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1. 工作电压的Vp值应用最大值或最小值两的最大数值(不考虑电压的正负极性), 例如测量电压的最大值为456V, 最小值为-505V, 则Vp值就是505V;0 R0 D6 r4 `7 X \
2. 首先可以肯定的告诉你, 你的这种理解不正确. 其标准要求的是PROTECTIVE CURRENT RATING值的2倍, 需这个值并不是你所理解的2.5A, 而是指是的产品所用的保护电路的RATING值, 在标准的2.6.3.3条款中有说明, 如下:
/ f7 R! H! t8 G6 i6 V7 F& }# ya) For PLUGGABLE EQUIPMENT TYPE A, the PROTECTIVE CURRENT RATING is the rating of an& B0 O b; U. a) t/ U# ]/ {* G! Y- N
overcurrent protective device provided external to the equipment (for example, in the0 A; [- {2 w& m: Y
building wiring, in the mains plug or in an equipment rack) to protect the equipment, with a9 ]; A( Q& u5 d; c+ l
minimum of 16 A.& }9 x+ `. S6 `0 [ j" R6 v
NOTE 1 In most countries, 16 A is considered to be suitable as the PROTECTIVE CURRENT RATING of the circuit.
4 e" D4 F9 ~" m/ G0 ]6 `NOTE 2 In Canada and the United States, the PROTECTIVE CURRENT RATING of the circuit is taken as 20 A.
- X5 c, N& [) g jNOTE 3 In the United Kingdom, the current rating of the circuit shall be taken as 13 A, not 16 A |
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