Category:Switch
Push Button
- 10PCs Super-Micro SMD Turtle-style Push Button (3*4mm)
- 20PCs Interlocking Self-Locking Push Button
Size
- Super-Micro push switch: All size less than 5 mm.
- Micro push switch: all Size less than 10 mm, bigger than 5mm.
Membrane Button
- 10PCs Super-Micro SMD Dome Membrane Switch (4x4mm)
SPDT/DPDT Switch
| Electronics specification and abbreviation | Expansion of abbreviation |
British mains wiring name |
American electrical wiring name |
Description | Symbol |
|---|---|---|---|---|---|
| SPST | Single pole, single throw | One-way | Two-way | A simple on-off switch: The two terminals are either connected together or disconnected from each other. An example is a light switch. | 
|
| SPDT | Single pole, double throw | Two-way | Three-way | A simple changeover switch: C (COM, Common) is connected to L1 or to L2. | 
|
| SPCO SPTT, c.o. |
Single pole changeover or Single pole, centre off or Single Pole, Triple Throw |
Similar to SPDT. Some suppliers use SPCO/SPTT for switches with a stable off position in the centre and SPDT for those without.Template:Citation needed | |||
| DPST | Double pole, single throw | Double pole | Double pole | Equivalent to two SPST switches controlled by a single mechanism | 
|
| DPDT | Double pole, double throw | Equivalent to two SPDT switches controlled by a single mechanism. | 
| ||
| DPCO | Double pole changeover or Double pole, centre off |
Equivalent to DPDT. Some suppliers use DPCO for switches with a stable off position in the centre and DPDT for those without. | |||
| Intermediate switch | Four-way switch | DPDT switch internally wired for polarity-reversal applications: only four rather than six wires are brought outside the switch housing. | 
|
