Key-type Selector Switches
A22NK
22-mm dia. Key-type Selector Switches. Control panel miniaturization through a more compact design and modified wiring direction. Addition of Push-In Plus terminal blocks for easy wiring.
Certified Safety Standard Ratings
UL 508 (File No. E76675), CSA C22.2 No.14
6 A 240 VAC, 10 A 120 VAC
TÜV (EN60947-5-1)
AC-15 3 A 240 VAC
DC-13 4 A 24 VDC
CCC (GB/T14048.5)
AC-15 3 A 240 VAC
DC-13 4 A 24 VDC
Application Standards
UL1059 and UL486E (Push-In Plus terminal block type)
Ratings
Contacts (Standard Load)
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Rated insulation voltage |
600 V |
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Rated carry current |
10 A |
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Rated voltage |
24 V |
120 V |
240 V |
380 V |
440 V |
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AC at 50/60 Hz |
Resistive load (AC-12) |
10 A |
10 A |
6 A |
2A |
2 A |
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Inductive load (AC-15) |
10 A |
6 A |
3 A |
1.9 A |
1.6 A |
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DC |
Resistive load (DC-12) |
8 A |
2.2 A |
1.1 A |
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Inductive load (DC-13) |
4 A |
1.1 A |
0.55 A |
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Note: 1. The above ratings were obtained by conducting tests under the following conditions.
(1) Ambient temperature: 20 ±2°C
(2) Ambient humidity: 65% ±5% RH
(3) Operating frequency: 30 operations/minute
2. Minimum applicable load: 10 mA at 5 VDC.
Characteristics
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Item |
Key-type Selector Switches |
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Allowable operating |
Mechanical |
30 operations/minute max. |
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Electrical |
30 operations/minute max. |
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Insulation resistance |
100 MΩ min. (at 500 VDC) |
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Contact resistance |
100 mΩ max. (initial value) |
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Dielectric strength |
Between terminals |
2,500 VAC at 50/60 Hz for 1 min. (initial value) |
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Between each |
2,500 VAC at 50/60 Hz for 1 min. (initial value) |
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Vibration resistance |
Malfunction |
10 to 55 Hz, 1.5-mm double amplitude (malfunction within 1 ms) |
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Shock resistance |
Malfunction |
1,000 m/s2 max. (malfunction within 1 ms) |
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Durability |
Mechanical |
500,000 operations min. (Switches with 3 positions: 300,000 operations min.) |
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Electrical |
500,000 operations min. (Switches with 3 positions: 300,000 operations min.) |
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Ambient operating temperature*1 |
-25 to 70°C |
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Ambient operating humidity |
35% to 85% RH |
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Ambient storage temperature*1 |
-40 to 80°C |
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Degree of protection*2 |
Conforming to IP66, NEMA13 |
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Electric shock protection class |
Class II |
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PTI (tracking characteristic) |
175 |
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Degree of contamination |
3 (EN 60947-5-1) |
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Weight |
Approx. 65 g (for 1NC/1NO) |
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*1. With no icing or condensation.
*2. Degree of protection from the front of the panel.
Operating Characteristics (for SPST-NO/SPST-NC)
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Item |
Key-type Selector Switches |
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Manual reset |
Automatic reset |
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Total travel force (torque) (maximum TTF) |
0.6 N·m |
0.6 N·m |
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Total travel (TT) |
2 positions: Approx. 90°, 3 positions: Approx. 45° |
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Resetting force (torque) (RF) |
0.5 N·m max. |
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Examples of Linked Contact Blocks (Screw terminal block type)
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Key-type Selector Switches |
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2 positions |
3 positions |
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Linking example |
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Note: If you increase the number of Contact Blocks, evaluate the Switch under actual working conditions before permanent installation and use the Switch within a number of switching operations that will not adversely affect the Switch’s performance.