Duplex Control Panels

Outside of Duplex Control Panel

In a duplex control panel, two motors are used to drain or fill the process adding a level of reliability and easier maintenance. Duplex panels can be configured in a two, three or four “float” configuration. With two remote contacts (floats), only one motor runs at any given time (there is no “lag” operation). With three remote contacts, the motors are operated in a lead-lag mode. With four remote contacts, the motors are in lead-lag mode with an alarm output.

New Utility Transformers allow higher available Fault Currents. When advised, we can provide controls with proper interrupting ratings. Short Circuits may cause welding, which is not considered a failure of the Contactor. (see UL508, Para 53)

Duplex control panels include:

  • NEMA 3R Enclosure;
  • (2) Circuit breakers (no external handle);
  • (2) Magnetic Contactors;
  • (2) Adjustable thermal overload protection;
  • 120 VAC control power;
  • Fused control circuit;
  • (2) Hand-Off-Auto selector switches;
  • Alternator operation;
  • Terminal block for connection to float switches.

Note: We do not include starting capacitors as standard equipment.

Inside of Duplex Control panel

  230V 1-Phase 230V 3-Phase 460V 3-Phase
HP Catalog # List Catalog # List Catalog # List
1 DX21/001 1998        
2 DX21/002 1998 DX23/002 2255    
3 DX21/003 1998 DX23/003 2255    
5 DX21/005 2208 DX23/005 2255 DX43/005 2652
7.5 DX21/007 2304 DX23/007 2284 DX43/007 2652
10 DX21/010 2743 DX23/010 2466 DX43/010 2652
15     DX23/015 2545 DX43/015 2681
20         DX43/020 2863
25         DX43/025 2889
30         DX43/030 3014
Over 30         Call for Quote

Base Options:

Two remote contacts (two floats)
Three remote contacts (three floats)
Four remote contacts (four floats)
Alternator operation
Pressure switch operation (pressure switch not supplied)
Separate feeders (includes additional splitter with supporting equipment)

Prices are subject to change without notice

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