STS-M24 CONTACTOR, MASTER, 24V

The **STS‑M24 Contactor** is a **continuous‑duty 24 V battery/master solenoid/contact switch** designed for 24 V aircraft electrical systems. It features **rugged all‑metal construction and silver contact elements** that provide excellent in‑rush capacity and reliable continuous current performance in aviation environments. This unit is **FAA‑PMA approved** as a replacement for legacy battery master contactors, offering **higher in‑rush and continuous current capability** than many original OE units and is suitable for use in aircraft battery and master electrical switching applications. --- ## Applications - Main **battery/master contactor** in 24 V aircraft electrical systems - Switching of battery power to aircraft buses and electrical equipment - Replacement for legacy battery master solenoid/contactors - OEM installation and certified aircraft maintenance --- ## Why CJ Aerospace? CJ Aerospace supplies trusted aviation electrical 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.

- **Continuous‑duty battery/master contactor** for 24 V systems - **Silver contacts** for high‑current capability and long life - **FAA‑PMA certified** replacement for legacy master solenoids - **Light spring and low‑current coil** for excellent engagement and holding - **Simple single‑coil terminal** design (other end tied to battery) - **All‑metal case construction** suitable for aviation environments - **Higher rated than many OE units** with robust in‑rush/continuous capability