Post-mount Swing Gate Automation for quiet, controlled entry The HySecurity Vanguard 3501 Swing Gate Operator Kit is a low-profile, post-mount swing solution built for residential and light commercial perimeter entries where you want the focus on the gate, not the operator. It uses an electromechanical articulated arm and the Mercury 310 control platform to deliver smooth, near-noiseless motion while supporting monitored safety devices through Nice BlueBUS, helping meet modern UL 325 entrapment protection requirements for compliant installations. Key Features Moves large swing leaves up to 20 ft and 1,000 lb per leaf Post-mount, low-profile design for compact installs that keep the operator visually discreet Quiet, low-friction operation designed for smooth, reduced-noise cycling Offset pivot arm design that reduces pinch-point exposure compared to conventional arm geometry Nice BlueBUS 2-wire monitored safety support that self-identifies compatible monitored photo eyes Flexible power options for AC-powered or solar-powered system designs (solar requires a battery and 12V solar panel, not included) Made in the USA with globally sourced materials Technical Specifications Operator Type: Electromechanical, motor-driven articulated arm Max Gate Leaf Length: Up to 20 ft (6 m) Max Gate Leaf Weight: Up to 1,000 lb (272 kg) Open/Close Time (to 90°): Approximately 25 seconds (spec sheet) Operating Voltage: 12VDC Input Voltage: 18VDC to 24VDC Idle Current: