Sentry 300 050510 Push-To-Operate Wireless Button Overview
The Sentry 300 050510 is a wireless push-to-operate transmitter for compatible Sentry and USAutomatic wireless receiver systems. It gives an authorized user a simple press-pad control point without having to carry a visor remote or remember a keypad code. The Sentry manual describes it as an outdoor wireless installation device with programming similar to transmitter programming.
This button sends a command to a compatible receiver; it does not directly power the operator or replace control-board wiring. It should be used where a momentary wireless open/close command is appropriate. For hardwired push buttons, emergency controls, or access-control systems, a different device may be required.
Compatible With
Use this wireless push button with compatible USAutomatic/Sentry wireless receivers using the correct frequency and coding format.
- Sentry 300 swing gate opener systems with compatible wireless receiver
- Sentry 300S and Sentry 300D open/close command applications
- Select USAutomatic wireless receiver systems using the matching 433.92 MHz platform
- Outdoor push-to-operate access points where a code keypad is not required
- Garage or gate receiver applications when a compatible receiver is installed and programmed
- Not a hardwired push button, safety device, emergency stop, or universal access-control relay
Features and Specifications
| Manufacturer | USAutomatic / Sentry |
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| Product Type | Wireless push-to-operate button |
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| Part Number | 050510 |
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| Frequency | 433.92 MHz receiver family, verify system |
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| Operation | Pressure-sensitive pad sends wireless command |
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| Application | Wireless open/close or command input through compatible receiver |
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| Power | Battery powered wireless transmitter |
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| Installation | Outdoor mounting when installed according to instructions |
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| Notes | Programming is similar to transmitter programming on compatible systems |
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Also Known As / Related Part Numbers
- 050510
- 50510
- US-050510
- Sentry 050510
- Sentry 300 050510
- USAutomatic 050510
- US Automatic 050510
- push to operate wireless button
- Sentry wireless push button
- Sentry PTO button
- wireless gate push button
Technician Note
If the button has short range or intermittent operation, check the battery, mounting surface, receiver antenna, and radio interference. Mounting directly to metal can reduce range.
Before Ordering Checklist
- Confirm the receiver is compatible with USAutomatic/Sentry wireless accessories.
- Decide whether a wireless button or hardwired push button is required.
- Check mounting location, weather exposure, and user access control needs.
- Test the receiver with a known working transmitter before replacing the button.
- Do not use this device as an emergency stop or safety sensor.
Professional Advisory
Install the push button only where authorized users can access it and where gate movement is visible or otherwise safely controlled. Keep all safety devices active.
Product Questions
What does the 050510 wireless button do?
It sends a wireless command to a compatible receiver, allowing a gate or receiver-controlled device to operate when the pad is pressed.
Is the 050510 the same as a wireless keypad?
No. The 050510 is a simple push-to-operate button. A keypad requires a code before sending the command.
Can this button be used outdoors?
It is designed for outdoor wireless installation when mounted according to the manufacturer instructions and protected from abuse or standing water.
Will it work without a receiver?
No. The button must communicate with a compatible USAutomatic/Sentry wireless receiver.
Can it be used as a safety device?
No. It is a command transmitter, not a photo eye, edge sensor, emergency stop, or entrapment protection device.
