Lumière nocturne 50124R

Nilight 40A Inline Circuit Breaker

Modèle : 50124R

Manuel d'instructions

1. Produit terminéview

The Nilight 40A Inline Circuit Breaker is a resettable 12-24V DC manual reset fuse holder designed to provide overload protection for various electrical systems. It eliminates the need for traditional inline fuses, offering a convenient manual reset button that can also function as a kill switch. This device is suitable for car audio systems, low-voltage and high-current electrical equipment, RVs, marine applications, trucks, and solar inverters.

Nilight 40A Inline Circuit Breaker showing connection points and manual reset lever.
Figure 1 : Plusview of the Nilight 40A Inline Circuit Breaker, highlighting its connection terminals and manual reset mechanism.

2. Principales caractéristiques

  • Manual Reset Function: Features a manual reset button, eliminating the need to replace blown fuses.
  • Protection contre les surcharges : Automatically disconnects the circuit when current exceeds the rated amperage, protecting connected electrical appliances.
  • Construction durable : Manufactured from alloy materials with a water-resistant cover, ensuring good conductivity and resistance to temperature and pressure.
  • Application polyvalente : Ideal for auxiliary and accessory circuits in trucks, buses, RVs, ATV winches, marine vessels, battery chargers, and DC sound ampsystèmes de lification.
  • Kill Switch Capability: The unique push-button reset mechanism can also serve as a convenient kill switch for immediate power disconnection.
Icons representing waterproof, good conductivity, temperature resistance, pressure resistance, and easy installation for the circuit breaker.
Figure 2: Key features of the circuit breaker, including its robust design and ease of installation.

3. Spécifications

AttributDétail
MarqueLumière du jour
Numéro de modèle50124R
Évaluation actuelle40 Amps
Voltage12-24 volts CC
Type de disjoncteurStandard, Manual Reset
Type de montageScrew Mount (Surface Mount)
Nombre de pôles2
Poids de l'article3.7 onces
Dimensions du colis4.37 x 2.01 x 1.73 pouces
Diagram showing the dimensions of the Nilight 40A Inline Circuit Breaker: 110mm/4 inches in length, 42mm/1.65 inches in width, and 39mm/1.54 inches in height.
Figure 3: Physical dimensions of the circuit breaker.

4. Guide d'installation

The Nilight 40A Inline Circuit Breaker is designed for surface mounting on a panel or firewall. Ensure the mounting location is secure and provides adequate clearance for wiring and operation.

Connexions de câblage :

  1. Identify the positive (+) terminal of your battery and the positive (+) input of the electrical appliance you wish to protect.
  2. Connect one end of the circuit breaker to the positive pole of the battery.
  3. Connect the other end of the circuit breaker to the positive pole of the electrical appliance.
  4. Assurez-vous que toutes les connexions sont bien serrées et sécurisées afin d'éviter les faux contacts et les risques d'arcs électriques.

Compatibilité des calibres de fil :

The circuit breaker supports various wire gauges:

  • For wires of 3-15 AWG, use with the inner core installed. The inner core opening is approximately 0.236 inches.
  • For wires of 0-10 AWG, remove the inner core. The opening without the inner core is approximately 0.336 inches.
Diagram showing two solutions for wire connections: Solution A for 3-15 AWG with inner core (0.236 inch opening) and Solution B for 0-10 AWG without inner core (0.336 inch opening).
Figure 4: Wire gauge compatibility and connection solutions.

Montage:

The circuit breaker is designed for surface mounting. Use appropriate screws (not included) to secure the unit to a flat surface. Ensure the mounting holes are accessible and do not interfere with wiring.

Collage of images showing the circuit breaker installed in various applications: a boat, a truck, an RV, and an ATV.
Figure 5 : Examples of wide application in marine, automotive, and recreational vehicles.

5. Fonctionnement

The Nilight 40A Inline Circuit Breaker features a simple manual reset mechanism for ease of use.

Protection du circuit:

When the current in the circuit exceeds the rated 40 Amps, the internal mechanism of the circuit breaker will automatically trip, disconnecting the power to protect your electrical system from overload damage. The red lever will pop out, indicating a tripped state.

Réinitialisation manuelle :

To reset the circuit breaker after it has tripped, simply push the red lever back into its original position. This will re-establish the connection and restore power to the circuit. Ensure the cause of the overload has been addressed before resetting to prevent immediate re-tripping.

Kill Switch Function:

The manual reset lever can also be used as a kill switch. By manually pushing the lever to the 'off' position, you can intentionally disconnect power to the circuit, providing an immediate shut-off capability for maintenance or safety purposes.

Diagram showing the resettable switch button in both connected and disconnected states. The red lever is pushed in for connected and popped out for disconnected.
Figure 6: Resettable switch button operation: connected (lever in) and disconnected (lever out).

6. Maintenance et entretien

The Nilight 40A Inline Circuit Breaker is designed for durability and minimal maintenance.

  • Nettoyage: Periodically inspect the circuit breaker for dirt, dust, or corrosion. Clean the exterior with a dry, soft cloth. Avoid using harsh chemicals or abrasive cleaners.
  • Résistance à l'eau : The unit features a water-resistant cover. While designed to withstand splashes, it is not intended for submersion. Ensure the cover remains intact and properly sealed.
  • Intégrité de la connexion : Regularly check all wiring connections to ensure they remain tight and free from corrosion. Loose connections can lead to poor performance or overheating.
  • Facteurs environnementaux : Although built with strong temperature and pressure resistance, avoid exposing the unit to extreme temperatures or direct, prolonged sunlight that could degrade materials over time.

7. Dépannage

Déclenchement fréquent du disjoncteur :

  • Identify Overload: Frequent tripping indicates an excessive current draw. Disconnect non-essential devices from the circuit to identify the source of the overload.
  • Vérifiez le câblage : Inspect all wiring for shorts, frayed insulation, or incorrect connections.
  • Appliance Fault: A faulty appliance or component connected to the circuit may be drawing too much current. Test appliances individually if possible.
  • Incorrect Ampâge : Ensure the 40A rating of the circuit breaker is appropriate for the total current draw of your connected devices. If the normal operating current consistently approaches or exceeds 40A, a higher-rated circuit breaker may be required (e.g., 50A or 60A, if compatible with your system).

Circuit Breaker Does Not Reset:

  • Persistent Overload: If the overload condition is still present, the breaker may immediately trip again or resist resetting. Resolve the overload before attempting to reset.
  • Dommages internes : In rare cases, severe overcurrent or physical damage can cause the internal mechanism to fail. If the breaker cannot be reset after confirming no overload, it may need replacement.

8. Contenu du colis

Votre colis devrait contenir les éléments suivants :

  • 1 x Nilight 12V-24V DC 40A Auto Audio Circuit Breaker Reset Fuse Holder

9. Garantie et assistance

For any questions, technical assistance, or warranty inquiries regarding your Nilight 40A Inline Circuit Breaker, please contact Nilight customer support through their official website or the retailer where the product was purchased. Please have your model number (50124R) and purchase information ready when contacting support.

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