Pushbutton Switches

OMRON manufactures a variety of pushbutton switches, most feature a modular design where the contact blocks are detachable. Available with latching or momentary action these switches are ideal for control, instrumentation and automation applications. All OMRON push-button switches feature high visibility illuminated buttons.

30mm Pushbuttons
22mm Pushbuttons
16mm Pushbuttons
Previous Models

30mm Pushbuttons

Model	A30NZ
Type	Pushbutton Switch, Standard Selector and Key-type Selector
Features	• Up to three Contact Blocks in one stage can be connected • Screw terminal structure is compatible with round crimp terminals • Finger protection and lock lever for safety and security • Meet global safety standards • Available in metal or plastic bezels • Many color variations.
Colour options	Red, Green, Yellow, White and Blue
Contact Form	SPST-N/O, SPST-N/C Combination of SPST-N/O & SPST-N/C
IP Rating	IP66

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22mm Pushbuttons

Model	A22N	M22N
Type	Pushbutton switches, with indicators	Indicator Lamps
Features	• Easy to use, upto 3 contact blocks can be connected at one stage • Terminals can be retightened when contact blocks are stacked • Screw terminal structure is compatible with round crimp terminals • Easy-to-operate lock lever for secure locking • Easy-mounting contact blocks provide finger protection • Available with metal or plastic bezels and various colors • Meet global safety standards	• Easy to use • Screw terminal structure is compatible with round crimp terminals • Available in flat, projected, semi-spherical and flat edged • Meet global safety standards
Colour options	Red, Green, Yellow, Blue, White, Orange and Black	Red, Green, Yellow, Blue, White and Orange
Contact Form	SPST-N/O, SPST-N/C Combination of SPST-N/O & SPST-N/C
IP Rating	IP66	IP66
Model	A22NK	A22NS/A22NW
Type	Key-type Selector Switch	Standard Selector Switch
Features	• Up to three Contact Blocks in one stage can be connected • Easy to use and assemble • Screw terminal structure is compatible with round crimp terminals • Finger protection and lock lever for safety and security • Meet global safety standards • Available with metal or plastic bezels • All models are keyed alike	• Up to three Contact Blocks in one stage can be connected • Screw terminal structure is compatible with round crimp terminals • Finger protection and lock lever for safety and security • Meet global safety standards • Available in metal or plastic bezels • Many color variations
Colour options	(Not applicable)	Red, Green, Yellow, White and Blue
Contact Form	SPST-N/O, SPST-N/C Combination of SPST-N/O & SPST-N/C	SPST-N/O, SPST-N/C Combination of SPST-N/O & SPST-N/C
IP Rating	IP66	IP66
Model	A22	M22
Type	Non-Illuminated	Indicator Lamps
Features	• Corrosion resistant due to all plastic construction • Flat or raised options • Large range of accessory options • Up to 3 sets of double pole contacts can be mounted	• LED or Lamp illumination • Easily replaced from front of panel • Selection of voltage options available • Finger Protection
Colour options	Red, Green, Yellow, Blue, White and Black	Red, Green, Yellow, Blue and White
Contact Form	SPST-N/O, SPST-N/C DPST-N/O, DPST-N/C DPST 1 x N/O 1 x N/C Up to 3 can be mounted	(Not applicable)
IP Rating	IP65, Oil Resistant	IP65, Oil Resistant
Model	A22L	A22S / A22W
Type	Illuminated	Non-Illuminated / Illuminated
Features	• Corrosion resistant due to all plastic construction • Flat or raised options • Large range of accessory options • Lamps easily replaced from front of panel	• 2 or 3 position heads • Momentary action • Latching action • Combination action • Long levers also available
Colour options	Red, Green, Yellow, Blue and White	Red, Green, Yellow, Blue or Non-illuminated (black)
Contact Form	SPST-N/O, SPST-N/C DPST-N/O, DPST-N/C DPST 1 x N/O 1 x N/C Up to 2 can be mounted	SPST-N/O, SPST-N/C DPST-N/O, DPST-N/C DPST 1 x N/O 1 x N/C Up to 2 can be mounted
IP Rating	IP65	IP65, Oil Resistant
Model	A22K	A22NE / A22E Series
Type	Key Switch	Emergency Stop Pushbutton
Features	• Easy Mounting and removal of switch unit • Three row mounting of switch blocks • Wiring by fork or round crimp terminals • Finger protection standard on all models • Two keys rovided for each switch or subassembly	• Positive operating mechanism (N/C contacts), conforming to EN60947-5-1 • Safety lock (pre-travel) mechanism prevents misuse, conforming to EN418
Colour options	Black	Red
Contact Form	SPST-N/O, SPST-N/C DPST-N/O, DPST-N/C DPST 1 x N/O 1 x N/C Up to 2 can be mounted	SPST-N/O, SPST-N/C DPST-N/O, DPST-N/C DPST 1 x N/O 1 x N/C (Up to 3 can be mounted)
IP Rating	IP65, Oil Resistant	IP65, Oil Resistant

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16mm Pushbuttons

Model	A16 Pushbuttons	M16 Indicators
Type	Standard	Standard
Features	• Modular construction • Snap-in assembly • Short mounting depth	• Modular construction • Snap-in assembly • Short mounting depth
Colour options	Red, Green, Yellow, White and Blue	Red, Green, Yellow, White and Blue
Contact Form	SPDT or DPDT
IP Rating	IP65 and IP40/65	IP65 and IP40/65
Model	A165K (Key-type)	A165S/W (Knob-type)
Type	Selector Switch	Selector Switch
Features	• Modular construction • Wide range of switching loads • Auotmatic and manual models	• Modular construction • Wide range of switching loads • Auotmatic and manual models
Colour options	(Not applicable)	Red, Green, Yellow and Black
Contact Form	SPDT or DPDT	SPDT or DPDT
IP Rating	IP65, Oil resistant	IP65, Oil resistant
Model	A165E
Type	Emergency Stop Pushbutton
Features	• Positive operating mechanism (N/C contacts) conforms to EN60947-5-1 • Safety lock (pre-travel) mechanism prevents misuse. • Conforms to EN418
Colour options	Red
Contact Form	SPST-N/C DPST-N0/NC 3A 250VAC / 30VDC
IP Rating	IP65

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