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A7PS-203-1 Thumbwheel Switch Output code number: 03 (decimal code) OMRON A7PS-203-1
Brand: OMRON
Name: Thumbwheel Switch
Model: A7PS-203-1
Model: A7PS.
Classification (See note 1.): Snap-in (front mounting).
Character height: Decimal: 6.8 mm Hexadecimal: 4.0 mm.
Terminals: Solder terminals.
Color: Black.
Output code number: 03 (decimal code).
Dust-tight, Easy-to-Use,
Push-operated Switches with Large.
Display Characters.
Simple push mechanism and large, easy-to-view numeric display,
make setting easy.
Dust penetration prevented with seal for the display windows.

Appearance: Round/Half-guard type LED voltage-reduction lighting,
(with Voltage Reduction Unit) A22L-H.
Output: SPST-NO + SPST-NC.
Lighting: LED.
Operating voltage: 100 VAC.
Operation: Alternate operation (self-holding).
Illumination color: R (red); Y (yellow); G (green); W (white); A (blue).
Install in 22-dia OMRON A7PS-203-1. or 25-dia. Panel Cutout.
(When Using a Ring).
Lever for easily mounting and removing the Switch Unit A7PS-203-1
Increase wiring efficiency with three-row mounting of Switch Blocks.
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 OMRON A7PS-203-1.
IP65 oil resistance (non-lighted models).
IP65 (lighted models). Ratings: Standard load; 5 A at 250 VAC, 4 A at 30 VDC.
Cable: VCTF oil-resistant cable *1.
Actuator: Sealed pin plunger.
Cable length : 5 m.
Compact Limit Switch That''s Also.
Thin and Highly Sealed.
Approved by EN, UL, CSA, and CCC (Chinese standard).
(Ask your OMRON representative for information on approved models OMRON A7PS-203-1. )
Sealing characteristics that meet IEC IP67 degree of protection.
Triple-sealed construction:
Plunger section sealed via nitrile rubber packing seal and,
diaphragm; switch section sealed via nitrile rubber cap;
cable entrance sealed via encapsulating material OMRON Thumbwheel Switch.
Cable lengths of 3 and 5 m available on standard models.
Models also available with UL and CSA-certified cables OMRON Thumbwheel Switch.
Multiple mounting possible with Switches with Plungers.
Models with red LED indicators added to series for easy,
confirmation of operation.
(Set by default to light for non-operation.)
VCTF oil-resistant cables with CE marking.
(Applicable only to standard models.)Type: 1C contact type.
Shape: round OMRON Thumbwheel Switch.
Terminal shape: terminal for printed board.
Action: instantaneous.
Display mode: do not display.
Operation Department color: green.
Large capacity compact type push button switch.
Can also be used as a power switch with a large capacity cut.
Can be switched from miccro load (minimum applicable load 1mA DC5V) to large capacity load A7PS-203-1. Type: rectangle.
Screen mode: no segmentation.
Light way: LED.
Power supply voltage: DC12V.
Operation Department color: yellow.
Square 40mm body of the indicattor light series OMRON A7PS-203-1.
The same type as the A3S series button switch.
Easy to install from the front panel and no tools to carry out the lamp replacement.


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