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Selector Switches
A22NS/A22NW
22-mm Selector 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.
• 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
• Meets global safety standards.
• Available in metal and 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 in the A22NN/
A22NL datasheet
Operation Unit Colors
Non-lighted
A22NS-
Switches
Opaque
Lighted
A22NW-
Switches
Transparent
* The colors when the Switches are lit are for transparent white Operation Units (code: TW) and yellow LED Lamps (code: Y).
Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com
Red
-N
Red
When not
lit
-T
Red
When lit
Green
Yellow
White
Green
Yellow
White
Green
Yellow
White
Blue
Black
Blue
Orange
White
Opaque
Blue
Orange
white*
1
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Summary of Contents for Omron A22NS
- Page 1 Selector Switches A22NS/A22NW 22-mm Selector 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. • Screw terminal structure is compatible with round crimp terminals.
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Page 2: List Of Models
A22NS/A22NW List of Models Plastic Switches Non-lighted Lighted Two Positions Two Positions Three Positions Three Positions Brushed Metal Switches Non-lighted Lighted Two Positions Two Positions Three Positions Three Positions Metal Switches Non-lighted Lighted Two Positions Two Positions Three Positions Three Positions Note: Not all assembled configurations are possible. - Page 3 A22NS/A22NW Model Number Structure Model Number Legend - Shipped as a set that includes the Operation Unit, LED Lamp, Mounting Collar, and Contact Block. For information on combinations, refer to Ordering Information on pages 6 to 8. Model Numbers for Sets...
- Page 4 A22NS/A22NW Structure Operation Angle Contact Configuration Table Two Positions Two Positons Three Positons Switch 90° Position No. of Contact 45° 45° Code Contacts outputs configuration position SPST-NO SPST-NC SPST-NO/ SPST-NC DPST-NO DPST-NC 3PST-NO 3PST-NC SPST-NO/ DPST-NC DPST-NO/ SPST-NC Three Positions...
- Page 5 A22NS/A22NW Operation Angle Switch Position No. of Contact Code Contacts outputs configuration position Three Positions SPST-NO/ 45° 45° SPST-NC SPST-NO/ SPST-NC SPST-NO/ SPST-NC SPST-NO/ SPST-NC SPST-NO/ SPST-NC SPST-NO/ SPST-NC 3PST-NO 3PST-NC SPST-NO/ DPST-NC SPST-NO/ DPST-NC SPST-NO/ DPST-NC DPST-NO/ SPST-NC DPST-NO/...
- Page 6 A22NS/A22NW Ordering Information Model Numbers for Sets - - - -Shipped as a set that includes the Operation Unit, LED Lamp, Mounting Collar, and Contact Block. Non-lighted, Two-positon, Selector Switches (4)(4) (7)(7)(7) Bezel No. of Appearance Model Operation Unit Contact...
- Page 7 A22NS/A22NW Non-lighted, Three-positon, Selector Switches (4)(4) (7)(7)(7) Bezel No. of Appearance Model Operation Unit Contact material outputs Reset method color configuration Plastic bezels A22NS-3B(3)-(4)(4)A-G(7)(7)(7)-NN Brushed metal bezels NR: Opaque red NG: Opaque green NY: Opaque yellow NW: Opaque white A22NS-3(3)-(4)(4)A-G(7)(7)(7)-NN...
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Page 8: Ordering Information
A22NS/A22NW Ordering Information Model Numbers for Sets - - - -Shipped as a set that includes the Operation Unit, LED Lamp, Mounting Collar, and Contact Block. Lighted, Two-positon, Selector Switches (7)(7)(7) Bezel No. of (4)(4) Appearance Model Reset Contact LED Lamp... - Page 9 A22NS/A22NW Ordering Information Subassemblies - - - - - You can order Operation Units, LED Lamps, Mounting Collars, and Contact Blocks individually. Use them in combination for models that are not available as assembled Switches. They can also be used as inventory for maintenance parts.
- Page 10 A22NS/A22NW Model Number Structure Model Number Legend Model Numbers for Subassemblies A 2 2 N Z - 2 B M - N R A (1) Type (4) Operation Unit Transparency and Color Code Type Subassembly Lighted/ Opera- Code Code LED Lamp...
- Page 11 A22NS/A22NW Ordering Information Subassemblies - - - - - - You can order Operation Units, LED Lamps, Mounting Collars, and Contact Blocks individually. Use them in combination for models that are not available as assembled Switches. They can also be used as inventory for maintenance parts.
- Page 12 A22NS/A22NW Ordering Information Subassemblies - - - - -You can order Operation Units, LED Lamps, Mounting Collars, and Contact Blocks individually. Use them in combination for models that are not available as assembled Switches. They can also be used as inventory for maintenance parts.
- Page 13 A22NS/A22NW A22NS/A22NW Ordering Information Subassemblies - - - You can order Operation Units, LED Lamps, Mounting Collars, and Contact Blocks individually. Use them in combination for models that are not available as assembled Switches. They can also be used as inventory for maintenance parts.
- Page 14 A22NS/A22NW Specifications Characteristics Type Selector Switches Item Non-lighted models Lighted models Mechanical 30 operations/minute max. Allowable operating frequency Electrical 30 operations/minute max. Insulation resistance 100 MΩ min. (at 500 VDC) Contact resistance 100 mΩ max. (initial value) Between terminals of same polarity 2,500 VAC at 50/60 Hz for 1 min...
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Page 15: Safety Precautions
A22NS/A22NW Dimensions (Unit: mm) Lighted and Non-lighted Selection Switches Two-position Switches with Plastic Bezels Three-position Switches with Plastic Bezels R29.5 A22N@-2B@ A22N@-3B@ Two positions 28.8 dia. 43.5 28.8 dia. 43.5 24.2 45.3 Three-position Switches with Brushed Metal Bezels Two-position Switches with Brushed Metal Bezels... - Page 16 A22NS/A22NW Safety Precautions Refer to Safety Precautions for All Pushbutton Switches/Indicators. Precautions for Safe Use Precautions for Correct Use • Never perform wiring work on a Switch while power is being Mounting supplied. Never touch terminals and other charged parts while •...
- Page 17 A22NS/A22NW Application Mounting to the Panel Panel Hole Dimensions Dimension B • Panel hole dimensions are given below. Operation Unit shape Dimension B • The recommended panel thicknesses are given below. Mushroom 40 mm min. Other than the above 30 mm min.
- Page 18 A22NS/A22NW Removing the Mounting Collar Removing the Contact Block • Press the lock lever in from the back side to release the lock, and • Insert a screwdriver into the gap between the Mounting Collar and then hook the Mounting Collar with a screwdriver, move it in the Contact Block and press it inward in the direction shown at (2).
- Page 19 A22NS/A22NW Attaching Character Films Removing and Tightening the Cap • To attach a character film, remove the Button and attach the film, For all Switches except for Mushroom Switches, use the A22Z-3908 aligning it with the straight portions of the Legend Plate.
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Page 20: Control Box
A22NS/A22NW Control Box Attaching the Lock Ring You can attach a Legend Plate Frame. Attach the Lock Ring as shown in the following figure. Attach it in the direction shown in the following figure. To ensure water resistance, attach the rubber washer in the specified Mount the Switch in the same way as for a standard panel.
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