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Industrial Automation
Discontinued On Mar. 2023
A3S (Super Luminosity Type)
Lighted Pushbutton Switch (Square) Ultra Bright LED Type
Pushbutton Switch Series with Square 40-mm Body. New models added with Ultra LEDs.
* Information in this page is a reference that you created on the basis of information in the product catalog before the end of production, may be different from the current situation, such as goods for / supported standards options / price / features of the product. Before using, please check the compatibility and safety system.
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last update: October 15, 2013
Approved Standard Ratings
UL (File No. E41515), CSA (File No. LR45258)
Standard Load:
3 A at 125 VAC
2 A at 250 VAC
Microload:
0.1 A at 125 VAC
0.1 A at 30 VDC
Note: Certification has been obtained for the Switch Unit.
For detailed information on individual products that have received certification, consult your supplier.
3 A at 125 VAC
2 A at 250 VAC
Microload:
0.1 A at 125 VAC
0.1 A at 30 VDC
Note: Certification has been obtained for the Switch Unit.
For detailed information on individual products that have received certification, consult your supplier.
Ratings
For Standard Loads
| Rated voltage | Non-inductive load (A) | Inductive load (A) | ||||||
|---|---|---|---|---|---|---|---|---|
| Resistive load | Lamp load | Inductive load | Motor load | |||||
| NC | NO | NC | NO | NC | NO | NC | NO | |
| 125 VAC
250 VAC |
3
2 |
1
0.7 |
0.7
0.5 |
2
1.5 |
1.5
1 |
1
0.7 |
||
| 8 VDC
14 VDC 30 VDC 125 VDC 250 VDC |
3
3 2 0.4 0.2 |
1
1 1 0.05 0.03 |
2
1.5 1.5 0.4 0.2 |
1.5
1.5 1 0.05 0.03 |
||||
Note: 1. The above values are for steady-state currents.
2. Inductive load: Power factor = 0.4; time constant = 7 ms.
3. The lamp load has an inrush current of 10 times the steady-state current.
4. The motor load has an inrush current of 6 times the steady-state current.
The rated values are for testing conducted under the following conditions.
(1) Ambient temperature: 20±2°C
(2) Ambient humidity: 65% ±5%RH
(3) Operating frequency: 20 times/min
2. Inductive load: Power factor = 0.4; time constant = 7 ms.
3. The lamp load has an inrush current of 10 times the steady-state current.
4. The motor load has an inrush current of 6 times the steady-state current.
The rated values are for testing conducted under the following conditions.
(1) Ambient temperature: 20±2°C
(2) Ambient humidity: 65% ±5%RH
(3) Operating frequency: 20 times/min
For Microloads
| Rating | 0.1 A at 30 VDC (resistive load);
0.1 A at 125 VAC (resistive load) |
|---|---|
| Minimum applicable load | 1 mA at 5 VDC |
LED Lamp
| Applied voltage | Rated voltage | Rated current |
|---|---|---|
| 5 VDC±5% | 5 VDC | 8 mA |
| 12 VAC/VDC±5% | 12 VAC/VDC | |
| 24 VAC/VDC±5% | 24 VAC/VDC |
Characteristics
| Operating
frequency |
Mechanical | Momentary operation models: 120 operations/min max. *1 |
|---|---|---|
| Electrical | 20 operations/min max. | |
| Insulation resistance | 100 MΩ min. (at 500 VDC) | |
| Contact
resistance |
Standard load | 50 mΩ max. (initial value) |
| Microload | 50 mΩ max. (initial value) | |
| Dielectric
strength |
Between terminals of same polarity | 1,000 VAC, 50/60 Hz for 1 minute |
| Between terminals of different polarity | 2,000 VAC, 50/60 Hz for 1 minute | |
| Between current-carrying metal part
and ground |
2,000 VAC, 50/60 Hz for 1 minute | |
| Between each terminal and non-
current-carrying metal part |
2,000 VAC, 50/60 Hz for 1 minute | |
| Between lamp terminals | 1,000 VAC, 50/60 Hz for 1 minute *2 | |
| Vibration
resistance |
Malfunction | 10 to 55 Hz, 1.5-mm double amplitude *3 |
| Shock
resistance |
Destruction | 500 m/s2 max. |
| Malfunction | 200 m/s2 max. *3 | |
| Life
expectancy |
Mechanical | Momentary operation models: 1,000,000 operations min.
Alternate operation models: 100,000 operations min. (One operation consists of set and reset operations.) |
| Electrical | 100,000 operations min. (rated load) | |
| Weight | Approx. 10 g | |
| Inrush
current |
NC | Standard load: 10 A max. |
| NO | Standard load: 10 A max. | |
| Ambient operating temperature | -10 to 50°C (with no icing or condensation) | |
| Ambient operating humidity | 35% to 85% RH | |
| Ambient storage temperature | -25 to 65°C (with no icing or condensation) | |
| Degree of protection | IP00 | |
| Electric shock protection class | Class II | |
| PTI (proof tracking index) | 175 | |
| Pollution degree | 3 (IEC 60947-5-1) | |
*1. With alternate operation models, 60 operations/min max. One operation cycle consists of set and reset operations.
*2. With no incandescent lamp or LED lamp mounted.
*3. Malfunction : 1 ms max.
Operating Characteristics
| Operation | Momentary operation models | Alternate operation models | |
|---|---|---|---|
| Operating characteristics | |||
| Operating force | OF max. | 3.92 N | 4.90 N |
| Releasing force | RF min. | 0.49 N | 0.294 N |
| Total travel | TT | Approx. 3 mm | Approx. 3 mm |
| Pretravel | PT max. | 2.2 mm | 2.2 mm |
| Lock travel alternate | LTA min. | - | 0.5 mm |
Contact Form
| Name | Contact Form |
|---|---|
| Double-throw contacts |
 |
last update: October 15, 2013
Product Category
- Switches
-
Push Buttons / Indicator Lamps
-
Discontinued
- A3S (Super Luminosity Type)
-
Discontinued
-
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