Klixon 7277-2 series circuit breakers are meant for use in applications that do not require military approvals. The trip-free 7277 was originally developed as an alternative to slow blow fuses and is used extensively as primary electrical circuit protection on general aviation aircraft. The military grade version of this circuit breaker is physically and electrically identical to the Klixon 7277, which has wider calibration limits.
Includes hardware.
This 7277 series circuit breaker (Alternate Part# 7277-2-20) is rated for 20 amps.
- Miniature size
- Light weight
- Trip free design
- Current ratings (0.5 to 20 amps)
- High vibration resistance
- Electrical circuit protection on general aviation aircraft
AI disclosure: this description was generated with AI assistance from this product's own listing data.
Product Codes | |
|---|---|
| Mfr Part No: | 7277-2-20 |
| ECCN: | EAR99 |
| SCHEDULE B CODE: | 8536.20.0020 |
Weight: 28 grams, maximumCurrent Rating: 20 AmpsVibrations: 10G minimum, 50–500 HzMechanical shock: 35GAcceleration: 10GInterrupt Current: 0.50–5 amps: unlimited at 28 VDC 7.50–15 amps: 2,000 amps at 28 VDC 0.50–1.50 amps: unlimited at 120 VAC, 400 Hz 2–5 amps: 800 amps at 120 VAC 400 Hz 7.50–20 amps: 500 amps at 120 VAC, 400 HzEndurance: 2,500 cycles: 120 VAC, 400 Hz inductive 2,500 cycles: 30 VDC inductive 5,000 cycles: 120 VAC, 400 Hz resistive 5,000 cycles: 30 VDC resistive 10,000 cycles: Mechanical, no load
- Stock: Warehouse
- Manufacturer Part #: 7277-2-20
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Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
- Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
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If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
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