scope:

　　
ulharm-489.13

　　Accordance with the National Installation Codes in Annex B, Ref. NO. 1.

　　1.2 This Standard Coveers Molded-Case Switches and Fused Molded-Case Switches.

　　1.3 This Standard Coveers Devices Rated at 1000 Volts AC and 1500 Volts DC or Less and 6000 AMPERES Or Less.

　　1.5 This Standard Coveers Circuit-Breaker Enclosures and Accessory Devices Intended for Use with The Devices Described in 1.1 and 1.2 .2 .2 .2 .2 .2.

　　1.6 This Standard Does Not Cover Low-Voltage Power Circuit Breakers Covered in Annex B, Ref. No. 3 and Ref. NO. 4 or SUPPLEMERED in Annex B, Ref. NO. 5.

　　1.7 This Standard Contains Supplements Covering The Requirements for Molded-Circuit Breakers for:

　　a) Marine use;

　　b) naval use;

　　c) UninterRuptible power support;

　　d) Classify Circuit Breakers;

　　e) Software in Programmable Components;

　　f) AdDitional Tests for Circuit Breakers with Electronic Overcurrent Protection;

　　g) Electromagnetic Compatability (EMC) -Requirements and Test Methods for Circuit Molded Case Switch Breakers; and