R1224S-28 Voltage Regulator, 28V

The **R1224S‑28 Voltage Regulator** is a **solid‑state alternator voltage regulator** manufactured by **Plane Power** for 28‑volt aircraft electrical systems. It provides reliable voltage regulation and robust electrical protection, replacing legacy mechanical regulators with a modern, FAA‑PMA approved solid‑state design. Configured with an **8‑hole mounting pattern**, the R1224S‑28 is suitable for a broad range of certified general aviation electrical systems requiring dependable alternator regulation and protection. --- ## Applications - Voltage regulation for **28‑volt aircraft electrical systems** - Designed for use with **solid‑state and legacy alternator installations** - Suitable for certified general aviation aircraft requiring dependable voltage control --- ## Why CJ Aerospace? CJ Aerospace supplies trusted aviation electrical and alternator system components. We offer fast local delivery, expert technical support, and industry‑proven products that keep operations moving. - 🇦🇺 **Australian‑owned & operated** - 📦 **Stocked locally in Australia for fast dispatch** - 🔍 **Specialist knowledge of aircraft electrical systems** - 🧰 **Used by leading MROs & maintenance professionals** > ✉️ [Contact us sales@cjaerospace.com.au](mailto:sales@cjaerospace.com.au) > Need installation guidance or technical documentation? Contact CJ Aerospace for expert support.

- **Solid‑state design** for enhanced reliability over mechanical regulators - **28‑volt regulated output** for aircraft electrical systems - **Over‑voltage protection** to safeguard avionics and electrical components - **Field short protection** to limit alternator field faults - **Reverse battery protection** for enhanced electrical safety - **Precision load‑sharing support** for multi‑alternator installations - Alternator inoperative lamp compatibility