We design and manufacture in Lodi residual current protection relays, trip circuit supervision devices and power network analyzers for the protection and monitoring of low-voltage electrical systems
A selection of Contrel solutions for measurement, protection, control and energy management in industrial applications.
Compact Type B earth leakage relay for installation inside electrical panels, with 2 operating thresholds (alarm and trip), LCD display and built-in current transformer (CT) Ø35 mm, for the detection of alternating (AC), pulsating and smooth direct (DC) residual currents.
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EMA-90N WEB NG is Contrel’s new power network analyzer designed for advanced monitoring of electrical parameters and energy consumption. Thanks to web connectivity and integration with the ConSight platform, it provides simple and immediate access to consumption data and energy analysis. With the AI application “Talk to Your Data”, users can also query plant data using natural language and quickly obtain analyses, comparisons and summaries.
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Device for insulation monitoring in medical IT systems, with continuous system control, Modbus RS-485 and optional fault location of up to 6 circuits.
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ConSight is Contrel’s cloud platform for energy monitoring and management. Consumption, production, costs and key electrical parameters are brought together in a single dashboard, accessible from PCs, tablets and smartphones.
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Earth leakage relay type B, 2 operating thresholds, modular with display, external toroid, auxiliary supply 230VAC
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Compact and versatile network analyzer for energy monitoring, basic power quality and asset management. Thanks to its wide voltage range and multi-range power supply, EMA-D6 can be used in low- and medium-voltage systems up to 690 VAC. Communication is available via RS-485 or Ethernet, with up to 4 digital inputs and multifunction digital outputs for alarm management.
Read MoreContrel Elettronica is an Italian industrial manufacturer specializing in electronic devices for electrical measurement and protection.
Hardware and firmware fully developed by our internal engineering team
Design and manufacturing carried out entirely in Italy
Devices engineered for demanding applications and continuous operation
Clear documentation to support product evaluation and system integration
We combine decades of expertise with continuous R&D to bring forward technologies that solve real-world electrical challenges.
Among the first Italian companies certified ISO 9001, we uphold rigorous quality systems across design, production, and support.
From initial consulting to after-sales assistance, our technical team ensures you get the right solutions, installed and maintained with excellence.
We actively reduce our environmental footprint — including powering facilities with onsite solar generation — reflecting our long-term commitment to sustainability.
Product news, technical updates and developments from the company.
With ConSight’s new AI-powered feature, energy data becomes even easier to access and understand. Users can ask questions in natural language and quickly obtain information, comparisons and insights based on their plant data.
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ConSight is Contrel’s cloud solution for energy monitoring and management. Consumption, production, costs and key electrical parameters are brought together in a single dashboard, accessible from PCs, tablets and smartphones.
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A compact, reliable and ready-to-use solution for remote disconnection management in wind and photovoltaic plants.
Read MoreOur team is ready to help you choose the right solution.
Solve your industry challenges.
For over nearly four decades, Contrel elettronica has been designing and manufacturing low voltage electrical devices for industrial applications. Founded in 1985 in Lodi, Italy, Contrel elettronica is a privately owned company and has been managed by the same family.
#9, via San Fereolo,
26900 LODI (LO) Italy
© 2026 Contrel elettronica s.r.l. • All rights reserved. • VAT IT08051910159