To control cost
(and almost anything else)
think inside the box

OPERATION: Input voltage must be applied before and during timing. Upon closure of the initiate switch S1, the output (relay or solid state) de-energizes. The time delay begins when S1 is opened. The output remains de-energized during timing. At the end of the time delay, the output energizes. The output remains de-energized if S1 is closed when input voltage is applied.
RESET: Reclosing S1 during timing resets the time delay. Removing input voltage resets the time delay and output. Function can be applied to these Series:(Click to View Data Sheet) HRPS, HRPU, KRPS, KSPS, KSPU, NHPS, NHPU,

      Inverted Delay on Break

V = Voltage    NO = Normally Open Contact    R = Reset 
   NC = Normally Closed Contact    TD = Time Delay   
    S1 = Initiate Switch   
= Undefined time