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NEK EN 50525-2-21:2011

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EN 50525-2-21 applies to flexible cables, insulated with crosslinked elastomeric compound, and sheathed with either crosslinked elastomeric compound or thermoplastic polyurethane (TPU).The cables are of rated voltages U0/U up to and including 450/750 V.The cables are intended for a variety of applications where appliances or equipment, including heavy industrial equipment, require a flexible connection to the power supply.The maximum conductor operating temperatures for the cables in this standard are 60 °C (R types), 90 °C (B types) and 110 °C (G types).The following particular cable types are included:- General purpose cables (RR and RN types);- Water-resistant cables (RN8 types);- General purpose cables (BB and BN4 types);- TPU sheathed cables (BQ types);- Heat resistant cables (GG types)NOTE HD 516 contains extensive guidance on the safe use of cables in this standard.This EN 50525-2-21 should be read in conjunction with EN 50525-1, which specifies general requirements.

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  • Standard fra NEK
  • Publisert:
  • Utgave: 1
  • Versjon: 1
  • Varetype: NAT
  • ICS 29.060.20
  • National Committee NEK/NK20

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