ANSI C37.52:1974

Superseded

View Superseded by

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

Superseded date

07-08-2023

Published date

01-01-1974

Publisher

National Electrical Manufacturers Association

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

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

DocumentType	Standard
PublisherName	National Electrical Manufacturers Association
Status	Superseded
SupersededBy	ANSI C37.52:1974(R2000)

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