Environmental tests - Arc protection - Merging unit - Transformer protection - 2 winding - Product Guide - RET615 Transformer Protection and Control - Relion 615 series - 5.0 FP1 IEC - IEC - 24.05.2023

RET615 Product Guide
Table 1. Environmental tests
Description Type test value Reference
Dry heat test
  • 96 h at +55ºC
  • 16 h at +85ºC 1
 IEC 60068-2-2
Dry cold test
  • 96 h at -25ºC
  • 16 h at -40ºC
 IEC 60068-2-1
Damp heat test
  • 6 cycles (12 h + 12 h) at +25°C…+55°C, humidity >93%
 IEC 60068-2-30
Change of temperature test

  • 5 cycles (3 h + 3 h)

    at -25°C...+55°C

 IEC60068-2-14
Storage test
  • 96 h at -40ºC
  • 96 h at +85ºC

IEC 60068-2-1

IEC 60068-2-2
1 For relays with an LC communication interface the maximum operating temperature is +70 oC