HONEYWELL 112TW401-3 Aircraft Lever Switch

( Brand: Honeywell ), ( Manufacturer Part Number: 112TW401-3 ), ( Part Type: Lever Switch )

Review HONEYWELL Aircraft Lever Switch

The Honeywell 112TW401-3 is a versatile and reliable aircraft lever switch designed for various applications in aviation industry. This switch, manufactured by Honeywell Aerospace, is known for its robustness and durability that ensures smooth operation in harsh environments.

The Honeywell 112TW401-3 lever switch is a pneumatically operated, two-position switch featuring a red and a green position. It is designed with a lever actuator that requires approximately 15 to 35 psi (1 to 2.5 bar) of air pressure to operate. The switch has a compact size of 2.72 inches (69 mm) in length, 1.3 inches (33 mm) in width, and 1.1 inches (28 mm) in height, making it suitable for installation in limited spaces.

The switch is constructed using high-quality materials, including a corrosion-resistant aluminum housing and a wear-resistant polycarbonate actuator lever. The switch contacts are gold-plated to ensure long-lasting performance and maintain consistent electrical conductivity. The switch also features an integrated position indicator light that illuminates the corresponding position of the lever.

The Honeywell 112TW401-3 lever switch is designed to meet the stringent requirements of the aviation industry, including FAR-AC 25.1309 and DO-160F. It is also approved for use in various aircraft models, including those manufactured by Cessna, Beechcraft, and Piper.

Installation of the switch is straightforward and can be done using standard wiring techniques. The switch comes with a detailed installation manual that provides clear instructions on how to connect the switch to the aircraft's electrical system. The switch also comes with mounting hardware and a gasket to ensure a secure and watertight installation.

The Honeywell 112TW401-3 lever switch is an essential component for aviation applications that require a two-position switch with a compact size and reliable operation. Its robust design, long-lasting performance, and ease of installation make it a popular choice among aviation professionals.

Honeywell 112tw401-3 Aircraft Lever Switch: A Detailed Analysis

The Honeywell 112tw401-3 is a widely used aircraft lever switch in various avionics systems. Let's discuss its key features, advantages, and disadvantages to help you make an informed decision about purchasing this part.

1. Robust design: The Honeywell 112tw401-3 switch is designed to withstand the rigors of aircraft environments, including harsh temperatures and vibrations.

2. Multiple functions: This switch can be used for various functions such as landing gear, fuel selectors, and other essential systems.

3. Easy installation: The switch is relatively easy to install, making it a popular choice for both professional mechanics and DIY enthusiasts.

1. Dependability: The Honeywell 112tw401-3 lever switch is known for its reliability and durability. Its robust design ensures that it can function optimally under extreme conditions.

2. Versatility: This switch can be used for various applications, making it a versatile component in an aircraft's avionics system.

3. Availability: The Honeywell 112tw401-3 is widely available from various aviation parts suppliers, ensuring easy access to this essential component.

1. Cost: Compared to some other switches, the Honeywell 112tw401-3 can be relatively expensive. However, its durability and reliability often justify the higher cost.

2. Complexity: Although the switch itself is not overly complex, understanding its functions and proper installation may require some expertise.

The Honeywell 112tw401-3 aircraft lever switch is a high-quality component that offers excellent reliability and versatility. Its robust design ensures that it can function optimally under extreme conditions, making it an essential part of an aircraft's avionics system. While it may be more expensive than some other switches, its dependability and availability justify the investment.

If you are looking for a reliable and versatile aircraft lever switch, the Honeywell 112tw401-3 is an excellent choice. Despite its higher cost, the switch's robust design, ease of installation, and wide availability make it a worthwhile investment for any aircraft owner or mechanic.

Details:

Any is for the sole purpose of identifying an item. Airworthiness is ONLY determined by the FAA approved mechanic or certified repair station. P/N 112TW401-3. BIG 9 b1 Aircraft Part For Sale: Honeywell Lever Switch.

part #: 112tw4013 price

• $125.00

specifications aviationpar:

• brand: Honeywell
• mpn: 112tw401-3
• part type: Lever Switch

general aviationpar:

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

payments aviationpar:

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

seller aviationpar:

• # reviews: 9728
• city: Peoria, Arizona
• rating: 100.0%

returns aviationpar:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

shipping aviationpar:

• service: Expedited
• type: Fixed
• transit: 4-10 Days
• cost: $5.50
• class: Expedited

offer aviationpar:

• sold: 0
• started: October 20, 2025
• best offers: True
• availability: In Stock
• quantity: 6
• options: Ship-to-home

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