国际电工委员会 IEC 标准IEC 60331-11:着火条件下电缆的测试-电路完整性-第 11 局部:着火条件下电缆的测试-电路完整性-第 11 局部:仪器-火焰温度至少 750℃条件下的单独燃烧IEC 60331-11:Tests for electric cables under fire conditions – Circuit integrity – Part 11: Apparatus – Fire alone at a flame temperature of at least 750 DegreesAbstract 摘要This part of IEC 60331 specifies the test apparatus to be used for testing cables required to maintain circuit integrity when subject to fire alone where the test condition is based upon a flame with a controlled heat output corresponding to a temperature of at least 750 °C.It also provides in annex A the method of verification of the burner and control system used for the test.IEC 60331-21:Tests for Electric Cables under FireAbstract 摘要This part of IEC 60331 specifies the test procedure and gives the performance requirement, including a recommended flame application time, for cables of rated voltage up to and including 0,6/1,0 kV required to maintain circuit integrity when subjected to fire under specified conditions.It describes the means of sample preparation, continuity checking arrangements, electrical testing procedure, method of burning the cables and gives requirements for evaluating test results.It is intended to cover low voltage power cables, and control cables with a rated voltage.IEC 60331-23:着火条件下电缆的测试 电路完整性 第 23 局部:程序和要求 电数据电缆IEC 60331-23:Tests for Electric Cables under Fire Conditions - Circuit Integrity - Part 23: Procedures and Requirements - Electric Data CablesAbstract 摘要This part of IEC 60331 specifies the test procedure and gives the performance requirement, including a recommended flame application time, for electric data cables ...