| 摘要 |
1,206,506. Surge diverters. SIEMENS A.G. 20 May, 1968 [28 Dec., 19671, No. 24002/68. Heading H2H. Surge diverter is formÚd with a cast resin housing which has a shed 15 and an annular recess 16 in its lower face to improve insulation. The diverter shown in Fig. 1 has a fusible wire 9 and a soldered joint 12 which protect the device against overload by breaking, the circuit to an earth connection,7. A spring 13 throws off a casing 11 if either the wire 9 or the joint 12 should melt.: |
