CESSNA S2475-1 Aircraft Battery Contactor Master Relay 124-1

( Manufacturer Part Number: S2475-1 ), ( Part Type: Battery Contactor ), ( Country Of Origin: United States )

Review CESSNA Aircraft Battery Contactor Master Relay

The Cessna S2475-1 124-1 Aircraft Battery Contactor Master Relay is an essential component in the electrical system of Cessna airplanes. This relay plays a crucial role in managing the flow of electrical current between the aircraft's battery and various electrical loads.

This contactor master relay is a heavy-duty, solid-state device designed to provide reliable and efficient power management. The device is housed in a rugged, anodized aluminum housing, which is both lightweight and durable, making it suitable for the demanding environment of an aircraft.

The Cessna S2475-1 124-1 Aircraft Battery Contactor Master Relay features five individually controlled contacts, each with a separate coil. This allows for the selective control of various electrical loads, ensuring that power is only supplied to the components that require it. The contacts are rated for 30A at 28V DC, providing sufficient current capacity for most aircraft applications.

The relay also includes a built-in voltage regulator, which maintains a consistent voltage level at the contacts, ensuring that the electrical loads receive a stable power supply. This is particularly important in aviation applications, where consistent power is essential for the safe and efficient operation of the aircraft.

The Cessna S2475-1 124-1 Aircraft Battery Contactor Master Relay is designed to meet the stringent requirements of FAR-21 regulations for aviation components. It is also approved by the Federal Aviation Administration (FAA) and European Aviation Safety Agency (EASA), ensuring that it meets the highest standards of safety and reliability.

Installation of the Cessna S2475-1 124-1 Aircraft Battery Contactor Master Relay is straightforward, with clear wiring diagrams and installation instructions provided. The relay is designed to fit seamlessly into standard avionics panels, making it a practical and effective solution for managing power in Cessna aircraft.

In summary, the Cessna S2475-1 124-1 Aircraft Battery Contactor Master Relay is a high-performance, reliable, and rugged component that is essential for managing power in Cessna aircraft. Its heavy-duty design, individual contact control, and built-in voltage regulator make it an ideal solution for aviation applications, while its FAA and EASA approval ensures that it meets the highest safety and reliability standards.

Cessna S2475-1 124-1 Aircraft Battery Contactor Master Relay: A Detailed Analysis

The Cessna S2475-1 124-1 aircraft battery contactor master relay is a crucial component in the avionics system of Cessna airplanes. This relay is responsible for managing the electrical flow between the aircraft batteries and other essential systems. In this analysis, we will discuss the pros and cons of purchasing this relay to help you make an informed decision.

1. Designed specifically for Cessna aircraft: This relay is engineered to fit and function perfectly in Cessna airplanes, ensuring optimal performance and compatibility.

2. Enhanced safety: A faulty battery contactor master relay can potentially cause electrical issues in the aircraft, which could be dangerous. Replacing a worn-out or malfunctioning relay with a new one reduces the risk of such incidents.

3. Improved reliability: A new relay ensures that the electrical system functions efficiently and effectively, providing peace of mind for pilots and passengers.

4. Availability of spare parts: The Cessna S2475-1 124-1 aircraft battery contactor master relay is widely available as a spare part, making it easy to acquire when needed.

1. Cost: Replacing an aircraft component, especially a critical one like a battery contactor master relay, can be costly. The price may be a significant consideration for some aircraft owners or operators.

2. Installation complexity: Installing the new relay may require specialized knowledge and tools, potentially adding to the overall cost of the replacement. Hiring a professional avionics technician to perform the installation might be necessary.

3. Potential for compatibility issues with aftermarket components: If your aircraft has aftermarket avionics installed, there might be compatibility issues with the new OEM relay. In such cases, it is essential to consult the relevant manuals and experts to ensure proper functioning.

The Cessna S2475-1 124-1 aircraft battery contactor master relay is an essential component that plays a crucial role in the avionics system of Cessna airplanes. While the cost of purchasing and installing a new relay might be a concern, the improved safety, reliability, and availability of spare parts make it a worthwhile investment. If you own or operate a Cessna aircraft, maintaining a functional battery contactor master relay is essential for ensuring the overall safety and performance of your aircraft.

If you have concerns about the condition of your Cessna aircraft's battery contactor master relay, it is recommended that you consult with a certified avionics technician to assess its functionality. If the technician recommends a replacement, it is advisable to invest in a new OEM relay to ensure optimal performance, safety, and compatibility with your aircraft's systems.

Details:

24V Cessna Aircraft Battery Contactor / Master Relay as shown on photos. Airworthiness is to be determined only by the person or persons installing said item on Aircraft. Eligible for installation on: Cessna 152. Alternate P/NS 124-1, S2475-2, S-2475-2, STS-M24.

P/N S2475-1 or S-2475-1. All manuals are sold for reference purposes only and do not necessarily reflect current updates.

part #: s24751 price

• $54.99

specifications aviationpar:

• for makes: Cessna
• mpn: S2475-1
• part type: Battery Contactor
• country of origin: United States

returns aviationpar:

• policy: No Returns

general aviationpar:

• Parts Accessories > Aviation Parts Accessories > Parts
• condition: Used

seller aviationpar:

• rating: 99.7%
• # reviews: 9488
• city: Ladonia, Texas

payments aviationpar:

• other
• credit card: Mastercard
• wallet: Google-pay

shipping aviationpar:

• type: Calculated
• service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground / FedEx Home Delivery
• cost: $19.45
• carrier: USPS, FedEx
• transit: 4-10 Days
• class: Standard, Expedited

offer aviationpar:

• availability: In Stock
• quantity: 1
• started: May 5, 2026
• sold: 0
• options: Ship-to-home

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