
Technical Precision for Safe and Efficient Electrical Installations
Residential
Commercial
Industrial
Accurate sizing of electrical loads, circuits, and protection systems is the foundation of safe and efficient electrical installations. At Trastamaris Electrical, we use specialized engineering software and applicable ABNT standards, including NBR 5410, to ensure that your electrical system operates reliably without overloads, short circuits, or unnecessary energy losses.
Why Proper Electrical Sizing Matters
Incorrect electrical sizing can lead to critical failures such as cable overheating, frequent circuit breaker trips, equipment damage, and even electrical fires. Our services include:
– Electrical demand calculations based on the actual use of the facility.
– Selection of protection devices such as circuit breakers, surge protection devices, and RCDs according to applicable standards.
– Phase balancing for three-phase electrical systems.
– Detailed technical reports for inspections, approvals, and compliance.
An optimized electrical design can also reduce energy losses and improve the overall efficiency of the installation.

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Ready to Start Your Project?
Contact our engineering team for a technical assessment and receive a customized electrical design tailored to your operational requirements.


