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引用第16楼dabaimao于2009-03-13 15:53发表的 :
7 L L1 Y9 H0 Z. X: \# v- B! H 各位大虾,
' u3 F' G2 `2 W1 {9 o5 {6 S 在GB 494-2001的2.6.3.2中明确说用于测试的电流额定值是取以下最小值:: ^' @/ k! }# [7 I# F8 y3 F/ l4 u
——设备的额定电流;
% _3 v* d9 {( e4 Q ——建筑物配线中的过流保护装置的额定值;3 ^0 E: X4 l# T6 ~$ w. M }
——设备中过流保护装置的额定值。+ V0 m) x$ Z* V+ ]# {2 R8 ~9 u
....... 七楼已经说得很明白了:+ t8 l1 }* U! V1 c" i$ F9 ?
以下是摘录标准内容,在CB报告中测试电流应该为16A的1.5倍./ i" c4 B/ K# T1 G- p
a) For PLUGGABLE EQUIPMENT TYPE A, the PROTECTIVE CURRENT RATING is the rating of an
`. N. s3 l+ \7 Z2 R$ uovercurrent protective device provided external to the equipment (for example, in the
9 ], _ N4 O( A. s: G( S5 Mbuilding wiring, in the mains plug or in an equipment rack) to protect the equipment, with a
+ q3 X) \! z: q- G4 rminimum of 16 A.9 |, f/ k( b6 L0 D
NOTE 1 In most countries, 16 A is considered to be suitable as the PROTECTIVE CURRENT RATING of the circuit.# \, y$ c( b5 k/ h! ]3 v; V, J5 P
NOTE 2 In Canada and the United States, the PROTECTIVE CURRENT RATING of the circuit is taken as 20 A.
' _3 a; m" z8 l2 q7 sNOTE 3 In the United Kingdom, the current rating of the circuit shall be taken as 13 A, not 16 A. |
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