YD/T 1235.1-2002 Performance requirements for surge protective devices connected to low-voltage distribution systems of telecommunication stations/sites
This standard specifies definitions, classifications, performance requirements and inspection rules of performance requirements for surge protective devices connected to low-voltage distribution systems of telecommunication stations/sites (hereinafter referred to as "surge protective device").
This standard is applicable to quality inspection and assessment of surge protective device connected to low-voltage distribution system of telecommunication stations/sites at all levels (low-voltage side of distribution transformer, a.c. input end of distribution room and power room, a.c and d.c. distribution cabinet (box) at each machine room).
Surge protective device integrated in the equipment may refer to it.
2 Normative References
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments 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 document referred to applies.
YD/T 1235.1-2002 The following standards are cited：
