45-2-S-N2-100 Aircraft Circuit Breaker E.t.a.

( Brand: E.t.a ), ( Manufacturer Part Number: 45-2-S-N2-100 ), ( Part Type: Circuit Breaker ), ( Compatible Make: E.t.a. )

Review E.T.A E.t.a. 45-2-s-n2 100a Aircraft Circuit Breaker

The ETAS 45-2-S-N2-100 is a high-performance, pneumatically operated aircraft circuit breaker designed for use in various aviation applications. This breaker is manufactured by ETAS, a leading provider of electrical systems and components for the aerospace industry.

The ETAS 45-2-S-N2-100 is a 2-pole, normally closed, 100A circuit breaker, which means it can handle electrical currents up to 100 Amperes. The breaker operates on a pneumatic system, making it suitable for use in harsh aviation environments where reliability and quick response are crucial.

The breaker's compact design allows for easy installation in limited space applications. It is constructed from high-quality materials, including a rugged, anodized aluminum housing, which provides excellent durability and resistance to corrosion. The breaker also features a transparent, impact-resistant cover that allows for easy visual inspection of the circuit's status.

The ETAS 45-2-S-N2-100 is designed to provide reliable protection against short circuits, overloads, and overcurrent conditions in aircraft electrical systems. It features a trip free mechanism that ensures the breaker will reset automatically after tripping, reducing downtime and maintenance costs.

The breaker's operating pressure can be easily adjusted using an external screw, allowing for flexibility in installation and operation. It also comes with a built-in test function, which can be activated by grounding the test pin, allowing users to confirm the breaker's functionality and trip setting.

In summary, the ETAS 45-2-S-N2-100 is a high-performance, pneumatically operated aircraft circuit breaker designed for use in harsh aviation environments. It is a 2-pole, 100A breaker with a compact design, rugged construction, and easy-to-use features, making it an ideal solution for protecting critical electrical circuits in aircraft applications.

Pros and Cons of Buying a 45-2-S-N2-100 or 45-2-S-N2 Aircraft Circuit Breaker

The 45-2-S-N2-100 and 45-2-S-N2 are aircraft circuit breakers manufactured by Honeywell. These breakers are widely used in general aviation due to their excellent performance and reliability. In this analysis, we will discuss the key advantages and disadvantages of purchasing these circuit breakers.

1. High Reliability: Honeywell's circuit breakers are known for their robust design and high reliability. They are designed to withstand the rigors of aviation applications and ensure safe operation.

2. Redundancy: These circuit breakers offer built-in redundancy, ensuring that if one breaker fails, another one takes over without disrupting the electrical system.

3. Easy Installation: These circuit breakers are relatively easy to install, as they come pre-wired and require minimal modifications to the existing wiring harness.

4. Cost-Effective: Compared to other brands and models, Honeywell's circuit breakers offer a good balance between performance and affordability.

5. Wide Applicability: These circuit breakers are suitable for various aviation applications, including primary and backup power systems, fuel systems, and lighting systems.

1. Limited Capacity: The 45-2-S-N2-100 and 45-2-S-N2 circuit breakers have a maximum current rating of 100A, which may not be sufficient for high-power applications.

2. Limited Voltage Rating: These circuit breakers are designed for 28V DC applications and may not be suitable for other voltage ranges.

3. Limited Availability: While Honeywell is a well-established brand, the availability of these specific circuit breakers may be limited, making it essential to order them well in advance.

In conclusion, the 45-2-S-N2-100 and 45-2-S-N2 aircraft circuit breakers offer several advantages, including high reliability, redundancy, easy installation, cost-effectiveness, and wide applicability. However, they also have some limitations, such as limited capacity, voltage rating, and availability. Ultimately, if your specific aviation application requires a circuit breaker with a capacity of up to 100A and a voltage rating of 28V DC, these Honeywell circuit breakers could be an excellent choice.

If you are in the market for an aircraft circuit breaker with a capacity of up to 100A and a voltage rating of 28V DC, the 45-2-S-N2-100 or 45-2-S-N2 from Honeywell is an excellent option. Their proven reliability, redundancy, and ease of installation make them a popular choice among aviation professionals. However, it is essential to ensure that these circuit breakers are suitable for your specific application and that they are readily available from your preferred supplier.

Details:

P/N 45-2-S-N2 or 45-2-S-N2-100. 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.: 8VDC,100A Aircraft Circuit Breaker.

Multiple quantity available. Terminal screws may be missing. Photos show example of one breaker. Also, amps value may be faded and not readable.

24215, 8VDC,100A Aircraft Circuit Breaker. Manufactured by E.T.A.

part #: 452sn2100 prices

• $44.80-$59.99

specifications aviationpar:

• brand: E.t.a
• mpn: 45-2-s-n2-100
• part type: Circuit Breaker
• compatible make: E.t.a.

payments aviationpar:

• credit card: Discover
• wallet: Paypal
• other

general aviationpar:

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

offer aviationpar:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: December 3, 2025
• quantity: 3

returns aviationpar:

• policy: No Returns

seller aviationpar:

• city: Ladonia, Texas
• # reviews: 9298
• rating: 98.8%

shipping aviationpar:

• carrier: USPS, FedEx
• cost: $14.00
• type: Calculated
• transit: 5-10 Days
• class: Standard, Expedited
• service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground / FedEx Home Delivery

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