ELECTRIC AUTO LITE WSG-4004 Aircraft Battery Circuit Relay 94-32324B 24V

( Brand: Electric Auto Lite ), ( Manufacturer Part Number: WSG-4004 ), ( Part Type: Circuit 24v Battery ), ( Country Of Origin: United States )

Review ELECTRIC AUTO LITE Type Aircraft 24v Battery Circuit Current Relay fits B-4

The Electric Auto-Lite WSG-4004 94-32324B B-4 is a high-performance 24V battery circuit relay specifically designed for use in aircraft applications. This essential component is engineered to ensure reliable and efficient power management within the avionics system.

The WSG-4004 is a solid-state relay, which means it operates without any moving parts, minimizing the risk of wear and tear and enhancing its overall durability. It is designed to switch 24V DC loads up to 40 Amperes, making it suitable for various power-consuming systems in an aircraft, such as landing gear, fuel pumps, or lighting.

This relay features a contact rating of 10,000 cycles at 40A, ensuring long-lasting performance under heavy loads. It also boasts a low contact resistance of 0.02 Ohms, which results in quick switching times and minimal power loss. The relay is built to meet the rigorous requirements of the aviation industry, with a temperature range of -40 C to 85 C and a maximum operating voltage of 32V DC.

The Electric Auto-Lite WSG-4004 is designed with a compact form factor, measuring 3.14 inches (80 mm) in length, 1.57 inches (40 mm) in width, and 1.38 inches (35.1 mm) in height. Its lightweight construction, weighing approximately 0.6 pounds (275 grams), makes it easy to install and integrate into various aircraft systems.

The relay comes with a built-in diode, which protects against inductive loads and ensures proper polarity when switching. It also features a clear, red LED indicator light, which illuminates when the relay is activated, providing visual confirmation of its status.

The Electric Auto-Lite WSG-4004 94-32324B B-4 is a versatile and essential component for any aviation electrical system. Its high performance, reliability, and durability make it an excellent choice for powering various systems in both commercial and general aviation aircraft.

The Electric Auto Lite WSG-4004 94-32324B B-4 is a 24V aircraft battery circuit relay. This component is essential for managing the electrical flow between the battery and the aircraft's electrical systems. Here are some pros and cons of purchasing this relay:

1. Designed for aviation applications: This relay is specifically built to meet the demanding requirements of aircraft electrical systems.

2. High current capacity: With a continuous current rating of 150A and a peak current rating of 300A, this relay can handle the high electrical loads commonly found in aircraft.

3. Robust construction: The relay is designed to withstand the harsh conditions of aircraft environments, including vibration, temperature extremes, and humidity.

4. Easy installation: The relay is designed to be easily installed in most aircraft electrical systems, making it a popular choice among aviation professionals.

1. Cost: The Electric Auto Lite WSG-4004 94-32324B B-4 is more expensive than some other relays on the market.

2. Size: This relay is larger than some other options, which may require additional space in the aircraft's electrical system.

3. Complexity: Installing and configuring this relay may require a higher level of electrical expertise than some other relays.

The Electric Auto Lite WSG-4004 94-32324B B-4 is a high-quality, robust, and reliable relay designed specifically for aviation applications. Its high current capacity, easy installation, and robust construction make it a popular choice among aviation professionals. However, its cost and size may be a drawback for some users. Ultimately, the decision to purchase this relay depends on the specific needs and budget of the user.

If you are in the market for an aircraft battery circuit relay and require high current capacity, easy installation, and robust construction, then the Electric Auto Lite WSG-4004 94-32324B B-4 is an excellent choice. However, if cost and size are a concern, you may want to explore other options before making a final decision. It's always a good idea to consult with a professional aviation electrician or electrical engineer to determine the best relay for your specific application.

Details:

Alternate P/NS WSG4001, WSG4002, WSG4003, WSG4004, WSG4005, X87280, 114370, 30937, 4202AAF596755, 6041H126, 60985, 721624, 7216-24, 9432324A, 94-32324A, 9873, 987-3, 9873A, 987-3A, 9874, 987-4. Manufactured by Electric Auto Lite. NSN: 5945-00-184-9644. Airworthiness is to be determined only by the person or persons installing said item on Aircraft.

All manuals are sold for reference purposes only and do not necessarily reflect current updates.: 24V Type B-4 Aircraft Battery Circuit Current Relay as shown on photos. P/N WSG-4004 or 94-32324B.

part #: wsg4004 price

• $154.99

specifications aviationpar:

• for models: B-4
• brand: Electric Auto Lite
• mpn: Wsg-4004
• part type: Circuit 24v Battery
• country of origin: United States

returns aviationpar:

• policy: No Returns

offer aviationpar:

• quantity: 1
• options: Ship-to-home
• started: May 22, 2026
• sold: 0
• availability: In Stock

payments aviationpar:

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

general aviationpar:

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

seller aviationpar:

• city: Ladonia, Texas
• # reviews: 9509
• rating: 99.7%

shipping aviationpar:

• cost: $23.60
• transit: 6-12 Days
• class: Standard, Expedited
• carrier: USPS, FedEx
• service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground / FedEx Home Delivery
• type: Calculated

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