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A7BS-255-1 | OMRON Thumbwheel Switch A7BS-255-1

OMRON A7BS-255-1 Manual And Instructions
A7BS-255-1 datasheetPDF datasheet

OMRON A7BS-255-1 Product information and technical parameters:
Brand: OMRON
Name: Thumbwheel Switch
Model: A7BS-255-1
Model: A7BS.
Classification (See note 1.): Snap-in (front mounting).
Character height: Decimal: 4.8 mm Hexadecimal: 3.2 mm.
Terminals: Solder terminals *1.
Color: Black.
Output code number: 55 (binary coded hexadecimal,
with component-adding provision) *3.
Wide Range of Locking-type.
Models Available.
Character height of 4.8 or 3.2 mm makes for easy-to,
view display.
Installation is easy with snap-in mounting.
The series includes a complete range of locking-type,
models that prevent accidental operation.

Contact type: Standard load (250 VAC, 3 A; 30 VDC, 4 A).
Operation: Momentary operation (Self-resetting).
Case color: Black.
Output: DPDT.
Lighting: LED; 24 VDC.
Pushbutton color symbol: R.O.G.W.
Large Square-bodied Lighted.
Pushbutton Switches.
Excellent operating sensitivity.
Excellent illumination with even surface brightness OMRON A7BS-255-1.
Three-color models (green, orange, red; chameleon lighting) A7BS-255-1
included in lineup. Appearance: Knob-type Selector Switch A22W,
LED voltage-reduction lighting (without Voltage Reduction Unit).
Number of notches: 3 notches.
Resetting method: Automatic.
Output: SPST-NO + SPST-NC.
Operating voltage: 100 VAC.
Illumination color: R (red); Y (yellow); G (green); A (blue) OMRON A7BS-255-1.
Install in 22-dia. or 25-dia. Panel Cutout.
Lever for easily mounting and removing the Switch Unit.
Finger protection mechanism on Switch Unit provided as a standard feature.
Use 25-dia. ring to install in 25-dia. panel cutouts.
Mounted using either open-type (fork-type) or closed-type,
(round-type) crimp terminals.
IP65 oil resistance (non-lighted models).
IP65 (lighted models) OMRON A7BS-255-1. Output: DPDT.
Lighting: Non-lighted.
Pushbutton colorsymbol: R: red, Y: yellow; PY: pure yellow
G: green, A: blue; W: white; Non-lighted.
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. Appearance: Knob-type Selector Switch A22W,
LED voltage-reduction lighting (without Voltage Reduction Unit).
Number of notches: 3 notches.
Resetting method: Automatic.
Output: SPST-NO + SPST-NC.
Operating voltage: 100 VAC.
Illumination color: R (red); Y (yellow); G (green); A (blue).

Install in 22-dia A7BS-255-1. or 25-dia. Panel Cutout.
Lever for easily mounting and removing the Switch Unit.
Finger protection mechanism on Switch Unit provided as a standard feature.
Use 25-dia. ring to install in 25-dia. panel cutouts.
Mountted using either open-type (fork-type) or closed-type,
(round-type) crimp terminals A7BS-255-1.
IP65 oil resistance (non-lighted models).
IP65 (lighted models).


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