The 11946 is a discontinued Triplex Pump Controller II (TPC2) model featuring a 12 VAC input, 50/60 Hz frequency, and a maximum current of 3 A. It provides a 4-20 mA output, supports 5 float switches, and includes 3 pump disables. Equipped with an RS-232 serial port for SCADA integration, it offers adjustable setpoints, a 40-segment bargraph, and LED indicators for pumps, sensors, and alarms.