Standard No.:	JB/T 5777.4-2000
English Name:	General Specification and Safety Requirements for DC Power Supp
Chinese Name:	电力系统直流电源设备通用技术条件及安全要求
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	State Machine Building Industry Bureau
Issued on:	2000-11-29
Implemented on:	2001-1-1
Status:	valid
Superseded by:	State Machinery Industry Bureau
Language:	English
File Format:	PDF
Word Count:	16000 words
Price(USD):	400.0
Delivery:	via email in 1 business day

This Standard states requirements of classification, general specification, safety requirement, inspection method, inspection rules, marking, package, transportation and storage of DC power supply equipments in power system. This Standard is applicable to DC power supply equipments (hereinafter referred to as "product") in power system. The product is used as DC power supply equipment of control, signal, communication, protection and DC emergency lighting, power device of electric equipments, automatic safety supervisory control device and communication circuit at power plant transformer substation. This standard is also applicable to DC power supply equipments in other industries, such as metallurgy industry and chemical industry, railway system. But this standard is only applicable to newly-developed products.

Content Foreword 1. Scope 2. Standard Reference 3. Definition 4. Product classification 5. General Requirement 6. Technical Requirements 7. Safety Requirement 8. Structural and technical requirements 9. Testing Method 10. Inspection Rules