Littelfuse PC-105 Five-Channel Pump Controller Description The PC-105 is a 5-channel pump controller designed to handle multiple pump applications. Alternatively, it can operate as a 5-channel switch. The PC-105’s control functions support all of the popular industry standard multi-pump, pump-up and pump-down configurations. It can indicate low, high and out-of-sequence alarms and use alternating and non-alternating pump control. The non-alternating pump can be used as a jockey pump or emergency pump. Using the built-in DIP switches, individual pumps can be disabled when taken out of service for repair or maintenance. Using the built-in DIP switches, individual pumps can be disabled when taken out of service for repair or maintenance. Littelfuse PC-105 Five-Channel Pump Controller Typical Applications Pump Delay Pump Alternating Pump to Pump Starter Littelfuse PC-105 Five-Channel Pump Controller Product Features Compact Design Low, High and Out-of-Sequence Alarms Variable Time Delay/Lag Pump Delay from 2-255 Seconds Duplex SPS (separate pump stop) Pump Control Duplex, Triplex or Quadplex Pump Control Pump-Up or Pump-Down Functions External Silence, Reset and Alternation Configuration Five-Channel Relay Configuration DIN Rail or Surface Mountable 5-year warranty Made in the USA