• IEC TR 60890:1987

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    A method of temperature-rise assessment by extrapolation for partially type-tested assemblies (PTTA) of low-voltage switchgear and controlgear

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  12-09-2022

    Language(s): 

    Published date:  15-07-1987

    Publisher:  International Electrotechnical Committee

    Add To Cart

    Abstract - (Show below) - (Hide below)

    The proposed method is applicable to enclosed PTTA or partitioned sections of PTTA without forced ventilation. It is intended to determine the temperature rise of the air inside the enclosure.

    General Product Information - (Show below) - (Hide below)

    Committee TC 121/SC 121B
    Document Type Technical Report
    Publisher International Electrotechnical Committee
    Status Superseded
    Superseded By
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective