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The Sentry 300 automatic gate opener is the first high quality, commercial grade, Do-it-Yourself gate opener.
Made in the USA and powered by a 12 vdc battery with two charging options the Sentry 300's battery can be charged by the included AC transformer or USAutomatic's recommended solar panel kit. The solar panel option allows for remote installations and qualifies for a 30% federal tax credit. The Sentry 300's energy efficient design makes it the first, truly solar charged gate opener that can provide weeks of operation with no sun.
The Sentry Plug-N-Go wiring harness eliminates the need for wiring and makes installation fast and simple, typically under 1 hour. Universal mounting brackets that allow for push-to-open or pull-to-open installation easily bolt onto most existing gates.
The linear actuator provides 400 lbs of thrust and has a compression rating of 1000 lbs. Open or close time is usually 16 seconds and will not vary dramatically with gate weight.
The Sentry 300 S is designed for installation on farm gates up to 20 feet in length, ornamental iron gates up to 12 feet in length and chain link gates up to 14 feet in length.
A full line of solar friendly accessories are available to allow you to customize your automated gate system to your needs.
The Sentry 300 S is covered by a 3 year limited warranty that repairs or replaces defective products. System includes all mounting hardware, two dual button transmitters, battery charger, AC transformer for battery charging, installation manual, full color installation/owners manual, control box with pre-installed components, and linear actuator. Recommended battery is a Sealed lead acid, group U1 battery not included in kit.
| Maximum Length / Weight | Farm Gates up to 20ft. 300lbs. |
| Maximum Length / Weight | Chain Link Gates up to 16ft. 350lbs. |
| Maximum Length / Weight | Ranch Gates up to 14ft. 400lbs. |
| Maximum Length / Weight | Ornamental Gates up to 12ft. 400lbs. |
| 2 Button Transmitter | Yes, 2 Included |
| DC Transformer | Yes |
| Battery Charger | Yes |
| 10 Watt Solar Panel Kit | Yes |
| Photo Eye Kit | Yes, 1 Set |
Yes, the Sentry 300 was designed to work on a wide variety of swing gate applications. The Sentry 300 effectively supports Ornamental Iron and Vinyl Gates up to 12 ft and 400 lbs., Chain Link Gates up to 14 ft and 300 lbs. and Farm and Ranch Gates up to 20 ft and 250 lbs.
Yes, the Sentry gate operator installation manual is packed with color photos and all the details needed. The universal mounting brackets allow installation without welding and the Plug N Go wiring harness eliminates all complicated wiring.
YES – the Sentry 300 is designed to operate a single swing gate or a dual swing gate.
Yes, everything needed to install the Sentry 300 including mounting hardware, AC charger, wiring harness, actuator and detailed instructions is included in the Sentry 300 package. Note: if “Push-to-Open” application, a mounting tube (Part # 610420) may be required.
Yes, the Sentry 300 automatic gate opener is the first reliable solar gate opener on the market. The gate system was designed to operate on a single 5-watt solar panel. See the solar region map for approximate number of cycles for the region in which you live.
The Sentry 300 automatic gate opener cycle time is about 16 seconds on a 90-degree opening. Compared to other products it is about 20% faster.
Additional help is available by calling the Sentry help center staffed by USAutomatic employees at 1-866-711-0001 or by emailing support@sentrygateopener.com.
NO – the Sentry gate openers or powered by a 12 V DC battery (not included), which can be charged with the optional solar panel kit allowing for installation any place your gate is located without needing electricity at the gate.
The answer is very dependent on the region of the country in which you live. Typically, no additional panels will be needed for most installations. The Sentry Solar Panel kit will provide up to 50 cycles a day depending on the region in which you live. USAutomatic Sentry 300 Solar Gate Opener qualifies for Federal Tax Credit.
The Sentry Gate Opener is designed to work with all Sentry accessories such as photo eyes for safety, exit sensors, keypads, wireless push to operate buttons, 7-day timers and solenoid locks. Any accessory added to system must be Solar friendly to help prevent premature battery failure. Solar friendly accessories are designed to operate on the minimal amount of energy.
