LEACH K-D4L-012 Nos Volt Aircraft Relay 5945-00-479-9901

( Brand: Leach ), ( Manufacturer Part Number: K-D4L-012 )

Review LEACH Nos Volt Aircraft Relay Pn fits 2028

The Leach K-D4L-012 NOS 28 Volt Aircraft Relay, also known as the 5945-00-479-9901, is a high-performance, solid-state relay designed specifically for use in aircraft applications. This relay is part of Leach's K-D4L series, which is renowned for its exceptional reliability and robustness in harsh environments.

This particular relay is rated for a 28 Volt DC operating voltage and is capable of handling a maximum current of 50 Amps. It features a contact rating of 105A at 277V AC or 200V DC and is designed to operate at temperatures ranging from -55 C to 125 C. The compact size of the relay makes it well-suited for installation in confined spaces, while its rugged construction ensures it can withstand the rigors of aviation use.

The Leach K-D4L-012 NOS 28 Volt Aircraft Relay is a latching relay, meaning it remains in the last position it was switched to until it is manually reset. It has a contact rating of 105A at 277V AC or 200V DC, making it suitable for use with heavy current loads. The relay also features a built-in coil suppression diode, which protects the relay from inductive load transients and helps to prolong its lifespan.

The relay's housing is made from a high-strength, impact-resistant material, and it is sealed to prevent the ingress of moisture, dust, and other contaminants. The contacts are made from a high-quality, gold-plated material to ensure excellent conductivity and long-lasting performance. The relay also features a visual indicator that confirms the status of the contact, making it easy to monitor and troubleshoot.

In summary, the Leach K-D4L-012 NOS 28 Volt Aircraft Relay is a rugged, high-performance relay designed for use in demanding aircraft applications. Its compact size, high current handling capabilities, and robust construction make it an ideal choice for a wide range of aviation systems and components.

Pros and Cons of Buying Leach K-D4L-012 NOS 28V Aircraft Relay (5945-00-479-9901)

a) High-quality product: Leach is a reputable brand known for manufacturing reliable and high-performing electrical components. This K-D4L-012 relay is no exception.

b) Wide operating temperature range: This relay can operate effectively in temperatures ranging from -55 C to 125 C, making it suitable for various aviation applications.

c) Large contact rating: With a contact rating of 10A at 28V DC, this relay can handle a considerable current and voltage, which is essential for aircraft systems.

d) Robust design: The K-D4L-012 relay is built using high-quality materials and is designed to withstand the rigors of aviation environments, ensuring long-lasting performance.

a) Cost: This relay is a high-end, military-grade component, and its price reflects that. It may be more expensive than some commercial-grade relays.

b) Availability: Due to its military origin and specialized application, it may be more challenging to find and purchase this relay compared to off-the-shelf commercial relays.

The Leach K-D4L-012 NOS 28V Aircraft Relay (5945-00-479-9901) is a high-quality, reliable, and robust component designed specifically for aviation applications. It offers a wide operating temperature range, large contact rating, and a reputation for dependable performance from the Leach brand. However, its high cost and limited availability may be a concern for some buyers.

If you are in the aviation industry or working on a project that requires a high-performing, reliable, and robust relay, the Leach K-D4L-012 NOS 28V Aircraft Relay (5945-00-479-9901) is an excellent choice. Its superior capabilities make it worth the investment, especially considering the safety-critical nature of aviation systems. However, if budget or availability is a concern, consider exploring other options for less demanding applications.

Details:

NOS USGI surplus Leach Relay PN K-D4L-012, LOC F1-A2S-B2-S3-C3 K-D4L-012.

part #: kd4l012 prices

• $22.95-$44.98

specifications aviationpar:

• for years: 2028
• brand: Leach
• mpn: K-d4l-012

offer aviationpar:

• started: July 10, 2025
• best offers: True
• options: Ship-to-home
• availability: In Stock
• sold: 0

payments aviationpar:

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

general aviationpar:

• Parts Accessories > Aviation Parts Accessories > Parts
• condition: New

seller aviationpar:

• rating: 98.3%
• city: Ogden, Utah
• # reviews: 11292

shipping aviationpar:

• cost: $11.00
• type: Calculated
• service: USPS Priority Mail, FedEx Ground or FedEx Home Delivery, USPS Priority Mail Small Flat Rate Box
• carrier: USPS, FedEx
• transit: 5-12 Days
• class: Expedited, Standard

returns aviationpar:

• time: 14 Days
• policy: Returns Accepted
• paid by: Buyer

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