Through INNOVATION and PEOPLE, we want to drive the evolution of ENERGY MANAGEMENT in Brazil and Latin America.
We are SERTA TRANSFORMADORES, the leader in the supply of Electric Energy Metering Units and Systems for the medium and low voltage market, aimed at fraud prevention and loss control in energy distribution.
Our history has always been marked by the relentless pursuit of innovation and a commitment to people. With a highly specialized team, we are constantly evolving our portfolio, which prioritizes agile service and customizable solutions for our clients, bringing greater efficiency and control over energy distribution.
Discover our solutions
Fighting Energy Fraud and Loss every day.
This is where experience and technology meet
The customer as the focus of the business
Professional ethics and good production practices
Commitment to and respect for human capital
Valuing initiative and creativity at work
Respect for the environment
Our clients
Over 50 years of history
Foundation
On December 6, 1971, Serta Ltda. was founded in Nova Lima (MG). The name was inspired by the services the company offered: Serviços, Eletrônicos, Rádio, Televisão e Amplificadores (Services, Electronics, Radio, Television and Amplifiers). It operated as a radio and television repair shop.
Start of manufacturing
The corporate name changes to Serta Indústria e Comércio Ltda. Manufacturing of coils and transformers for radio and television begins, and supply expands to electronics stores.
Distribution transformers
Start of distribution transformer refurbishment for power utilities. Expansion of the repair line and creation of new testing laboratories.
New headquarters in Santa Luzia
Move to its own headquarters in Santa Luzia (MG). Increased production capacity and modernization of the testing laboratories.
Current and voltage transformers
Launch of the Verde e Amarelo (Green and Yellow) line, 100% Brazilian.
Feature in Vida Industrial magazine
Featured in a Vida Industrial magazine report, which recognized the implementation of its quality and productivity system.
Feature in Veja magazine
Serta appears in Veja magazine on October 23, 1991, consolidating its reputation in the Brazilian power sector.
Recognition as a manufacturer
Consolidation as a leader in CTs and VTs up to 69 kV. Expansion of the line using cycloaliphatic resin. Recognition by CEMIG as the best distribution transformer refurbisher in Minas Gerais.
First generation
Launch of the 1st generation of the 15 kV class dry-type Metering Unit.
Second generation
Presentation of the 2nd generation of the Metering Unit, with new contracts and product improvements.
Expansion and modernization
Factory expansion and full focus on supplying Metering Units. Discontinuation of the refurbishment lines and of the stand-alone manufacturing of CTs and VTs.
A new concept in metering
Type approval of the new outdoor metering concept. Product approved by the main utilities, replacing the old primary cabins.
ISO 9001 Certification
Official recognition of quality management, reaffirming the commitment to excellence in processes.
30,000 units
Milestone of 30,000 units supplied to the market.
Fourth generation
Launch of the 4th generation of the Metering Unit: modern design, lower weight and reduced dimensions.
ISO 14001 Certification
Commitment to the environment and to efficient environmental management.
50 years and ISO 45001
Celebration of Serta’s 50 years of history and achievement of ISO 45001 certification, reinforcing the focus on occupational health and safety.
CIDET, 17.5 kV and 24 kV
Achievement of CIDET certification, launch of the 17.5 kV and 24 kV equipment and revitalization of the low-voltage line.
Disconnect/reconnect and 36 kV
Launch of the disconnect and reconnect unit and development of the 36 kV equipment, expanding the portfolio of solutions for the power sector.
SENDI
Participation in SENDI, strengthening Serta’s presence at one of the main events of the Brazilian power sector.
Latin America
Consolidation of the expansion into Latin America, taking Serta’s technology and engineering to new markets.
