PrintA3C Pushbutton Switch (Lighted/Non-Lighted) (Cylindrical 12-dia.)
Pushbutton Switch Series with Cylindrical 20-mm × 12-dia. Body
- High-intensity uniform surface lighting.
- Round body enables easy hole making.
- Miniature size with excellent feeling of operation.
Datasheet
| Appearance | Model | ||
|---|---|---|---|
|
A3CJ | ||
|
A3CA | ||
|
A3CT |
Ordering as a Set
The model numbers used to order sets of Units are given in the following tables. One set comprises the Pushbutton, Lamp (lighted models only), and Switch.
Lighted Pushbutton Switches (SPST-NO+SPST-NC Solder Terminals)
|
Standard load | Microload | Pushbutton color symbol |
Minimum packing unit | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Momentary operation (Self-resetting) |
Alternate operation (Self-holding) |
Momentary operation (Self-resetting) |
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| Rectangular ( A3CJ) |
LED lamp | A3CJ-90A1-05E□ | A3CJ-90B1-05E□ | A3CJ-90E1-05E□ | R: red Y: yellow G: green W: white |
10 pcs | |||||
| A3CJ-90A1-12E□ | A3CJ-90B1-12E□ | A3CJ-90E1-12E□ | |||||||||
| A3CJ-90A1-24E□ | A3CJ-90B1-24E□ | A3CJ-90E1-24E□ | |||||||||
| Incandescent lamp |
A3CJ-90A1-06□ | --- | R: red Y: yellow G: green W: white A: blue B: black(See note 3.) |
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| A3CJ-90A1-14□ | |||||||||||
| A3CJ-90A1-28□ | |||||||||||
| Non-lighted | A3CJ-90A0-□ | A3CJ-90B0-□ | A3CJ-90E0-□ | ||||||||
| Square ( A3CA) |
LED lamp | A3CA-90A1-05E□ | A3CA-90B1-05E□ | A3CA-90E1-05E□ | R: red Y: yellow G: green W: white |
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| A3CA-90A1-12E□ | A3CA-90B1-12E□ | A3CA-90E1-12E□ | |||||||||
| A3CA-90A1-24E□ | A3CA-90B1-24E□ | A3CA-90E1-24E□ | |||||||||
| Incandescent lamp |
A3CA-90A1-06□ | --- | R: red Y: yellow G: green W: white A: blue B: black(See note 3.) |
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| A3CA-90A1-14□ | |||||||||||
| A3CA-90A1-28□ | |||||||||||
| Non-lighted | A3CA-90A0-□ | A3CA-90B0-□ | A3CA-90E0-□ | ||||||||
| Round ( A3CT) |
LED lamp | A3CT-90A1-05E□ | A3CT-90B1-05E□ | A3CT-90E1-05E□ | R: red Y: yellow G: green W: white |
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| A3CT-90A1-12E□ | A3CT-90B1-12E□ | A3CT-90E1-12E□ | |||||||||
| A3CT-90A1-24E□ | A3CT-90B1-24E□ | A3CT-90E1-24E□ | |||||||||
| Incandescent lamp |
A3CT-90A1-06□ | --- | R: red Y: yellow G: green W: white A: blue B: black(See note 3.) |
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| A3CT-90A1-14□ | |||||||||||
| A3CT-90A1-28□ | |||||||||||
| Non-lighted | A3CT-90A0-□ | A3CT-90B0-□ | A3CT-90E0-□ | ||||||||
| Note: | 1. |
Enter the desired color symbol for the Pushbutton in the □ at the end of the model number. |
| 2. | There are also alternate-operation models that can be used for microloads. | |
| 3. | Black (“B”) Pushbuttons are only available for non-lighted models. |
Illumination-only and Colored-illumination LED Models
"Illumination only" describes LED models for which the screen color is the same whether the LED is lit or not.
Example: Red LED
"Colored illumination" describes LED models for which the screen color is white when the LED is not lit and changes to the color of the LED lamp when the LED is lit.
Example: Red LED
Ordering: With colored-illumination models, order the Pushbutton, Lamp, and Switch as shown in the following table.
| Illuminated color | Pushbutton | Lamp (LED) | Switch | |
|---|---|---|---|---|
| Red | IP40 A3C□-500W Enter one of the following symbols in □. J: Rectangular A: Square T: Round |
A16-□DR | Enter one of the following symbols in □. 5: 5 VDC 12: 12 VDC 24: 24 VDC |
Refer to page 6. Make the selection according to the shape of the Pushbutton. |
| Yellow | A16-□DY | |||
| Green | A16-□DG | |||
Ordering Individually
Pushbuttons, Lamps, and Switches can be ordered separately. Combinations that are not available as sets can be created using individual Units. Also, store the parts as spares for maintenance and repairs.
Ordering: Specify a model number from the following page.
| Pushbuttons LED Lamp |
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| Non-lighted Models | ||||||||||||||||||||||||||||||||
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Incandescent Lamp
| Button color |
|||
|---|---|---|---|
| Red | A3CJ-500R | A3CA-500R | A3CT-500R |
| Yellow | A3CJ-500Y | A3CA-500Y | A3CT-500Y |
| Green | A3CJ-500G | A3CA-500G | A3CT-500G |
| White | A3CJ-500W | A3CA-500W | A3CT-500W |
| Blue | A3CJ-500A | A3CA-500A | A3CT-500A |
| Minimum packing unit |
50 pcs
|
||
Lamps
LED Lamp
| Color | Rated voltage | ||
|---|---|---|---|
| 5 VDC | 12 VDC | 24 VDC | |
| Red | A16-5DR | A16-12DR | A16-24DR |
| Yellow | A16-5DY | A16-12DY | A16-24DY |
| Green | A16-5DG | A16-12DG | A16-24DG |
| White | A16-5DW | A16-12DW | A16-24DW |
| Minimum packing unit |
100 pcs
|
||
Incandescent Lamp
| Rated voltage | 6 VAC/VDC | 14 VAC/VDC | 28 VAC/VDC |
|---|---|---|---|
| Model | A16-5 | A16-12 | A16-24 |
| Minimum packing unit |
100 pcs
|
||
Switches
| Configuration | Contact | Switch action | Terminal | Degree of protection: IP40 | ||
|---|---|---|---|---|---|---|
| Standard | SPST-NO+ SPST NC |
Momentary | Solder | A3CJ-7011 | A3CA-7011 | A3CT-7011 |
| Alternate | A3CJ-7021 | A3CA-7021 | A3CT-7021 | |||
| Microload | Momentary | A3CJ-7111 | A3CA-7111 | A3CT-7111 | ||
| Alternate | A3CJ-7121 | A3CA-7121 | A3CT-7121 | |||
| Minimum packing unit |
10 pcs
|
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LED Lamp Ratings
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Characteristics
| Operating frequency | Mechanical: Momentary-action models: 120 operations/minute max. Alternate-action models: 60 operations/minute max. (See note 1.) Electrical: 20 operations/minute max. |
|---|---|
| Contact resistance (initial value) | Standard load 50mΩ max. Microload 100mΩ max. |
| Insulation resistance | 100 MΩ min. (at 500 VDC with insulation tester) |
| Dielectric strength | 1,000 VAC, 50/60 Hz for 1 minute between terminals of same polarity and between lamp terminals (See note 2.) 2,000 VAC, 50/60 Hz for 1 minute between terminals of different polarity and also between each terminal and ground |
| Vibration resistance | Malfunction: 10 to 55 Hz, 1.5-mm double amplitude (No malfunctions for more than 1 s.) |
| Shock resistance | Destruction: 500 m/s2 max. Malfunction: 150 m/s2 max. *3 |
| Durability | Mechanical: Momentary-action models: 1,000,000 operations min. Alternate-action models: 100,000 operations min. (See note 1.) Electrical: 100,000 operations min. |
| Weight | Approx. 5 g (See note 3.) |
| Ambient operating temperature | −10°C to 55°C (with no icing or condensation) |
| Ambient operating humidity | 35% to 85% |
| Ambient storage temperature | –25°C to 65°C |
| Degree of protection | IEC IP40 |
| Electric shock protection class | Class II |
| PTI (proof tracking index) | 175 |
| Pollution degree | 3 (IEC947-5-1) |
| Note: | 1. |
With alternate-operation models, one operation cycle consists of set and reset operations. |
| 2. | The figure given above for the dielectric strength between lamp terminals is for when there is no LED lamp or incandescent lamp mounted. | |
| 3. | The weight indicated here applies to the lighted models (SPST-NO+SPST-NC). |
| OF max. | 2.45 N |
|---|---|
| RF min. | 0.29 N |
| TT | Approx. 3.5 mm |
| LTA min. (See note.) |
0.5 mm |
| PT max. | 2.5 mm |
| Note: |
The value for LTA min. applies to alternate-operation models only. |
(Unit: mm)
| Rectangular Models A3CJ |
| Square Models A3CJ |
| Round Models A3CJ |
Panel Cutout (Top View)
| Accessories used | Rectangular/A3CJ | Square/A3CA, Round/A3CT |
|---|---|---|
| Switch only | ||
| With Switch Guard | ||
| With Dust Cover | --- |
| Note: |
If the panel is to be finished (e.g., coated), make sure that the panel meets the specified dimensions after the coating. |
| Terminal | Type |
|---|---|
| SPST-NO+SPST-NC | |
| Solder terminal |
Correct Use
●Mounting
·To prevent electric shock or a fire, always make sure that the power is turned OFF before mounting, removing, or wiring the Switch, or performing maintenance.
·Do not tighten the mounting ring excessively using pliers or a similar tool. Excessive tightening may damage the mounting ring. (Tighten- ing torque: 0.20 to 0.39 N·m)
●Wiring
·When wiring, use wires of a size appropriate for the applied voltage and carry current. Perform soldering correctly under the conditions given below. Using the Switch with the wires soldered incorrectly may cause the terminals to become abnormally hot and cause a fire.
①Hand soldering: At 30 W within 5 seconds.
②Dip soldering: At 240℃ within 3 seconds.
·Wait for one minute after soldering before exerting any external force on the solder.
·Use a non-corrosive rosin liquid for the flux.
·Perform wiring so that the wire sheaths do not come into contact with the Switch. If this is unavoidable, use wires that can withstand temperatures of 100℃ min. ·After wiring to the Switch has been completed, ensure an appropri- ate insulation distance.
●Operating Environment
Do not use in locations that are subject to dust, oil, or metal filings as these may penetrate the interior of the Switch and cause malfunc- tion.
●Using Microloads
sing a standard load switch for opening and closing a microload circuit may cause wear on the contacts. Use the switch within the operating range. (Refer to the diagram below.) Even when using mi- croload models within the operating range shown below, if inrush current occurs when the contact is opened or closed, it may cause the contact surface to become rough, and so decrease life expec- tancy. Therefore, insert a contact protection circuit where neces- sary. The minimum applicable load is the N-level reference value. This value indicates the malfunction reference level for the reliability level of 60% (λ 60) (conforming to JIS C5003). The equation, λ 60 = 0.5 x 104/times indicates that the estimated malfunction rate is less than 1/2,000,000 with a reliability level of 60%.
●LED
Resistance to limit the LED current is provided internally and so an external resistance is not required.
