UL 458:1998 pdf download Power Converters/Inverters and Power Converter/Inverter Systems for Land Vehicles and Marine Crafts
1.1 These requirements cover fixed and stationary power converters and power-converter systems having a ratednominal input of 120,120/240, or 240 volts, alterating current and a nominal output of 24 volts or less, direct currentThese converters are intended for use within lan d vehicles where not directly exposed to outdoor conditions, and areintended to be employed in accordance with the National Electrical Code. NFPA 70.
1.1 effective April 13,1993
1.2 These reauirements also cover fxed, stationary and po rtable power inverters and power-inverter systems havinga dc input and a 120 or 240 volts ac output. These inverters are intended for use within land vehicles where nodirectly exposed to outdoor conditions, and are intended to be employed in accordance with the National ElectricaCode.NFPA 70.
1.2 effective April 13,1993
i.3 These requirements also cover converters/inverters that are additionally intended to charge batteries.1.3 effective April 13,1993
1.4 Power converters covered by Part I of this standard are intended for connection to established 15- and 20ampere branch circuits within a recreational vehicle.
Power-in verters covered by Part of this standard are intended for connection to a 12- or 24- volt dc batter1.5supply.
1.5 effective April 13, 1993
1.6 Power-converter systems covered by Part ll of this standard are intended for direct connection to a power-supplyassembly and incorporate means for the connection of a maximum of three line-voltage branch circuits only.
1.7 Power-inverter systems co vered by Part ll of this standard are intended for direct connection to a power-supplassembly and incorporate means for the connection of a maximum of three line-voltage branch circuits only: noincluding the main disconnect.
1.7 effective April 13, 1993
i1.8 Converters and inverters incorporating provisions for the connection of more than three line-voltage branccircuits are judged under the requirements in Part of this standard and the applicable requirements for a Class CTLpanelboard in accordance with the Standard for Panelboards, UL 67.
1.8 effective April 13,1993
1.9 A product that contains features, charac teristics, components, materials, or systems new or diferent from thosecovered by the requirements in this standar d, and that involves a risk of fire, electric shock, or injury to persons shalbe evaluated using the appropriate additional component and end-product requirements to determine that the leveof safety as originally anticipated by the intent of this standard is maintained. A product whose featurescharacteristics, components, materials, or systems conflict with specific requirements or provisions of this standardshall not be judged to comply with this standard , Where appropriate, revision of requirements shall be proposed andadopted in conformance with the methods em ploved for development, revision, and implementation of this standard
1.9 revised September 11.1998
2 Glossary
2.1 For the purpose of this standard the following definitions apply.
UL 458:1998 pdf download
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