KLIXON 7276-13-10 Aircraft Pole Thermal Circuit Breaker

( Brand: Klixon ), ( Manufacturer Part Number: 7276-13-10 ), ( Type: Circuit Breaker ), ( Country Of Origin: United States )

Review KLIXON Aircraft Three pole Thermal Circuit Breaker

The **Klixon 7276-13-10 Aircraft Three-Pole Thermal Circuit Breaker** is a precision-engineered electrical protection device meticulously designed for critical aerospace applications where reliability, durability, and rapid fault interruption are paramount. This high-performance circuit breaker is specifically tailored for use in aircraft electrical systems, where it safeguards sensitive avionics, power distribution networks, and auxiliary systems from overloads, short circuits, and transient surges that could compromise system integrity or pose a safety risk. Constructed from aerospace-grade materials, the 7276-13-10 features a robust thermal trip mechanism that responds dynamically to excessive current, ensuring instantaneous disconnection to prevent overheating, arcing, or catastrophic failure. Its three-pole configuration allows for symmetrical protection across three-phase or split-phase systems, making it ideal for applications such as engine control units, landing gear actuators, environmental control systems, or auxiliary power units where balanced current distribution is essential.

The breaker s compact yet rugged design incorporates a **spring-loaded mechanical latch** that ensures a clean, arcing-free interruption of the circuit, minimizing wear and tear on contacts while maintaining a consistent trip threshold. The thermal element is engineered to withstand the harsh environmental conditions encountered in aviation, including extreme temperatures, high humidity, and vibration, ensuring consistent performance across altitudes and operational extremes. Its **quick-reset capability** allows for rapid troubleshooting and system restoration without the need for replacement, a critical feature in time-sensitive aerospace environments where downtime must be minimized. The unit is also equipped with **visible trip indicators** and, in some configurations, audible or electrical reset confirmation, providing pilots or maintenance personnel with immediate feedback on system status.

Beyond its functional robustness, the Klixon 7276-13-10 adheres to stringent aerospace certification standards, including **DO-160G** for environmental testing and **MIL-SPEC** compliance for reliability under extreme conditions. Its **gold-plated or silver-plated contacts** ensure low resistance and corrosion resistance, while the insulating materials are flame-retardant and resistant to oil, fuel, and moisture, further enhancing its suitability for aircraft interiors and external systems. Whether integrated into a commercial airliner s electrical architecture or a military aircraft s power distribution, this circuit breaker exemplifies the precision and dependability demanded by modern aviation, offering a seamless blend of protection, efficiency, and longevity.

**Pros and Cons of buying a Klixon 7276-13-10 Aircraft Three-Pole Thermal Circuit Breaker**

1. **Reliability in Aviation Applications** The Klixon brand is well-regarded in the aerospace industry for its durability and performance in critical electrical systems. This breaker is designed to handle the demanding conditions of aircraft environments, including vibration, temperature fluctuations, and high-altitude operation.

2. **Thermal Protection** As a thermal circuit breaker, it provides overcurrent protection by interrupting the circuit when excessive heat is generated, preventing damage to wiring, components, or fire hazards. This is essential for maintaining electrical safety in aircraft systems.

3. **Three-Pole Design** This model is a three-phase breaker, making it suitable for systems requiring balanced protection across multiple circuits (e.g., power distribution panels, engine control units, or avionics). It ensures coordinated tripping across all phases, reducing the risk of partial failures.

4. **High Interrupting Rating** The breaker is likely rated for high interrupting capacity, which is crucial in aircraft where sudden fault currents must be safely cleared without damaging the breaker or surrounding components.

5. **Compatibility with Aircraft Standards** Klixon components are often designed to meet or exceed aviation industry standards (e.g., DO-160 environmental testing, MIL-SPEC requirements). This ensures long-term reliability and compatibility with existing aircraft systems.

6. **Easy Installation and Replacement** Aircraft circuit breakers are typically designed for quick access and replacement, minimizing downtime during maintenance. The 7276-13-10 model likely follows this principle, allowing for straightforward integration into existing panels.

7. **Long Lifespan** High-quality thermal breakers are built to endure thousands of operations without degradation, reducing the need for frequent replacements and lowering maintenance costs over time.

8. **Brand Support and Availability** Klixon is a trusted supplier with widespread availability of spare parts, technical documentation, and after-sales support. This is valuable for operators who require quick access to replacements or troubleshooting assistance.

---

1. **Cost** Aircraft-grade components, especially from reputable brands like Klixon, are typically more expensive than commercial-grade alternatives. The 7276-13-10 may represent a significant investment, particularly for smaller operators or DIY aircraft projects.

2. **Specialized Procurement** Sourcing aircraft parts can be challenging due to limited suppliers, long lead times, or dependency on aviation distributors. This may require additional effort or coordination compared to off-the-shelf consumer electronics components.

3. **Potential Overkill for Non-Aircraft Use** If this breaker is being considered for a non-aviation application (e.g., marine, industrial, or automotive), its high-end specifications may be unnecessary, leading to wasted investment. A standard thermal breaker could suffice for less demanding environments.

4. **Maintenance Requirements** While durable, aircraft components often require periodic inspections to ensure they remain functional. Neglecting maintenance could lead to unexpected failures, especially in critical systems.

5. **Limited Customization** Unlike some commercial breakers, aircraft breakers may have fixed ratings (e.g., current capacity, voltage rating) that do not accommodate minor adjustments. This could be a drawback if precise tuning is required for a specific application.

6. **Weight Considerations** Aircraft components are often heavier than their commercial counterparts due to materials and build quality. In weight-sensitive applications (e.g., ultralight aircraft or experimental builds), this could be a minor but notable drawback.

7. **Depreciation** Aircraft parts, like any specialized equipment, may depreciate over time, especially if the aircraft is not in continuous use. This could impact resale value or long-term cost-effectiveness.

---

The Klixon 7276-13-10 aircraft three-pole thermal circuit breaker is a high-quality, reliable component ideal for aviation applications where safety, durability, and performance are paramount. Its thermal protection, three-phase design, and compliance with aviation standards make it a strong choice for aircraft electrical systems. However, its cost, specialized nature, and potential over-engineering for non-aviation uses may not justify the purchase for all users.

- **Buy if:** You are working on an aircraft, avionics system, or another high-reliability electrical application where Klixon s reputation and compliance with aviation standards are critical. The breaker s long-term reliability and safety features outweigh the higher cost in these contexts.

- **Avoid if:** You are using it for a non-aviation application where a standard thermal breaker would suffice, or if budget constraints make the premium price prohibitive. In such cases, consider alternatives like commercial-grade breakers or lower-cost aviation-specific options if available.

- **Consider alternatives:** If cost is a concern, explore other aviation-compliant breakers from reputable brands (e.g., Cutler-Hammer, Allen-Bradley) or verify if a lower-rated model meets your requirements. Always ensure the breaker s specifications align with your system s voltage, current, and environmental conditions.

Details:

Klixon Aircraft three-pole thermal aircraft circuit breaker 7276-13-10, Please see photos for details. Free shipping only applies to the 48 contiguous states.

part #: 72761310 price

• $99.99

specifications engineaviatio:

• brand: Klixon
• mpn: 7276-13-10
• type: Circuit Breaker
• country of origin: United States

returns engineaviatio:

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

seller engineaviatio:

• # reviews: 27167
• city: Anaheim, California
• rating: 99.8%

offer engineaviatio:

• started: May 4, 2026
• availability: In Stock
• sold: 0
• quantity: 3
• options: Ship-to-home

general engineaviatio:

• Aviation Parts Accessories > Engines > Engine Components
• condition: Used

payments engineaviatio:

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

shipping engineaviatio:

• class: Standard
• transit: 3-9 Days
• service: Standard
• type: Fixed
• cost: $0.00

Klixon 7276-13-10 Is Similar To:

• 7274-11-7-1-2 Klixon New Circuit Breaker (47.5% similar) Note: buyer or their representative is to determine if the item airworthy applicable and comply with all Farsi when installing part on aircraft. I will not be undersold for the same item in condition. My personal promise. New Klixon circuit breaker competitors price is 34. If you find an identical ...(January 4th, 2018)
• D-6364-1-60 Klixon Vintage Circuit Breaker (50.5% similar) Possible date code 11 60. Mechanism operates smoothly no apparent damage. Vintage unused single pole circuit breaker in new factory box...(October 10th, 2017)
• 7274-11-15 Klixon New Circuit Breaker 15 Amp (45.7% similar) New Klixon circuit breaker 15COMPETITOR'S price is a savings of, my price 29...(January 23rd, 2016)
• C-6363-1-4a-4amp Inst Klixon Vintage Aircraft Circuit Toggle Breaker (49.6% similar) This listing is for one breaker. This Klixon breaker C6363 1/4 a is new old stock...(December 1st, 2016)