Duplex Lift Station Pump Control Panels are designed to control the level in a municipal or industrial dewatering Lift Station housing two pumps.

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When the level rises to a predetermined level, as sensed by an external level sensor (ie: float switch), the "lead pump" is turned on first. As the level recedes to a predetermined level, as sensed by a level sensor, the lead pump is  turned off and automatic alternation is accomplished. In the event that the level continues to rise beyond the capacity of the lead pump, the "lag pump" is activated, and both pumps will run simultaneously until the level recedes to the pumps' off level, as sensed by a level sensor.

Applied Motor Controls’ standard duplex pump panel is designed to provide both “alternating” and “duplexing” modes.

Alternating mode: This function provides for relatively equal wear of the two pump motors, typically of the same HP rating, driven by the controller by reversing the “Lead” and “Lag” roles of the motors on each successive cycle. Automatic alternation is accomplished when one or both motors come to a stop.

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Duplexing mode: This mode provides stand-by capacity for use of a second pump motor when the system demand exceeds the normal requirements of a single motor, or when one of the motors fails.

Applied Motor Controls offers a wide range of UL-listed factory-installed options that can enhance the control and protection of the pumps.