Italian technology for the electrical industry

Since 1985, in Lodi

Italian technology for the electrical industry

For more than forty years, Contrel elettronica has designed and manufactured solutions for electrical measurement, monitoring and protection.

Founded in 1985 in Lodi, Italy, the company remains privately owned and family-operated. Technical expertise, in-house development and a strong focus on quality guide our work and have made Contrel a trusted partner for customers in more than 100 countries worldwide.

Our portfolio includes residual current relays, network analyzers, energy meters, alarm systems and insulation monitoring devices, developed for industrial and infrastructure applications where reliability and continuity of service are essential.

Certifications Sustainability

1985 Year founded

100+ Countries served worldwide

Lodi Headquarters and development in Italy

In-house expertise

Designed and developed in-house

From concept to finished product, we integrate engineering, development, manufacturing and testing to maintain direct control over the most critical stages.

From electronic design through production and testing, critical stages are managed at our headquarters in Lodi. This approach helps us shorten development cycles, maintain a high degree of customization and respond quickly to market requirements.

Our Research & Development and technical teams continuously explore new technologies and solutions to improve performance, efficiency and product reliability under real industrial operating conditions.

Research & Development

Electronic design, firmware development and continuous evolution of our solutions.

In-house manufacturing

Direct control of key production stages at our headquarters in Lodi.

Testing & quality

Functional testing and dedicated controls designed to ensure long-term reliability.

Technical support

Technical expertise to support customers in product selection and application.

Responsibility

Innovation and sustainability

At Contrel, sustainability is an integral part of the way we design, manufacture and operate.

We invest in reducing our environmental impact through responsible energy use, waste reduction and the adoption of renewable technologies. Our photovoltaic system contributes to clean energy generation and lower CO₂ emissions, while a focus on efficiency accompanies every stage of our work.

Discover our commitment

Quality, environment and sustainability

Recognised quality and sustainability

Certifications, technical assessments and independent ratings document our commitment to quality, reliability and sustainability. ISO 9001:2015, RINA, EcoVadis and Synesgy highlight different and complementary aspects of the way we operate.

ISO 9001:2015

Quality management system certified by IMQ according to the ISO 9001:2015 standard.

Certificate no. 9105.CO35 · valid until 20 Apr 2027 View document

RINA

RINA product certifications for EMS-96/EMA-90N, Compalarm E and EMA-D6/EMS-D6/RDU for marine applications.

3 product certificates available View RINA certificates

EcoVadis

EcoVadis sustainability rating with Committed recognition, November 2025.

Committed · Sustainability Rating · November 2025

SYNESGY

ESG assessment performed through the Synesgy platform, with a B – Good score.

ESG Score B · Good · valid until 4 Jun 2027 View document

View all certifications

Updates

Latest News

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08/24/2026

EMS-D3: new compact multifunction digital multimeter for electrical monitoring

Contrel introduces EMS-D3, the new 3-DIN-module multifunction digital multimeter designed for comprehensive monitoring of three-phase electrical parameters, featuring a backlit LCD display, energy analysis, THD measurement, digital outputs and Modbus communication.

The new Contrel 2026 Catalogue is now available

The new Contrel 2026 Catalogue is now online, providing an updated overview of Contrel solutions for electrical measurement, protection, control and monitoring applications.

HFL-12: fast and accurate insulation fault location for up to 12 circuits

Contrel introduces HFL-12, the new digital insulation fault locator designed to quickly identify the circuit affected by an insulation fault in low-voltage IT systems, with monitoring of up to 12 channels.

ABOUT USExperience, innovation and Made in Italy reliability