Business area

Rectifiers

DC power - design, manufacturing and support

Electrical switchboards Rectifiers Automation Fiber optics Electrical supplies Security

We specialise in customised secure power solutions that guarantee uninterrupted operations. Promael manufactures its systems under the EMISA brand, with over 60 years of market presence.

As a manufacturer of power conversion systems for industrial applications, we help develop top-tier systems with the highest standards of manufacturing, quality and professionalism.

Discover the brand Emisa - manufactured by Promael

TelecommunicationsData centersElectrical substationsThermal power plantsOil & gasEnergy

Manufacturing

Robust, reliable and cost-effective solutions

We offer robust, reliable and cost-effective solutions to ensure service continuity in industrial, telecommunications and critical power applications.

Thyristor-based DC rectifiers for industrial environments
Robust design with over 60 years of EMISA experience
High resistance to harsh electrical and environmental conditions
Output voltages: 24 / 48 / 110 / 125 / 220 / 400 / 600 Vdc
Currents up to 2,000 A
Minimum 90% efficiency

R&D

Innovation and reliability

With a significant share of our sales invested in R&D and process improvements, we guarantee solid product and service quality for the applications we protect.

Thyristor systems with advanced control board
Digital monitoring and Modbus TCP/IP communications
Compatibility with Ni-Cd, lead-acid and lithium batteries
Compliance with IEC 60950, 60439, 60146, 62040 and CE directives

Distribution switchboards

AC/DC engineering, design and manufacturing

We design and manufacture AC/DC distribution switchboards associated with our rectification systems, integrating protection, control and monitoring for critical installations.