STS-A24

Lamar STS-A24 CONTACTOR 24V AUX

PN: STS-A24


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DESCRIPTION | FEATURES | SPECIFICATIONS | DOCUMENTS | VIDEO | ASK A QUESTION

DESCRIPTION

The **Lamar STS-A24 Auxiliary Contactor** (P/N **STS-A24**) is a 24V continuous-duty electrical contactor designed for battery master and auxiliary power switching in applicable aircraft electrical systems. The contactor features silver electrical contacts and an all-metal housing, with a rated continuous current capacity of 200A and peak inrush capability of 400A. The STS-A24 is an **FAA PMA-approved replacement contactor** listed for selected Beechcraft, Cessna, Grumman, Maule and Mooney aircraft applications. --- ## Applications Suitable for applicable: - **Beechcraft Aircraft** – Battery master and auxiliary electrical switching - **Cessna Aircraft** – Battery master and auxiliary power contactor applications - **Grumman Aircraft** – Battery master and auxiliary switching - **Maule Aircraft** – Battery master and auxiliary electrical switching - **Mooney Aircraft** – Battery master and auxiliary contactor applications - **24V Aircraft Electrical Systems** – Continuous-duty electrical switching --- ## Why CJ Aerospace? CJ Aerospace supplies aircraft electrical components, master relays, contactors 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 aircraft contactor or compatible electrical component? Contact our team for assistance.

FEATURES

- **24V Electrical System Compatibility** – Designed for applicable 24V aircraft electrical systems - **Continuous-Duty Operation** – Suitable for battery master and auxiliary power switching - **200A Continuous Current Rating** – Supports high-current electrical switching applications - **400A Peak Inrush Capability** – Accommodates high initial switching currents - **Silver Electrical Contacts** – Features silver contact elements - **All-Metal Construction** – Metal housing for aircraft electrical installations - **Dual Coil Terminals** – Provides two coil connection terminals - **FAA PMA Approval** – Listed for approved aircraft replacement applications

SPECIFICATIONS

Package Dimensions

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Details

| **Specification** | **Detail** | | --- | --- | | **Part Number** | STS-A24 | | **Product Type** | Auxiliary / Battery Master Contactor | | **System Voltage** | 24V DC | | **Duty Cycle** | Continuous Duty | | **Continuous Current Rating** | 200A | | **Peak Inrush Current** | 400A | | **Breaking Current** | 200A | | **Coil Current** | 1.0A | | **Coil Resistance** | 24Ω | | **Contact Material** | Silver | | **Housing Construction** | All-Metal Case | | **Coil Terminals** | Dual | | **Application** | Battery Master / Auxiliary Power Switching | | **OEM Part Numbers** | 6041H189, S1578-1, S1580-1, S2475-1, S2475-2, 70-907, 70-911, 70-903, 71-117226-5, 6041H202, 6041H202A, 487 167 (26898-05), NOR7-369-2 | | **Compatible Beechcraft Aircraft Models/Series** | F33A, F33C, V35B, 95-55, 95-A55, 95-B55, 95-C55, D55, E55, 58, 36, A36, A36TC, B36TC | | | | | **Compatible Cessna Aircraft Models/Series** | 152, A152, F152, FA152, 172N, 172P, 172Q, R172, R172K, F172N, F172P, 180K, 182Q, 182R, F182Q, A185F, 188, A188, 188A, A188A, 188B, A188B, TU206E, U206F, TU206F, 207, T207, 210L, T210L, 210N, T210N, 210R, T210R, 337, 337A, 337B, T337B, 337C, T337C, 337D, T337D, 337E, T337E, 337F, T337F, 337G, F337E, FT337E, F337F, FT337F, F337G | | | | | **Compatible Commander Aircraft Models/Series** | 114B, 114TC | | | | | **Compatible Grumman Aircraft Models/Series** | AG-5B | | | | | **Compatible Maule Aircraft Models/Series** | M-6-180, M-6-235, M-7-235, M-7-235A, M-7-235B, M-7-235C, M-7-260, M-7-260C, MX-7-180, MX-7-180A, MX-7-180B, MX-7-235, MXT-7-160, MXT-7-180, MXT-7-180A | | | | | **Compatible Mooney Aircraft Models/Series** | M20J, M20K, M20M, M20R, M20S | | | | | **Compatible Piper Aircraft Models/Series** | PA-23-235, PA-23-250, PA-31, PA-31-300, PA-31-325, PA-31-350, PA-34-220T, PA-46-310P, PA-46-350P | | | | | **Compatible Partenavia Aircraft Models/Series** | P.68, P.68B, P.68C, P.68C-TC, P.68 Observer, P.68 Observer 2, P.68R | | **FAA PMA** | Yes | | **Brand** | Lamar | | **Manufacturer** | Lamar Technologies LLC |

BROCHURES & DOCUMENTATIONS

List of Brochures

List of Documentation

LAMAR TECHNOLOGIES SOLENOID INSTALLATION INSTRUCTIONS
LAMAR TECHNOLOGIES PMA SUPPLEMENT 11 - SOLENOIDS
LAMAR TECHNOLOGIES STARTER OVERVIEW

VIDEO

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