Circuit Breaker Standards

PREFACE This is the harmonized ANCE, CSA Group, and UL standard for Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures. It is the fifth edition of NMX-J-266-ANCE, the fourth edition of CSA C22.2 No. 5, and the thirteenth edition of UL 489....

The book has 13 chapters and the following topics are dealt with: development of circuit breakers; physics of circuit breaker arcs; network switching conditions; oil circuit breakers; air break circuit breakers; air blast circuit...

This SAE Standard defines the test conditions, procedures, and performance requirements for circuit breakers in ratings up to and including 200 A. The document includes automatic reset, modified reset, and manually reset types of circuit breakers for 12 VDC, 24 VDC, and...

This document recommends criteria for the location, arrangement and other requirements of aircraft circuit breakers and fuses on the flight deck.

This document recommends criteria for the location, arrangement and other requirements of aircraft circuit breakers and fuses on the flight deck.

ulharm-489.13 Molded-Case Circuit Breakers, Molded-Case Switches and Circuit-Breaker Enclosures UL 489 1 Scope 1.1 The requirements of this standard cover molded-case circuit breakers, circuit breaker and ground-fault...

The requirements of this standard cover molded-case circuit breakers, circuit breaker and ground-fault circuit-interrupters, fused circuit breakers, and accessory high-fault protectors. These circuit breakers are specifically intended...

This Specification describes the functional and performance requirements for circuit-breaker trip circuit supervision systems in NGC's substations.

Gives design information and specifies test methods for aircraft circuit breakers.

This SAE Recommended Practice defines the test conditions, procedures, and performance requirements for circuit breakers in ratings from 50 to 200 A. The document covers externally mounted automatic reset and manually reset types of circuit breakers for low voltage DC...

This recommended practice covers the requirements of magnetic or thermal circuit breakers for use in marine applications for 50 V DC or less.

This Japanese Industrial Standard specifies the requirements for high-voltage indoor AC circuit breakers to be used in high-voltage receiving installations of 3.3 kV or 6.6 kV in the nominal voltage at 50 Hz or 60 Hz in the frequency (hereafter referred to as the circuit...

This Specification describes the functional and performance requirements for a point-on-wave switching control relay for circuit-breakers on NGC's 400 kV, 275 kV, 132 kV and other lower voltage systems. The detailed requirements for circuit-breakers are specified in NGTS...

The purpose of this standard is set forth the desired location, arrangement and general requirements of aircraft circuit breakers and fuses. The recommendations of this standard apply to all civil type multi-engine transport aircraft. The definitions used herein are made as brief as...

015580-000000-000000 1 Scope 1.1 These requirements cover metal-enclosed low-voltage power circuit breaker switchgear assemblies containing but not limited to such devices as low-voltage power circuit breakers, other interrupting devices, switches, control,...

Includes: This instruction covers the routine maintenance of ABB. 11 kV and 22 kV SF6 circuit breakers type "Safesix" and associated equipment within the circuit breaker cubicle

This guide describes methods to protect a power system from faults that are not cleared because of failure of a power circuit breaker to operate or interrupt when called upon by a protective relay. The intent is to give the reader a guide in how to detect that a breaker has...