标题: UL1278 39.2条款的电路内， 外什么意思？PTC 加热器的PTC 加热元 [打印本页] 作者: 0813 时间: 2012-1-4 19:01 标题: UL1278 39.2条款的电路内， 外什么意思？PTC 加热器的PTC 加热元 39.2 Temperature controls
39.2.1 The tests are to be performed with any combinations of temperature controls in the circuit and out of the circuit where such combinations may result in higher temperatures or increased risk of electric shock or ?re.
Exception: The following controls are to be left in the circuit:
a) A designated temperature limiting control [see 3.14(b)]
b) An auxiliary temperature control evaluated as a temperature limiting control with the
temperature limiting control out of the circuit.