Lamar A-00258-1 ALTERNATOR INOP SWITCH, 14V

The **Lamar A-00258-1 Alternator Inoperative Switch** (P/N **A-00258-1**) is an aircraft electrical component designed to monitor alternator operation and provide an indication when the alternator is not functioning correctly. The unit senses alternator output voltage and activates the aircraft's alternator inoperative warning light when voltage falls below a predetermined level. The A-00258-1 is a solid-state electrical monitoring device used in applicable Piper, Beechcraft and Maule aircraft electrical systems. --- ## Applications Suitable for applicable: - **Piper Aircraft** – PA-23, PA-28, PA-30, PA-32 and PA-34 Series - **Beechcraft Aircraft** – E33, F33, G33, Bonanza 35 Series, 36, A36, A36TC and B36TC - **Maule Aircraft** – M-4, M-6, M-7, MT-7 and MX-7 Series - **Aircraft Alternator Systems** – Alternator inoperative warning indication - **Aircraft Electrical System Maintenance** – Replacement of applicable alternator monitoring switches --- ## Why CJ Aerospace? CJ Aerospace supplies aircraft electrical components, alternator inoperative switches, voltage regulators and replacement electrical system parts for a range of aviation applications. Our team can assist with product information, availability and part-number identification. - 🇦🇺 **Australian-owned and operated** - 📦 **Aircraft electrical components and replacement parts** - 🔧 **Technical assistance with part identification and compatibility** - ✈️ **Support for aircraft owners, operators and aviation professionals** > ✉️ [Contact us at sales@cjaerospace.com.au](mailto:sales@cjaerospace.com.au) > Need help identifying the correct alternator inoperative switch or compatible aircraft electrical component? Contact our team for assistance.

- **Alternator Monitoring** – Monitors alternator output voltage during aircraft operation - **Inoperative Warning Function** – Activates the alternator warning light when voltage falls below a predetermined level - **Solid-State Construction** – Electronic design for alternator monitoring applications - **Aircraft Electrical System Integration** – Designed for use with applicable aircraft warning indication circuits - **Replacement Component** – Supports aircraft electrical system maintenance and servicing - **Multiple Aircraft Applications** – Listed for selected Piper, Beechcraft and Maule aircraft