1 Scope
This standard specifies the requirements, test methods, inspection rules and markings of mining electrical apparatus for non-hazardous area (hereinafter referred to as “apparatus”).
This standard is applicable to the manufacture and inspection of electrical apparatus used in coal mine areas without gas and dust explosion as well as underground industrial department such as non-coal mines.
This standard is not applicable to cables and wires.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding amending errors in the text) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative documents referred to applies.
GB 1984-2003 "High-voltage Alternating-current Circuit-breakers" (IEC 62271-100: 2001, MOD)
GB/T 2423.4-1993 "Basic Environmental Testing Procedures for Electric and Electronic Products - Test Db: Damp Heat, Cyclic" (eqv IEC 60068-2-30:1980)
GB 3836.1-3000 "Electrical Apparatus for Explosive Gas Atmospheres-Part 1: General Requirements" (eqv IEC 60079-0:1998)
GB 3836.3-2000 "Electrical Apparatus for Explosive Gas Atmospheres- Part 3: Increased Safety" (eqv IEC 60079-7:1990)
GB 4208-1993 "Degrees of Protection Provided by Enclosure (IP Code)" (eqv IEC 60829, 1989)
GB 4048.1-2006 "Low-voltage Switchgear and Controlgear - General Rules"(IEC 60947-1:2001, MOD)
GB 14048.2-2001 "Low-voltage Switchgear and Controlgear - Low-voltage Circuit Breakers"
AQ 1043-2007 "Mining Products Safety Label"
3 Terms and Definitions
1 Scope
2 Normative References
3 Terms and Definitions
4 Requirements
5 Test Methods
6 Inspection Rules
7 Markings
Appendix A (Normative) Inspection Procedures
