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YD/T 1270-2003Contactless compensatory A·C voltage stabilizer (English PDF)

无触点补偿式交流稳压器

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

June 5, 2003

Implementation date

June 5, 2003

Scope

YD/T 1270-2003 is the English-translated version of 无触点补偿式交流稳压器.

YD/T 1270-2003 is the Chinese standard "Contactless compensatory A·C voltage stabilizer". This standard specifies the non-contact AC voltage regulator compensated technical requirements, test methods, inspection rules and signs, packaging, transportation and storage.

This standard applies to electrical and electronic devices using low consisting of non-contact AC voltage regulator compensation. Issued on 2003-06-05, in force from 2003-06-05.

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Document preview — YD/T 1270-2003

National Standard of the People's Republic of China

Classification: M41

[Preview only]
1 Scope
2 Normative References
2.1 Term
3 Terms and Definitions
3.2 Abbreviations
3.3 Specifications
3.4 Product model and designation
3.5 Product marking
4 Product Classification
4.1 General
4.2 Model and name
4.3 Test Waveform
4.4 Product labelling
5 Requirements
5.2 Chemical components
5.3 SPD Disconnector Inspection
5.4 Environmental protection property
5.5 Material compatibility
5.6 Spurious emission
5.7 Transmit Spectrum Mask
5.8 Time of Rising Edge and Falling Edge
5.9 In-band Flatness
6 Test methods
6.2 Term restrictions
6.3 End-of-manufacturing inspection
6.4 Type inspection
6.5 Phone Program
6.6 OTASP/OTAPA Function
6.7 Processing of PIN
6.8 Fixed Dialing Number (FDN)
6.9 Abbreviated Dialing Number (ADN)
7 Inspection Rules
7.1 Packaging
7.2 Marking
7.3 Transport
7.4 Storage
7.5 Safety Test for Temporary Overvoltage Failure
7.6 Test of Temporary Overvoltage Withstand Characteristic
7.7 SPD Thermal Stability Test
8 Marking, Packing, Transport and Storage
8.1 Voltage Drop Test
8.2 Surge Withstand Capability at Load side
8.3 Short-circuit Withstand Capability at Load Side
9 Environmental Applicability Test
9.1 Vibration Test
9.2 High Temperature Test
9.3 Low Temperature Test
9.4 Alternating Humid Heat Test
9.5 Performance requirements for radio resource management

1 Foreword

YD/T 1270-2003 was issued by Ministry of Industry and Information Technology on 5 June 2003 and took effect the same day.

The YD/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

The document runs to 9 pages in English translation.

2 Scope Preview

This standard specifies the non-contact AC voltage regulator compensated technical requirements, test methods, inspection rules and signs, packaging, transportation and storage. This standard applies to electrical and electronic devices using low consisting of non-contact AC voltage regulator compensation.

YD/T 1270-2003 is filed under Chinese Standard Classification M41, in the field of telecommunications and broadcasting.

This catalogue holds 2,288 other YD/T standards without an ICS number.

In this catalogue, YD/T standards carry edition years from 1982 to 2026.

3 About this standard

Sector: Telecommunication Industry Standard (Recommended)

Issued by: Ministry of Industry and Information Technology

English translation: about 9 pages (approximate)

Chinese original: about 14,124 characters

4 Related standards

Standards on related subjects:

YD/T 1092-2023 — Telecommunication cables - Foamed polyolefin dielectric, corrugated copper-tube outer conductor, 50 Ohm radio-frequency coaxial cable for wireless communications

YD/T 2165-2010 — Technical specification of modular uninterruptible power systems for telecommunications

YD/T 777-2006 — Inversion equipment for telecommunications

YD/T 6604-2025 — Integrated power supply for smart tower

YD/T 1436-2024 — Outdoor communication power supply system

5 Classification and status

Chinese Standard Classification (CCS): M 41

Prefix YD/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 9 pages — is available in the English PDF.

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