製造零件編號ABV1236503
BrandPanasonic
HK$73.02
單位
Roller Lever Tab 5 A @ 250 V ac SPST-NO IP50 1.18 N -40°C +85°C - Silver Nickel Alloy PPHS 5 x 10^6Operations 0.13N -40 → +85°C
RS庫存編號 699-5226
製造零件編號AH14609A
BrandPanasonic
HK$10.27
單位
Pin Plunger PCB 2 A @ 30 V dc SPDT - 1.47 N -25°C +85°C - Silver Nickel Alloy - 5 x 10^5Operations 0.29N -25 → +85°C
RS庫存編號 173-8816
製造零件編號AH15809-A
BrandPanasonic
HK$9.41
毎管:50 個
單位
Pin Plunger PCB 1 A @ 30 V dc SPDT-NO/NC - 0.74 N -25°C +85°C - Silver Nickel Alloy - 1000000Operations 0.098N -25 → +85°C
RS庫存編號 699-4207
製造零件編號AM50011C53A
BrandPanasonic
HK$27.50
單位
Short Hinge Lever Tab 100 mA @ 30 V dc SPDT - 2.16 N -25°C +105°C - Gold Alloy - 10^7Operations 0.39N -25 → +105°C
RS庫存編號 699-0227
製造零件編號ABV1212503
BrandPanasonic
HK$38.27
單位
Hinge Lever Tab 5 A @ 250 V ac SPDT IP50 1.18 N -40°C +85°C - Silver Nickel Alloy PPHS 5 x 10^6Operations 0.13N -40 → +85°C
RS庫存編號 173-9129
製造零件編號AH14609A
BrandPanasonic
HK$8.90
毎管:50 個
單位
Pin Plunger PCB 2 A @ 30 V dc SPDT - 1.47 N -25°C +85°C - Silver Nickel Alloy - 5 x 10^5Operations 0.29N -25 → +85°C
RS庫存編號 173-8321
製造零件編號ABV1212503
BrandPanasonic
HK$30.004
個 (以毎盒:50)
單位
Hinge Lever Tab 5 A @ 250 V ac SPDT IP50 1.18 N -40°C +85°C - Silver Nickel Alloy PPHS 5 x 10^6Operations 0.13N -40 → +85°C
RS庫存編號 699-4649
製造零件編號AVL3805613
BrandPanasonic
HK$21.84
單位
Pin Plunger Tab 100 mA @ 30 V dc SPDT - 1.47 N -25°C +85°C - Triple Clad Gold - 10^7Operations 0.2N -25 → +85°C