Voltius

Helps with electrical conductor sizing based on NBR 5410. Fast calculation of conductor size, voltage drop, and correction factors for engineers and electricians.

Voltius is an electrical conductor sizing app based on the guidelines of NBR 5410, designed for engineers, electricians, and technicians who need fast and accurate calculations in the field or office.

FEATURES 9 installation methods: A1, A2, B1, B2, C, D, E, F, and G Copper (Cu) and aluminum (Al) conductors PVC 70°C and EPR 90°C insulation types Voltage drop calculation (VD) with automatic conductor resizing Temperature correction factors (in accordance with NBR 5410) Grouping factors — based on tables 42 and 43 of NBR 5410 Support for parallel and multicore conductors Automatic mm² ↔ AWG conversion Automatic neutral conductor sizing Light and dark mode Available in Portuguese, English, and Spanish WHO IT’S FOR

Voltius is designed for professionals working with low-voltage electrical installations who require reliable conductor sizing aligned with Brazilian standard practices.

REFERENCE STANDARD

NBR 5410:2004 — Low-voltage electrical installations

This application is a support tool and does not replace consultation of the official standard. All calculations should be validated by a qualified professional.