Plateau Head Knob-type Selector Switch
A3US
Easy connector enables less assembly and less wiring
Approved Standard Ratings
Certification Authority |
UL *1 *2 |
CSA *1 *2 |
TÜV *3 |
Certification no. |
UL508 |
CSA C22.2 No. 14 |
EN60947-5-1 |
Rating |
30 VDC 0.1 A |
30 VDC 0.1 A |
12 30 VDC 0.1 A |
File no. |
E41515 |
2650068 |
J50236157 |
*1. Only Switch Blocks are recognized by UL/CSA. (Surrounding air Temperature: 55 °C)
*2. Please use the power supply specified in UL/CSA class 2.
*3. Use 4A 250V as short-circuit protective device when using under EN-compliant rating standard (IEC60127-2 SS1).
Ratings
Contacts
30 VDC, 0.1 A (Resistive load)
Minimum applicable load: 1 mA at 5 VDC
Rated values are obtained from tests conducted under the following conditions.
1. Load: Resistive load
2. Mounting conditions: No vibration and no shock
3. Temperature: 20 ± 2 °C
4. Operating frequency: 20 operations/min
Characteristics
Item |
Knob-type Selector Switch |
|
Allowable |
Mechanical |
30 operations/minute max. |
Electrical |
30 operations/minute max. |
|
Insulation resistance |
100 MΩ min. (at 500 VDC) |
|
Contact resistance |
250 mΩ max. (initial value) |
|
Dielectric |
Between terminals of same polarity |
500 VAC, 50/60 Hz for 1 minute |
Between each terminaland ground |
1,500 VAC, 50/60 Hz for 1 minute |
|
Vibration |
Malfunction |
10 to 55 Hz, 1.5-mm double amplitude (malfunction within 1 ms) |
Shock |
Malfunction |
300 m/s2 max. (malfunction within 1 ms) |
Durability |
Mechanical |
250,000 operations min. |
Electrical |
100,000 operations min. |
|
Connector holding force |
40 N max. |
|
Rated insulation voltage (Ui) |
30 V (EN60947-5-1) |
|
Electric shock protection class |
Class II |
|
Degree of contamination |
3 (EN60947-5-1) |
|
Impulse |
Between terminals of same polarity |
800 V (EN60947-5-1) |
Conditional short-circuit current |
100 A (EN60947-5-1) |
|
Conventional enclosed thermal current (Ithe) |
0.1 A (EN60947-5-1) |
|
Weight |
Approx. 30 g |
|
Degree of protection |
IP40, IP65 (Oil-proof type) |
|
Ambient operating temperature |
-20 °C to 70 °C (with no icing or condensation) |
|
Ambient operating humidity |
35 % to 85 % RH |
|
Ambient storage temperature |
-40 °C to 70 °C (with no icing or condensation) |
|
Ambient storage humidity |
35 % to 85 % RH |
Operating Characteristics
Features |
A3US |
Total travel force (TTF) max. |
0.34 Nm |
Resetting force (RF) max. |
0.34 Nm |
Total travel (TT) |
2 notches: Approx. 90 ° |