KLIXON 454-648 Aircraft Psm Circuit Breaker PSM-5 5A

( Brand: Klixon ), ( Manufacturer Part Number: 454-648 ), ( Part Type: Circuit Breaker ), ( Country Of Origin: United States )

Review KLIXON Piper Aircraft 5a Psm Series Circuit Breaker

The Klixon 454-648 PSM-5 Piper Aircraft 5A PSM Circuit Breaker is a vital safety component designed specifically for use in aircraft electrical systems. This circuit breaker is manufactured by Honeywell, a leading name in the aviation industry, ensuring the highest standards of quality and reliability.

This circuit breaker is part of the Positive Sequence Magnetically Operated (PSM) series, which utilizes a magnetic trip mechanism to provide superior performance and dependability. The 5A rating signifies that it can handle up to 5 amperes of current, making it suitable for a wide range of electrical applications.

The Klixon 454-648 is designed to protect the wiring and components of an aircraft's electrical system from overcurrent conditions, which can lead to damaging shorts or even electrical fires. When the current flowing through the circuit exceeds the rated value, the magnetic trip mechanism is triggered, causing the circuit breaker to open and disconnect the circuit, thereby preventing further damage.

This circuit breaker is also known as a Type C circuit breaker, which means it is designed to be used in positions where a fusible link or a conventional circuit breaker may not be suitable. It features a push-to-test button, allowing the aircraft maintenance personnel to quickly and easily check the status of the circuit breaker without the need for additional tools.

The Klixon 454-648 PSM-5 Piper Aircraft 5A PSM Circuit Breaker is designed to meet the stringent requirements of the aviation industry, including FAR-Federal Aviation Regulations and EASA-European Aviation Safety Agency standards. It is constructed from high-quality materials that can withstand the harsh conditions of aircraft use, including high temperatures and vibration.

In conclusion, the Klixon 454-648 PSM-5 Piper Aircraft 5A PSM Circuit Breaker is a crucial safety component for aircraft electrical systems. Its magnetic trip mechanism, push-to-test button, and high current rating make it an excellent choice for a wide range of aviation applications, while its compliance with FAR and EASA standards ensures that it meets the highest safety requirements.

Pros and Cons of Buying a Klixon 454-648 PSM-5 Piper Aircraft 5A PSM Circuit Breaker

The Klixon 454-648 PSM-5 Piper Aircraft 5A PSM circuit breaker is a critical component in the electrical system of Piper aircraft. This circuit breaker is designed to protect the electrical circuit from overcurrent conditions. In this analysis, we will discuss the advantages and disadvantages of purchasing this circuit breaker.

1. Reliability: The Klixon circuit breakers are known for their durability and reliability. They are designed to provide long-lasting performance, ensuring the safety of the aircraft and its occupants.

2. Safety: Circuit breakers are essential safety devices that prevent electrical overloads and short-circuits. The Klixon 454-648 PSM-5 Piper Aircraft 5A PSM circuit breaker is no exception. It is designed to trip when the current exceeds the rated value, preventing potential damage to the electrical system and the aircraft.

3. Easy to Install: The circuit breaker is designed to be easy to install. It comes with clear instructions and can be installed in a relatively short amount of time.

4. Compatibility: The circuit breaker is specifically designed for use in Piper aircraft, ensuring compatibility with the electrical system.

1. Cost: The Klixon 454-648 PSM-5 Piper Aircraft 5A PSM circuit breaker can be relatively expensive compared to other circuit breakers.

2. Availability: Due to its specific application in Piper aircraft, this circuit breaker may not be as widely available as other circuit breakers, making it more difficult to find and purchase.

3. Complexity: While the circuit breaker is designed to be easy to install, it may still require some level of electrical expertise to ensure proper installation and function.

The Klixon 454-648 PSM-5 Piper Aircraft 5A PSM circuit breaker offers several advantages, including reliability, safety, ease of installation, and compatibility. However, it also has some disadvantages, such as cost, availability, and complexity. Ultimately, the decision to purchase this circuit breaker depends on the specific needs and resources of the aircraft owner or maintenance provider. If safety and reliability are top priorities, and the cost and availability are not major concerns, then this circuit breaker is an excellent choice. However, if budget is a primary concern, alternative circuit breakers may be worth considering.

If you are in the market for a high-quality, reliable circuit breaker for your Piper aircraft, the Klixon 454-648 PSM-5 Piper Aircraft 5A PSM circuit breaker is an excellent choice. Its durability, ease of installation, and compatibility make it a top pick among aircraft maintenance professionals. However, it is essential to weigh the advantages against the disadvantages and ensure that the cost and availability are within your budget before making a purchase. If budget is a concern, consider alternative circuit breakers that may offer similar performance at a lower cost.

Details:

All manuals are sold for reference purposes only and do not necessarily reflect current updates. Airworthiness is to be determined only by the person or persons installing said item on Aircraft. Alternate P/NS W23X1A1G-5, W23X1A1G5, 190098, B5572ADWG3, PSM-5-N.: 5A Klixon PSM Series, sealed construction, manual reset, Piper Aircraft Circuit Breaker.

Photos show example of one breaker. Also, amps value may be faded and not readable. Terminal screws and / or nut holding breaker on instrument panel are missing. Multiple quantity available.

NSN: 5925-00-549-9824. Piper P/N 454-648 or 454 648 454648.

part #: 454648 prices

• $12.99-$24.99

specifications aviationpar:

• for makes: Piper
• brand: Klixon
• mpn: 454-648
• part type: Circuit Breaker
• country of origin: United States

offer aviationpar:

• quantity: 9
• options: Ship-to-home
• started: February 20, 2026
• sold: 0
• availability: In Stock

general aviationpar:

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

returns aviationpar:

• policy: No Returns

payments aviationpar:

• credit card: Visa
• wallet: Paypal
• other

shipping aviationpar:

• service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground / FedEx Home Delivery
• cost: $13.50
• type: Calculated
• transit: 5-11 Days
• class: Standard, Expedited
• carrier: USPS, FedEx

seller aviationpar:

• rating: 99.6%
• # reviews: 9380
• city: Ladonia, Texas

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