Content

Learn how to size electrical cables according to NBR 5410, considering current, installation method, correction factors, voltage drop, protection, and...

Learn how to calculate voltage drop in single-phase and three-phase circuits, interpret the formulas, and apply the limits of NBR...

Understand design verification, routine verification, FAT, factory inspection, and the evidence required for technical acceptance of LVMSBs under the IEC...

Understand how the ABNT NBR IEC 61439 series applies to main low-voltage switchboards and low-voltage panels, including specification, design verification...

Understand Icw, Ipk and Icc in main low-voltage switchboards, the differences from circuit-breaker Icu and Ics, and how to specify...

Understand the forms of internal separation in main low-voltage switchboards, the differences between Forms 1, 2, 3 and 4, and...

Understand what a main low-voltage switchboard is, its role in low-voltage distribution, main components, differences from other boards and standards-based...

Learn the main types of industrial electrical panels and the differences between main low-voltage switchboards, distribution boards, MCCs, control panels...

Understand circuit-breaker selectivity, how protection coordination works in low-voltage systems and why it matters in main switchboards, panels and feeders.

Understand circuit-breaker breaking capacity, what kA, Icu and Ics mean, and how to compare the device with prospective short-circuit current...

Understand how to size low-voltage circuit breakers considering design current, cables, trip curve, breaking capacity, prospective short-circuit current and selectivity.

Understand what a motor circuit breaker is, how it protects electric motors against overload and short circuit, when to use...