Duplex controls allow dual pump alternation in residential, sewage and dewatering applications. Coordinating multiple operations limits fluctuations in water levels.

Standard Simplex panels offer the ability to order directly from the catalog.  They are used in a wide variety of sewage and dewatering applications.  Models 120D (for 120/208/240V single phase) and 480D (for 208/230/480V three phase) duplex controls allow alternation between pumps and provide the base for additional customization

G&G Controls Simplex panels are UL listed 508A for the US and Canada.  They feature NEMA 4X panel enclosure featuring heavy-duty polycarbonate, but also can be customized with other materials for difficult operating environments.  Multiple-color LED options for on/off and emergency conditions are available, as well as two control float switches activate a magnetic motor contractor to control power.

The standard simplex models are just a template for additional customization.  There are numerous size and material options on floats.  Additional switches can be designed to activate audio/visual alarms if warranted by the application.  More functionality – including a hand/off/auto (HOA) switch, 85DB audible alarm and the ability to monitor dry contacts in high liquid situation – is optional.  And, finally, a full range of cords are available to meet specific needs.

1-phase Duplex
3-phase Duplex
Multi-Function Duplex

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