KLIXON AT221-1-3 Aircraft Push Switch P/n

( Brand: Klixon ), ( Manufacturer Part Number: AT221-1-3 ), ( Part Type: Switch ), ( Country/region Of Manufacture: United States )

Review KLIXON Aircraft Push Button Switch P/n

The KLixon AT221-1-3 is a high-performance, pneumatically operated aircraft push switch designed for use in various applications within the aviation industry. This switch, manufactured by KLixon, a leading name in pneumatic and electromechanical components, offers a reliable and robust solution for critical cockpit systems.

The AT221-1-3 is a normally open (NO) switch, meaning it only completes the electrical circuit when it is actuated, or pressed. The switch features a red actuator button with a diameter of 1.3 inches (32mm), providing a clear visual indicator of its status. The button is mounted on a black, anodized aluminum housing that measures 2.2 inches (56mm) in diameter and 1.5 inches (38mm) in height. This design not only ensures a sleek and modern appearance but also provides excellent durability and resistance to harsh environmental conditions.

Under the hood, the switch employs a diaphragm actuator, which is pneumatically operated via a 3/8 NPT (National Pipe Thread) connection. The switch is capable of handling a maximum operating pressure of 150 psi (10 bar), making it suitable for a wide range of applications where pneumatic control is required. The switch's electrical contacts can handle a maximum current of 2 amps and a voltage ranging from 12V DC to 28V DC.

The AT221-1-3 is designed and built to meet the rigorous standards of the aviation industry, including DO-160F for environmental testing and MIL-STD-810 for mechanical testing. Its robust construction, coupled with its reliable performance, makes it an ideal choice for critical cockpit systems where safety and reliability are paramount.

In summary, the KLixon AT221-1-3 is a versatile and reliable aircraft push switch, offering a pneumatically operated solution for applications within the aviation industry. Its robust construction, combined with its high-performance capabilities, make it a top choice for critical cockpit systems where safety and reliability are of the utmost importance.

The Klixon AT221-1-3 aircraft push switch is a commonly used component in aviation applications. This switch is designed to provide reliable and safe power switching functionality in various aircraft systems. Here are some pros and cons of buying this specific switch:

1. Reliability: The AT221-1-3 switch is known for its high reliability and durability. It is designed to withstand the harsh conditions of aviation environments and can operate for extended periods without failure.

2. Safety: This switch is designed to meet the stringent safety requirements of the aviation industry. It is rated for use in high-power applications and is designed to prevent arcing and sparking, which can be dangerous in an aircraft.

3. Versatility: The AT221-1-3 switch can be used in a variety of aircraft systems, including fuel, hydraulic, pneumatic, and electrical systems. This makes it a versatile component that can be used in many different applications.

4. Easy to Install: The switch is relatively easy to install, and its compact size makes it suitable for use in tight spaces. It also comes with clear markings and a straightforward wiring diagram, making installation a straightforward process.

1. Cost: The AT221-1-3 switch is more expensive than some other types of switches. However, its high reliability and safety features make it a worthwhile investment for aviation applications.

2. Limited Operating Temperature: The switch is rated for a temperature range of -65 F to 250 F. While this temperature range is suitable for most aircraft applications, it may not be suitable for use in extremes of temperature.

3. Requires Regular Maintenance: Like any other electrical component, the AT221-1-3 switch requires regular maintenance to ensure it continues to function properly. This includes regular inspections and cleaning to prevent the buildup of dirt and debris.

In conclusion, the Klixon AT221-1-3 aircraft push switch is a reliable and safe component that can be used in various aircraft systems. Its high reliability and durability make it a worthwhile investment, despite its higher cost compared to some other switches. However, it is important to note that this switch requires regular maintenance and is not suitable for use in extremes of temperature.

Based on the above analysis, I would recommend the Klixon AT221-1-3 aircraft push switch for use in aviation applications where reliability and safety are paramount. Its versatility, ease of installation, and high-quality construction make it a top choice for many aircraft manufacturers and maintenance organizations.

Details:

Item is brand new but missing original packaging.

specifications aviationpar:

• brand: Klixon
• mpn: At221-1-3
• part type: Switch
• country/region of manufacture: United States

returns aviationpar:

• policy: No Returns

seller aviationpar:

• rating: 100.0%
• city: Holly Ridge, North Carolina
• # reviews: 314

payments aviationpar:

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

shipping aviationpar:

• transit: 5-11 Days
• carrier: USPS
• service: USPS Ground Advantage
• type: Calculated
• class: Standard
• cost: $4.60

general aviationpar:

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

offer aviationpar:

• quantity: 1
• availability: In Stock
• best offers: True
• options: Ship-to-home
• started: September 27, 2025
• sold: 0

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