to a chemical striker pin. This, in turn, causes the automatic sectioning link to drop out to the ‘open’ position. These links can be arranged to cause all three phases to open if one phase operates. The device is shown in Figure 11.10.
to a chemical striker pin. This, in turn, causes the automatic sectioning link to dropout to the ‘open’ position. These links can be arranged to cause all three phases toopen if one phase operates. The device is shown in Figure 11.10.