Description
Compact microswitch (snap-action) for position detection, limit stops and control buttons in low-power applications. The switch is equipped with three terminals for connecting a common contact (COM) and NO/NC contacts, which allows it to be used as a changeover contact (SPDT).
Technical specifications
Type: micro switch, push-button/snap-action mechanism
Contacts: SPDT (COM, NO, NC)
Rated load: 1A/125VAC
Temperature range: -25 to +125 °C
Contact resistance: 0.03
Insulation resistance: 100 M
Dielectric strength: AC 1500 V (50 Hz) / 1 min
Insertion and extraction force: 3 to 20 N
Leads: soldered (THT)
Contact/terminal material: copper
Certification: CE, RoHS
Operating temperature: -25°C to 70°C
Protection: IP00
Lifespan: 100,000 switching cycles
Body dimensions: 12.9 mm (length) x 5.9 mm (width) x 6.5 mm (height)
Functions and features
Snap-action contacts for repeatable switching
Possibility to select NO or NC function according to the connection
Compact design suitable for devices with limited space
Through-hole mounting into PCB (THT) with soldered leads
Ideal for
Buttons and switches in small electronics
Position detection, limit switches and simple mechanical motion sensing
Repairs and servicing of peripherals and consumer electronics (e.g. switching elements in drives)
Prototypes and development devices with mechanical control
Package contents
1x microswitch YD-003
Why choose this product?
Standard SPDT (COM/NO/NC) wiring for flexible use in circuits
Compact dimensions suitable for mounting on PCBs and small assemblies
Load rating listed 1A/125VAC for low power switching
Installation and operating instructions
Before designing the wiring, verify the layout of the COM/NO/NC terminals according to the markings on the switch body and the PCB installation documentation.
When soldering, follow normal procedures for THT components and avoid excessive thermal stress on the leads.
For reliable function, ensure correct mechanical seating of the control element on the switch button and avoid permanent overloading.
Safety notice
The switch can be used in circuits with mains voltage (according to the marking 125VAC). When working with mains voltage devices, disconnect the power supply and follow the principles of safe handling.
Observe the insulation distances and design rules of the device; do not exceed the rated load of the contacts.
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