Omron A22NL Manual

Pushbutton Switches
A22NN/A22NL
22-mm Pushbutton Switches
Universal Design.
Emphasis on Color Coding, Workability,
and Safety.
Easy to Use
• You can connect up to three Contact Blocks in one stage for
multistage expansion.
• The terminals can be retightened when Contact Blocks are
stacked.
• Contact Blocks can be attached in any direction for easy
assembly.
• Screw terminal structure is compatible with round crimp
terminals.
Safety
• Easy-to-operate lock lever for secure locking.
• Easy-mounting Contact Blocks provide finger protection.
• Different colors of Contact Blocks (NO: blue, NC: orange)
help prevent wiring errors.
Product Lineup
• Meet global safety standards.
• Available with metal or plastic bezels.
• Many color variations.
• Standard-feature degree of protection: IP66, NEMA 4X, and NEMA 13.
Refer to Safety Precautions for All Pushbutton Switch-
es/Indicators and Safety Precautions on page 23.
Button Colors
A22NN--N
Opaque
Non-lighted
Switches
A22NN--U
Transparent
Lighted A22NL--T
Switches Transparent
* The colors when the Switches are lit are for transparent white buttons (code: TW) and yellow LED Lamps (code: Y).
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Red Green
Red Green
Red Green
When
not lit
Red Green
When lit
Yellow White Blue
Yellow White Blue
Yellow White Blue
Yellow White Blue
Black
Orange
Orange White
Opaque
Orange
white*
1