Insulation tests - Arc protection - Merging unit - Transformer protection - 2 winding - Product Guide - RET615 Transformer Protection and Control - 5.0 FP1 IEC - IEC - 24.05.2023

RET615 Product Guide

Table 1. Insulation tests
Description Type test value Reference
Dielectric tests

2 kV, 50 Hz, 1 min

500 V, 50 Hz, 1 min, communication

IEC 60255-27

Impulse voltage test

5 kV, 1.2/50 μs, 0.5 J

1 kV, 1.2/50 μs, 0.5 J, communication

IEC 60255-27

Insulation resistance measurements

>100 M Ω, 500 V DC

IEC 60255-27

Protective bonding resistance

<0.1 Ω, 4 A, 60 s

IEC 60255-27