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A3AT-90A1-00ER Small button switch Can also be used as a power switch with a large capacity cut OMRON A3AT-90A1-00ER
Brand: OMRON
Name: Small button switch
Model: A3AT-90A1-00ER
Type: 1C contact type.
Shape: round.
Terminal shape: solder terminal.
Action: instantaneous.
Display mode: LED display.
Operation Department color: red.
Large capacity compact type push button switch.
Can also be used as a power switch with a large capacity cut.
Can be switched from micro load (minimum applicable load 1mA DC5V) to large capacity load.

Output: DPDT.
Lighting: LED (with built-in reduced-voltage lighting function).
Operating voltage: 200/220 VAC/VDC.
Pushbutton colorsymbol: R: red, Y: yellow; PY: pure yellow
G: green, A: blue; PW: pure white; B: black *2.
Item: Momentary operation (Self-resetting).
Separate Construction with.
Cylindrical 16-dia OMRON A3AT-90A1-00ER. Body.
Miniature design of 28.5 mm, the smallest class in the industry A3AT-90A1-00ER
Detachable Switch.
The same contacts can be used for both standard loads and microloads.
Easy-to-wire terminal arrangement.
Certified for EN 60947-5-1. Output: DPDT.
Lighting: LED.
Operating voltage: 5 VDC.
Pushbutton colorsymbol: R: red, Y: yellow; PY: pure yellow
G: green, A: blue; PW: pure white; B: black *2 OMRON A3AT-90A1-00ER.
Item: Alternate operation (Self-holding).
Separate Construction with.
Cylindrical 16-dia. Body.
Miniature design of 28.5 mm, the smallest class in the industry.
Detachable Switch.
The same contacts can be used for both standard loads and microloads.
Easy-to-wire terminal arrangement.
Certified for EN 60947-5-1. A reliable basic switch with an external lever
Can use 0.1A, 6A, 11A, 16A and 21A models,
All models have a self - cleaning connection OMRON A3AT-90A1-00ER.
Custom leverage can be used externally or internally,
And 2 fixed positions of the external lever.
Consistent with EN61058-1 and UL1054.
Model composition:
D3V- - - - - - - - - - - - -
The 4 5 6 7 8 9
Rated value
AC250V 21: 20 (4) A
AC250V 16: 16 (3) A
AC250V 11: 11 (3) A
AC250V 6: 6 (2) A
AC125V 0 OMRON Small button switch OMRON Small button switch. 1A 01:
Contact interval
No mark: 1mm (Gap F)
G:0.5mm (Gap G)
Driving rod
No mark: needle button type
1: short swing rod type
2: swing lever type
3: long swing rod type
R 4: type swing lever type
5: ball short swing rod type
6: ball type
The installation position of the sensors
No mark: internal installation, the button switch is far from the reference position
M: external installation, the button switch is far from the reference position
K: external installation, the button switch is close to the reference position OMRON Small button switch.
Contact the specifications
SP DT 1:
SP ST-NC 2:
SP ST-NO 3:
The terminal specification
AA: welding terminal
#187 C2: type terminal
#250 C: type terminal
The maximum operating force (OF)
5: 1 A3AT-90A1-00ER. 96 N
4A: 1.23 N
4: 0.98 N
3: 0.49 N
2: 0.25 N
Note that the numerical value is a needle like button type.
We take tthe size of mounting hole
No mark: 3 OMRON A3AT-90A1-00ER. 1mm
2.9mm K:
9 special code
No mark: Standard
H: high temperature (125 degrees C)
E: special rating: 21 (8) A


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