The 452 series single-pole, thermal-magnetic, high performance circuit breakers offer a trip-free, tease-free, snap action design with push/pull on/off actuation. An indicator band offers a clear visual indication of the circuit breakers position. Typical applications for the 452 series include extra-low voltage wiring systems on all types of vehicles for land, sea, and air.
This circuit breaker (Alternate Part# K34LN2125A) has M6 reinforced screw terminals, a 125 amp capacity, and designed for aircraft applications.
Includes:
- Nut & washer key plate
- Screws for terminals
Product Codes | |
|---|---|
| Mfr Part No: | 452-K34-LN2-125A |
| ECCN: | EAR99 |
| SCHEDULE B CODE: | 8536.20.0020 |
Weight: 122 g, approx.Voltage Rating: 28 VDCCurrent Rating: 125 AAux Circuit: 0.5 A, 28 VDCTypical Life: 2,500 operationsAmbient Temperature: -55°C to 75°C (-67°F to 167°F)Dielectric Strength: 1,5000 VAC (IEC 60664 & 60664A) operating areaVibration: 10 g (55-2000 Hz), ± 0.76 mm (10-55 Hz) to VG 95210, sheet 19, IEC 60068-2-6, test FcShock: 50 g (11 ms) to VG 95210, sheet 28, IEC 60068-2-27, test EaCorrosion: 96 hours at 5 % salt mist to VG 95210, sheet 2, IEC 60068-2-11, test KaHumidity: 240 hours at 95 % RH to VG 95210, sheet 7, IEC 60068-2-3, test CExplosion: to VG 95210, sheet 10, MIL-STD-202, meth. 109
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: 452-K34-LN2-125A
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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 to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- 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.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
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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