| 摘要 |
1523575 Electric cut-outs SIEMENS AG 9 March 1977 [11 March 1976] 10034/77 Heading H2G A fusible electrical conductor has a constriction 6 of width 1 to 2 mm. and a hole 5 filled with solder 4 spaced from the constriction to give two equal portions having a minimum thickness 7 of 0À7 to 1 mm. wherein the ratio of 6 : 7 is in the range 0À5 to 0À75. A plurality of constrictions may be used, as may two fusible conductors joined side-by-side. On melting, the solder 4 is said to flow to the middle of the constriction thereby enhancing fusing of the constriction. |
