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Push button switch incorporating a very small, high-performance micro-switch.
[Features]
· Push button part available in an abundant range of colors/options.
· Micro-switch functionality provides high reliability.
[Applications]
· The push-button format has been instantly recognizable for many years, used in testing and verification instruments, etc. in a wide range of fields.
A2A appearance
A2A dimensional diagram
Unit: mm
Note 1. The push button is a plug-in type.
Note 2. Of the dimensions described above, unless otherwise specified, dimensional tolerance for components is ±0.8 mm.
A2A panel cutting dimension
Unit: mm
Note. Please set sheet thickness for installation panel from 1 to 4 mm.
Note. aesthetic nut, lock washer, and push button components are shipped attached to the main body of the switch.
Solder terminal, 1c contact, momentary action.
Rated | 125 V AC 5 A (resistance load) 250 V AC 3 A (resistance load) | |
---|---|---|
Inrush Current | NC side max. 20 A, NO side max. 10 A | |
Contact Resistance | 50 mΩ or less (initial value) | |
Withstand Voltage | Between Same Pole Terminals | 1,000 V AC 50/60 Hz 1 min. |
Between Charging Metal And Ground, Between Each Terminal And Non-Charging Metal | 1,500 V AC 50/60 Hz 1 min. | |
Durability | Mechanical | 200,000 times or more |
Electrical | 200,000 times or more | |
Ambient Operating Temperature | -25 to +80°C (with no icing and no condensation) | |
Operating Ambient Humidity | 45 to 85% RH | |
Protective Structure | IP00 | |
Class Of Electric Shock Protection | Class II | |
PTI (Tracking Properties) | 175 | |
Degree Of Pollution | 3 (IEC947-5-1) |
Note. The rated values were tested under the conditions below.
(1) Ambient temperature: 20 ±2°C
(2) Ambient humidity 65 ±5% RH
(3) Operating frequency: 20 times/min.
Operating properties | Type A2A | ||
---|---|---|---|
Force Required For Operation | OF | Max. | 1.47 N |
Return Force | RF | Min. | 0.10 N |
Movement Through Actuation | PT | Max. | 0.8 mm |
Overall Action | TT | Max. | 1.4 mm |
Internal switch used is model D2S-5.
Name | Contact Type |
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Double-throw (c contact) | ![]() |
Part Number |
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A2A-4R |
Part Number | Price | Name | Minimum Order Qty. | Volume Discount | Days to Ship | RoHS | Color of Operating Unit |
---|---|---|---|---|---|---|---|
฿ 128.00 ฿ 92.51 | PUSH-BUTTON SWITCH | 1 Piece(s) | Same day | - | Red |
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Mounting Hole | φ10.5 | Operating part shape | Round | Type | Non-illumination type push-button |
---|---|---|---|---|---|
Operating function | Momentary | Contact Configuration | 1c | Terminal shape | Soldering Terminal |
Guard included | NA | Panel depth dimensions(mm) | 20.4 | Protection function | NA |
Operating part dimensions - horizontal(mm) | 13 | Operating part dimensions - vertical(mm) | 13 | Switch rating, AC resistance load 1 | AC125V/5A |
Switch rating, AC resistance load 2 | AC250V/3A |
Please check the type/dimensions/specifications of the part A2A-4R in the Ultra-Small Size Push Button Switch (Round Body Shape φ10.5) A2A series.
Part Number |
---|
A2A-4A |
A2A-4B |
A2A-4G |
A2A-4W |
A2A-4Y |
Part Number | Price | Minimum Order Qty | Volume Discount | Days to Ship | RoHS | Color of Operating Unit |
---|---|---|---|---|---|---|
฿ 93.00 | 1 Piece(s) | Same day | - | Blue | ||
฿ 83.63 | 1 Piece(s) | Same day | - | Black | ||
฿ 91.35 | 1 Piece(s) | Same day | - | Green | ||
฿ 93.00 | 1 Piece(s) | Same day | - | White | ||
฿ 135.00 | 1 Piece(s) | Same day | 10 | Yellow |
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