Electrical maintenance services
Preventive and corrective electrical maintenance
Electrical systems are the energy backbone of any infrastructure. To ensure their performance, durability, and operational safety, a well-structured maintenance program is essential.
The reliability of your installations starts with rigorous maintenance
Entreprise Électrique MJL offers comprehensive maintenance, inspection, and troubleshooting services for all types of electrical installations—whether industrial, commercial, institutional, or high-voltage networks.
With the support of MJL Systèmes Automation and Ligne STE, we provide a uniquely integrated expertise capable of intervening throughout the entire lifecycle of your electrical and automated systems.
A proactive approach to preventing breakdowns
At Entreprise Électrique MJL, we prioritize a preventive rather than reactive approach. Our maintenance programs are designed to minimize the risk of failure, extend the lifespan of your equipment, and reduce costs associated with production downtime.
Inspection and maintenance of electrical components
Complete visual and mechanical inspection of your distribution panels, circuit breakers, and wiring. We identify signs of wear, corrosion, or overheating to prevent failures before they occur.
Medium and high-voltage maintenance
Maintenance of MV/HV installations. In collaboration with our specialized partner, we maintain your transformers, disconnect switches, and private substations. This includes oil analysis, insulator cleaning, and grounding verification to ensure the safety of your main power supply.
Infrared thermography for hot spot detection
A non-destructive technique that detects overheating invisible to the naked eye (loose connections, phase imbalance) without interrupting production. A detailed report is included for insurance purposes.
Maintenance of automated systems
Inspection and cleaning of control panels, programmable logic controllers (PLCs), and variable frequency drives. We verify ventilation, connection tightness, and proper instrumentation operation to prevent overheating and ensure continuous process stability.
Inspection et entretien des composantes électriques
Inspection visuelle et mécanique complète de vos panneaux de distribution, disjoncteurs et câblage. Nous identifions les signes d’usure, de corrosion ou de surchauffe pour prévenir les bris avant qu’ils ne surviennent.
Maintenance moyenne et haute Tension
Entretien des installations MT/HT En collaboration avec notre partenaire spécialisé, nous assurons l’entretien de vos transformateurs, sectionneurs et postes électriques privés. Cela inclut l’analyse d’huile, le nettoyage des isolateurs et la vérification des mises à la terre pour garantir la sécurité de votre alimentation principale.
Thermographie infrarouge pour la détection des points chauds
Une technique non destructive permettant de détecter les surchauffes invisibles à l’œil nu (connexions desserrées, déséquilibre de phases) sans interrompre votre production. Rapport détaillé inclus pour vos assurances.
Analyse d’onde électrique et mesure du facteur de puissance
Nos experts évaluent la consommation et l’efficacité de vos installations pour proposer des solutions d’optimisation énergétique qui réduisent vos coûts d’exploitation.
Tests d’isolation, continuité et performance
Nous produisons tous les documents techniques requis (devis, dessins d’atelier et fiches de conformité) pour assurer une planification claire et une exécution sans erreur de vos projets.
Maintenance des systèmes automatisés
Inspection et nettoyage de vos panneaux de contrôle, automates (PLC) et variateurs de vitesse. Nous vérifions la ventilation, le serrage des connexions et le bon fonctionnement de l’instrumentation pour prévenir les surchauffes et assurer la stabilité continue de vos procédés.
Each intervention is planned to minimize impact on your operations and is fully documented to ensure comprehensive tracking of the electrical performance of your installations.
Emergency service
In the event of a breakdown or incident, our emergency teams are available 24 hours a day, 7 days a week to quickly diagnose and repair any electrical issue.
Thanks to our collaboration with Ligne STE for power systems and MJL Systèmes Automation for automated systems, we ensure fast and safe restoration of service, even in the most critical situations.
Electrical emergency or production shutdown?
Do you need to perform preventive electrical maintenance?
Choosing Entreprise Électrique MJL means relying on recognized technical expertise, constant availability, and a strong commitment to the reliability of your installations. We work alongside you to ensure your electrical systems remain high-performing, compliant, and safe, day after day.