1. Mawu Oyamba
This manual provides essential information for the safe and effective installation, operation, and maintenance of your Legrand DNX 4500 Circuit Breaker. This device is designed for the protection of your electrical installation, ensuring safety and reliability. Please read this manual thoroughly before proceeding with any installation or operation.
The Legrand DNX 4500 is a Uni + Neutral 230 V circuit breaker with a 4.5 kA breaking capacity, suitable for various electrical panel applications. It is compatible with Legrand Drivia electrical panels and horizontal combs, conforming to the NF EN 60898-1 standard.
2. Zambiri Zachitetezo
CHENJEZO: Electrical work should only be performed by qualified and authorized personnel. Failure to follow these safety instructions can result in electric shock, fire, serious injury, or death.
- Always disconnect power at the main service panel before installing, servicing, or removing the circuit breaker.
- Gwiritsani ntchito zida zoyenera zodzitetezera (PPE), monga magolovesi otsekeredwa ndi magalasi oteteza chitetezo.
- Onetsetsani kuti mawaya onse ndi otetezeka komanso akutsatira ma code amagetsi a m'deralo ndi dziko lonse.
- Do not use the circuit breaker if it appears damaged.
- Tsimikizirani voliyumutage and current ratings of the circuit breaker match your application requirements.
- This device is designed for indoor use in dry locations unless otherwise specified.
3. Zamalonda Zathaview
The Legrand DNX 4500 Circuit Breaker (Model LEG406773) is a miniature circuit breaker designed for overcurrent protection in electrical circuits. Key features include:
- Uni + Neutral 230 V: Designed for single-phase circuits with neutral.
- DNX² 4500 - 4.5 kA: Indicates a breaking capacity of 4.5 kiloampere.
- Mavoti Apano: 10 Amps.
- Mitundu Yolumikizira: Supports screw/screw and car/car connections for versatile installation.
- Feed Controls: Integrated controls for managing power flow.
- Kugwirizana: Compatible with Legrand Drivia electrical panels and horizontal combs.
- Chitsimikizo: Conforms to NF EN 60898-1 standard.

Chithunzi 1: Patsogolo view of the Legrand DNX 4500 Circuit Breaker. This image shows the grey casing, the toggle switch for operation, and the branding.
4. Kukhazikitsa ndi Kuyika
Installation of the Legrand DNX 4500 Circuit Breaker must be performed by a qualified electrician in accordance with all applicable electrical codes and standards.
- Kuyimitsa Mphamvu: Before beginning any work, ensure that the main power supply to the electrical panel is completely disconnected and locked out.
- Kukwera: The circuit breaker is designed for panel mounting. Securely attach the breaker to the DIN rail within the electrical panel.
- Kulumikiza kwa Wiring:
- Connect the incoming phase (Uni) and neutral (N) wires to the designated terminals.
- Connect the outgoing load wires to the corresponding terminals.
- Ensure all screw terminals are tightened to the manufacturer's specified torque to prevent loose connections and overheating.
- The circuit breaker supports both screw/screw and car/car connection types.
- Kuwona Kugwirizana: Ensure compatibility with Legrand Drivia electrical panels and horizontal combs for proper integration.
- Chitsimikizo: After installation, double-check all connections and ensure the breaker is securely mounted.
- Kubwezeretsa Mphamvu: Once installation is complete and verified, restore power to the main service panel.
5. Malangizo Ogwiritsira Ntchito
The Legrand DNX 4500 Circuit Breaker operates as a protective device for your electrical circuits.
- ON Udindo: To energize the circuit, push the toggle switch to the "ON" position (typically upwards).
- ZITSITSA Udindo: To de-energize the circuit, push the toggle switch to the "OFF" position (typically downwards).
- Malo Oyenda: If an overcurrent or short circuit occurs, the circuit breaker will automatically trip to an intermediate position (often center or fully down, depending on the model) to protect the circuit.
- Kukhazikitsanso Tripped Breaker:
- First, identify and correct the cause of the trip (e.g., unplug overloaded appliances, fix short circuits).
- Push the toggle switch firmly to the "OFF" position.
- Then, push the toggle switch to the "ON" position to restore power.
- If the breaker trips immediately again, do not attempt to reset it repeatedly. Consult a qualified electrician.
6. Kusamalira
The Legrand DNX 4500 Circuit Breaker is designed for long-term, reliable operation with minimal maintenance. However, periodic checks are recommended:
- Kuyang'anira Zowoneka: Nthawi ndi nthawi fufuzani chodulira mawaya kuti muwone ngati pali zizindikiro zilizonse za kuwonongeka kwakuthupi, kusintha kwa mtundu, kapena kulumikizana kosasunthika.
- Kuyeretsa: Keep the area around the circuit breaker clean and free from dust and debris. Use a dry, soft cloth for cleaning; never use liquids.
- Kuyendera akatswiri: It is advisable to have your electrical system, including circuit breakers, inspected by a qualified electrician periodically (e.g., every 5-10 years) to ensure continued safe operation.
- Palibe Tamper: Never attempt to open or repair the circuit breaker yourself. Refer all servicing to qualified personnel.
7. Mavuto
If you encounter issues with your Legrand DNX 4500 Circuit Breaker, consider the following common scenarios:
- Maulendo Ophwanya pafupipafupi:
- Zochulukira: Deralo likhoza kukhala likujambula kwambiri. Chotsani zida zina pagawo.
- Short Dera: A direct connection between live and neutral/ground wires. This requires immediate investigation by an electrician.
- Chipangizo Cholakwika: An appliance connected to the circuit may be defective. Try isolating appliances to identify the culprit.
- Breaker Sakukhazikitsanso:
- Ensure the cause of the trip has been resolved.
- Push the switch firmly to the "OFF" position before attempting to reset to "ON".
- If it still doesn't reset, the breaker itself might be faulty, or there's a persistent fault in the circuit. Do not force it; consult an electrician.
- Palibe Mphamvu Yozungulira (Breaker ON):
- Onani ngati zosweka zina mu gululo zapunthwa.
- Verify main power supply to the panel.
- Inspect wiring connections for looseness or damage (with power off).
- If all checks fail, the breaker may be defective.
For persistent issues or if you are unsure, always contact a qualified electrician.
8. Zofotokozera
| Mbali | Kufotokozera |
|---|---|
| Mtundu | Legrand |
| Nambala ya Model | LEG406773 |
| Mawerengedwe Apano | 10 Amps |
| Voltage | 230 volts |
| Mtundu Wodzigulitsira Wamadera Ozungulira | Standard (Miniature Circuit Breaker) |
| Kuphwanya Mphamvu | 4.5 kA pa |
| Number of Poles | 1 (Uni + Neutral) |
| Mtundu Wokwera | Panel Mount (DIN rail compatible) |
| Mitundu Yolumikizira | Screw/Screw, Car/Car |
| Mtundu | Imvi |
| Zakuthupi | Polyamide-imide |
| Kulemera kwa chinthu | 3.52 pawo |
| Chitsimikizo | EN 60898-1 |
| UPC | 793518542826 |
9. Chitsimikizo ndi Thandizo
Legrand products are manufactured to high-quality standards. For specific warranty information, please refer to the documentation provided with your purchase or visit the official Legrand webmalo.
For technical support, product inquiries, or assistance with installation, please contact Legrand customer service or your local authorized distributor. Contact information can typically be found on the official Legrand webtsamba: www.legrand.com





