The elementary diagram in Figure 6 shows the selection link in the STEP-2 Position. Consider the immediate initial reclosure sequence previously described. The reclosure attempt occurs after the immedediate step, which takes place when C picks up and seals in. If the reclosure is successful, breaker auxiliary switch 52/a will remain closed, which sets up the circuit through SR2, the coil of the R unit, and the selection link to contact C4, which will be open. After the first time interval, the SCR drops out C but, since the SCR cuts off before contact C4 closes, there will be no step and unit R will not pick up. On the next time step when SCR fires, unit R will pick up, seal in through contacts R2 and R3, and block the reclose circuit at contact Rl. The SA unit will then repetitively pick up and drop out and the stepping switch will run without time delay until it "homes" in the RESET pasition, where contacts SRl and SR2 will reopen and the R unit will drop out. The NLR relay is now reset, and all contacts will again be in the position shown in Figure 6. The same rapid-reset sequence will occur after a successful delayed reclosure.