1. Introduktion
This manual provides essential information for the safe and effective installation, operation, and maintenance of the Eaton FAZ-C10/3-NA Miniature Circuit Breaker. Please read this manual thoroughly before attempting any installation or operation. Retain this manual for future reference.
2. Sikkerhedsoplysninger
WARNING: Risk of electric shock and fire hazard. Installation and servicing must be performed by qualified personnel only.
- Always disconnect power at the main service panel before working on or near the circuit breaker.
- Brug passende lockout/tagout procedures to prevent accidental re-energization.
- Sørg for, at al ledningsføring overholder nationale og lokale elektriske forskrifter.
- Betjen ikke afbryderen, hvis den ser ud til at være beskadiget.
- Omgå aldrig eller tampmed afbryderens beskyttelsesmekanismer.
- Brug passende personlige værnemidler (PPE), herunder isolerede handsker og øjenbeskyttelse.
3. Produktbeskrivelse
The Eaton FAZ-C10/3-NA is a high-performance miniature circuit breaker designed for reliable overcurrent protection in various electrical applications. It features a 3-pole configuration, rated for 10 Amperes, and is suitable for both AC (277/480V) and DC (48V) systems. With a 10 kAIC (kiloampere interrupting capacity) rating and a C-Curve tripping characteristic, it provides protection against short circuits and overloads in circuits with moderate inrush currents. This device is UL 489 listed, ensuring compliance with safety standards.

This image shows the Eaton FAZ-C10/3-NA miniature circuit breaker, highlighting its compact design and terminal connections for DIN rail mounting. The front panel displays the brand, model, and electrical ratings.
4. Opsætning og installation
Installation of the Eaton FAZ-C10/3-NA circuit breaker must be performed by a qualified electrician in accordance with all applicable electrical codes and standards.
4.1 Montering
- The FAZ-C10/3-NA is designed for DIN rail mounting.
- Ensure the DIN rail is securely fastened within an appropriate enclosure.
- Snap the circuit breaker onto the DIN rail by hooking the top edge onto the rail and pressing down until it clicks into place.
4.2 Ledningsføring
- Before wiring, ensure all power to the circuit is OFF and verified with a voltage tester.
- Connect the incoming power conductors to the top terminals of the circuit breaker.
- Connect the load conductors to the bottom terminals of the circuit breaker.
- Ensure all terminal screws are tightened to the manufacturer's specified torque settings to prevent loose connections and potential overheating.
- Verify correct polarity for DC applications.
5. Betjening
The Eaton FAZ-C10/3-NA circuit breaker provides automatic protection against overcurrents. Its operation is straightforward:
5.1 Tænd/sluk
- To turn the circuit ON, push the toggle handle to the 'ON' (upward) position.
- To turn the circuit OFF, push the toggle handle to the 'OFF' (downward) position.
5.2 Tripping and Resetting
- In the event of an overload or short circuit, the circuit breaker will automatically 'trip' to the center position, interrupting the circuit to prevent damage.
- Before resetting a tripped breaker, identify and correct the cause of the overload or short circuit.
- To reset, first push the handle fully to the 'OFF' position, then push it to the 'ON' position.
- If the breaker immediately trips again, do not force it. Consult a qualified electrician.
6. Vedligeholdelse
The Eaton FAZ-C10/3-NA miniature circuit breaker is designed for maintenance-free operation under normal conditions. However, periodic inspection is recommended.
- Visuel inspektion: Undersøg regelmæssigt afbryderen for tegn på fysisk skade, misfarvning eller løse forbindelser.
- Rensning: Rengør om nødvendigt forsigtigt ydersiden af afbryderen med en tør, fnugfri klud. Brug ikke opløsningsmidler eller slibende rengøringsmidler.
- Ingen dele, der kan serviceres af brugeren: The circuit breaker contains no user-serviceable parts. Do not attempt to open or repair the unit.
7. Fejlfinding
If you encounter issues with your Eaton FAZ-C10/3-NA circuit breaker, consider the following common scenarios:
7.1 Breaker Trips Frequently
- Overbelaste: The circuit may be drawing more current than the breaker's 10A rating. Reduce the load on the circuit.
- Kortslutning: En direkte forbindelse mellem fase- og neutral-/jordledninger. Dette kræver øjeblikkelig undersøgelse af en kvalificeret elektriker.
- Defekt apparat: Disconnect appliances one by one to identify a faulty device.
7.2 Breaker Does Not Reset
- Ensure the handle is pushed fully to the 'OFF' position before attempting to reset to 'ON'.
- If it still does not reset, there might be a persistent fault or internal damage. Do not force the handle. Contact a qualified electrician.
7.3 No Power to Circuit
- Check if the circuit breaker is in the 'ON' position.
- Verify that the main power supply to the panel is active.
- If other breakers in the panel are working, the issue might be isolated to this circuit or the breaker itself.
For persistent or complex issues, always consult a qualified electrician.
8. Specifikationer
| Feature | Specifikation |
|---|---|
| Mærke | Eaton |
| Model | FAZ-C10/3-NA |
| Nuværende vurdering | 10 Amps |
| Antal poler | 3 |
| Voltage AC | 277/480 volt |
| Voltage DC | 48 volt |
| Interrupting Capacity (AIC) | 10 kA |
| Trippingskurve | C-Curve (5-10X In) |
| Monteringstype | DIN-skinneophæng |
| Standarder | UL 489 |
| Varens vægt | 0.36 kilo |
9. Garanti og support
For specific warranty information, please refer to the documentation provided at the time of purchase or contact Eaton directly. Eaton stands behind the quality of its products.
For technical support, product inquiries, or service, please visit the official Eaton website or contact their customer service department. Ensure you have your product model number (FAZ-C10/3-NA) and any relevant purchase details available when seeking support.