| Allicdata Part #: | Z6742-ND |
| Manufacturer Part#: |
A-20GV21-B |
| Price: | $ 13.10 |
| Product Category: | Switches |
| Manufacturer: | Omron Automation and Safety |
| Short Description: | SWITCH SNAP ACTION SPDT 20A 125V |
| More Detail: | N/A |
| DataSheet: |  A-20GV21-B Datasheet/PDF |
| Quantity: | 6 |
| 1 +: | $ 11.91330 |
| 10 +: | $ 9.24084 |
| 25 +: | $ 8.75420 |
| 50 +: | $ 8.26784 |
| 100 +: | $ 7.53837 |
| 250 +: | $ 7.05201 |
| 500 +: | $ 6.80885 |
| Ingress Protection: | IP00 |
| Mechanical Life: | 1,000,000 Cycles |
| Electrical Life: | 500,000 Cycles |
| Operating Position: | 0.748" (19.0mm) |
| Operating Temperature: | -25°C ~ 80°C |
| Overtravel: | 0.047" (1.2mm) |
| Differential Travel: | 0.047" (1.2mm) |
| Pretravel: | 0.256" (6.5mm) |
| Release Force: | 42gf |
| Operating Force: | 160gf |
| Features: | -- |
| Series: | A |
| Termination Style: | Screw Terminal |
| Mounting Type: | Chassis Mount |
| Actuator Type: | Lever, Straight |
| Voltage Rating - DC: | 30V |
| Voltage Rating - AC: | 125V |
| Current Rating: | 20A (AC), 6A (DC) |
| Switch Function: | On-Mom |
| Circuit: | SPDT |
| Part Status: | Active |
| Packaging: | Bulk |
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Snap action, limit switches are a type of electromechanical device used to detect the actual or potential presence of objects. They usually consist of two contact blocks housed within a switch housing, separated by a gap. When the object interacts with the switch, the contact blocks are displaced and the switch is triggered. The A-20GV21-B is a type of limit switch designed to detect objects, such as a doorbell or alarm, and to activate a signal or turn on a light.
A-20GV21-B Application Field
The A-20GV21-B can be used in a variety of applications where objects need to be detected, such as in doors or windows. It can be used in security systems, to detect possible intruders, or in automation systems, such as in automated doors or conveyor belts. It is also used in some printers and photocopiers, to detect the presence of paper or other objects.
A-20GV21-B Working Principle
The A-20GV21-B works by sensing the presence or potential presence of objects. When an object touches the contact blocks within the switch, the contact blocks are displaced and the switch is triggered. This triggers an electrical signal which is then sent to a controlling unit, such as a security system, a door opener, or a printer. The controlling unit then interprets the signal and performs an action, such as opening a door, sounding an alarm, or printing a document.
The A-20GV21-B is designed to be used in a variety of environments. It is rated to function in temperatures ranging from -20 to 200 degrees Celsius and is resistant to shocks and impacts. It is also waterproof, making it suitable for use in wet or humid conditions.
Conclusion
The A-20GV21-B is a type of limit switch used to detect the presence or potential presence of objects and trigger an electrical signal upon detection. It is designed to operate in a variety of temperatures and conditions and is resistant to shocks and impacts. The A-20GV21-B is a reliable and robust switch suitable for use in doors, windows, and other applications where objects need to be detected.
The specific data is subject to PDF, and the above content is for reference
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