Key-type Selector Switches A22NK Keyed 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. 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. All models are keyed alike. Standard-feature degree of protection: IP66 and NEMA 13. Refer to Safety Precautions for All Pushbutton Switch- es/Indicators and Safety Precautions in the A22NN/ A22NL datasheet 1A22NK Model Number Structure Model Number Legend - - - - - -Shipped as a set that includes the Operation Unit, Mounting Collar, and Contact Block. For information on combinations, refer to Ordering Information on pages 5 to 6. Model Numbers for Sets (1) (2) (3) (4) (5) (6) (7) (8) A22N K - 2B M - 01 A A - G 100 (1) Type (4) Key Number (7) Contact Specification Code Type Code No. Code Description K Key-type Selector Switch 01 No.1 G General purpose (2) Number of Positions and (5) Key Release Position (8) Contact Configuration Bezel Material Contact Switch Release Two Three Two Three Code Blocks Position position positions positions Code posi- posi- No. of Code Bezel material tions tions positions 2 NO NC 1 3 All 2B 2 Plastic A 100 1 0 NO --- --- Yes --- positions 2M 2 Brushed metal 002 0 1 --- --- NC Yes --- 2R 2 Metal 101 2 0 NO --- NO Yes Yes BLeft 3B 3 Plastic 102 1 1 NO --- NC Yes Yes 3M 3 Brushed metal 201 1 1 NC --- NO --- Yes 3R 3 Metal D Center --- 202 0 2 NC --- NC Yes Yes 110 2 0 NO NO --- --- Yes (3) Reset Method 112 2 1 NO NO NC Yes Yes Left and G --- right Code Reset method 210 1 1 NC NO --- --- Yes Two- 011 2 0 --- NO NO --- Yes : Release position positions 012 1 1 --- NO NC --- Yes : Locked position manual M Manual 120 1 1 NO NC --- --- Yes Three- positions NC 220 0 2 NC --- --- Yes manual (6) Degree of Protection 021 1 1 --- NC NO --- Yes Two- positions Code Protection 022 0 2 --- NC NC --- Yes Automatic automatic A IP66, NEMA13 L reset on Three- left Note: 1. NO (blue): Normally open, NC (orange): positions left Normally closed. automatic 2. Refer to the following figure for Unit Automatic Three- positions. reset on positions left B left and or right right automatic Operation Angle Two Positions Three Positions 0 90 45 45 2 1 2 1 Note: Not all assembled configurations are possible. Please refer to the subassemblies section for additional options. Please refer to the specifications section for examples of linked contact block options. Specifications: Refer to page 10 and refer to the A22NN/A22NL. Precautions for correct use: Refer to the A22NN/A22NL. Dimensions: Refer to page 11. 2