This part specifies terms and definitions, product classification, technical requirements, inspection rules, marking, packaging, transport and storage of 25Hz signal power supply panel (hereinafter referred to as power supply panel).
This part is applicable to the power supply equipment of 25Hz signal equipment.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this part. However parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB 2423.1 Basic Environmental Testing Procedures for Electric and Electronic Products - Tests A: Cold
GB 2423.2 Basic Environmental Testing Procedures for Electric and Electronic Products - Tests B: Dry Heat
GB 2423.4 Basic Environmental Testing Procedures for Electric and Electronic Products - Test Db: Damp Heat, Cyclic
GB/T 14048.1-2000 Low-voltage Switchgear and Controlgear - General Rules (eqv IEC 60947-1: 1999)
TB/T 1528.1-2002 Railway Signal Power Supply Panel - Part 1: General Rules
TB/T 1528.3-2002 Railway Signal Power Supply Panel - Part 3: All-relay Interlocking Signal Power Supply Panel
3 Terms and Definitions
For the purposes of this part, the terms and definitions given in TB/T 1528.1 and TB/T 1528.3 apply.
TB/T 1528.7-2002 The following standards are cited：
