• ANSI C37.52:1974

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    TEST PROCEDURES FOR LOW VOLTAGE AC POWER CIRCUIT PROTECTORS USED IN ENCLOSURES

    Available format(s): 

    Superseded date:  07-08-2023

    Language(s): 

    Published date:  01-01-1974

    Publisher:  National Electrical Manufacturers Association

    Sorry this product is not available in your region.

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    1. General
       1.1 Scope
       1.2 Related Standards
    2. General Test Conditions
    3. Design Test Requirements
       3.1 General
       3.2 Design Tests
       3.3 Test Conditions
       3.4 AC Dielectric Withstand-Voltage Test
       3.5 Continuous-Current Test
       3.6 Switching-Current Test
       3.7 Endurance Tests
       3.8 Short-Circuit Current Tests
    4. Accessory Devices
       4.1 General
       4.2 Alarm and Auxiliary Switches
       4.3 Undervoltage Trip Devices
       4.4 Mechanical Accessory Devices
    5. Treatment of Failures within Test sequences
    6. Production Tests
       6.1 General
       6.2 Calibration
       6.3 Control and Secondary Wiring and Devices Check
           Test
       6.4 AC Dielectric-Withstand Test
       6.5 No-load Operation Test
    7. Production Monitoring
    8. Revision of American National Standards Referred
       to in This Document
    Tables

    Abstract - (Show below) - (Hide below)

    Describes the test procedures for enclosed low-voltage ac power circuit protectors.

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

    Document Type Standard
    Publisher National Electrical Manufacturers Association
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    IEEE C37.20 : 69(R1981) SWITCH GEAR ASSEMBLIES AND METAL-ENCLOSED BUS
    IEEE C37.16-2009 LOW-VOLTAGE POWER CIRCUIT BREAKERS AND AC POWER CIRCUIT PROTECTORS - PREFERRED RATINGS, RELATED REQUIREMENTS, AND APPLICATION RECOMMENDATIONS
    IEEE C37.26-2014 REDLINE IEEE Guide for Methods of Power-Factor Measurement for Low-Voltage (1000 V AC or lower) Inductive Test Circuits
    IEEE 4-2013 IEEE Standard for High-Voltage Testing Techniques
    ANSI C84.1 : 2016 ELECTRIC POWER SYSTEMS AND EQUIPMENT - VOLTAGE RATINGS (60 HERTZ)
    • 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