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.