UL 506-2008 专用变压器

标准号：UL 506-2008
中文标准名称：专用变压器
英文标准名称：Specialty transformers
标准类型：K41
发布日期：2008/6/16 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：K41
国际标准分类号：29.180
适用范围：1.1 These requirements cover ignition transformers for use with gas burners and oil burners and specialtystep-up transformers used in applications such as insect electrocuting. Transformers incorporatingovercurrent or over-temperature protective devices, transient voltage surge protectors, or power factorcorrection capacitors are also covered by these requirements. These transformers are intended to beused in accordance with the National Electrical Code, NFPA 70.1.2 These requirements do not cover liquid-immersed transformers, variable voltage autotransformers,transformers having a nominal primary rating of more than 600 volts, transformers having overvoltage tapsrated over 660 volts, cord and plug connected transformers, garden light transformers, voltage regulators,swimming pool and spa transformers, or other special types of transformers covered in requirements forother electrical devices or appliances.1.3 These requirements do not cover:a) Autotransformers used in industrial control equipment, which are evaluated in accordancewith the Standard for Industrial Control Equipment, UL 508.b) Class 2 or Class 3 transformers, which are evaluated in accordance with the Standard forLow Voltage Transformers – Part 1: General Requirements, UL 5085-1, and the Standard forLow Voltage Transformers – Part 3: Class 2 and Class 3 Transformers, UL 5085-3.c) Toy transformers, which are evaluated in accordance with the Standard for ToyTransformers, UL 697.d) Transformers for use with radio- and television-type appliances, which are evaluated inaccordance with the Standard for Transformers and Motor Transformers for Use in Audio-,Radio-, and Television-Type Appliances, UL 1411.e) Transformers for use with high intensity discharge lamps, which are evaluated in accordancewith the Standard for High-Intensity-Discharge Lamp Ballasts, UL 1029.f) Transformers for use with fluorescent lamps, which are evaluated in accordance with theStandard for Fluorescent-Lamp Ballasts, UL 935.g) Ventilated transformers for general use or non-ventilated transformers for general use (otherthan compound filled or exposed core types), which are evaluated in accordance with theStandard for Dry-Type General Purpose and Power Transformers, UL 1561.h) Dry-type distribution transformers rated over 600 volts, which are evaluated in accordancewith the Standard for Transformers, Distribution, Dry-Type – Over 600 Volts, UL 1562.i) Transformers incorporating rectifying or waveshaping circuitry evaluated in accordance withthe Standard for Power Units Other Than Class 2, UL 1012.j) Transformers of the direct plug-in type evaluated in accordance with the Standard for Class 2Power Units, UL 1310.k) Transformers for use with electric discharge and neon tubing, which are evaluated inaccordance with the Standard for Neon Transformers and Power Supplies, UL 2161.l) General purpose and industrial control transformers evaluated in accordance with theStandard for Low Voltage Transformers – Part 1: General Requirements, UL 5085-1, and theStandard for Low Voltage Transformers – Part 2: General Purpose Transformers, UL 5085-2.