10-0093 - Duplex Electrical Alternator Control Panel

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SKU: 10-0093
Regular price $1,380.00

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Zoeller 10-0093 - Duplex Electrical Alternator Control Panel

An electrical alternator is used on a duplex pump application where automatic alternation of the pumps is desired for added protection in residential or commercial applications. With one pump operating to handle normal flow, a second pump becomes operational in the event the water level continues to rise. The built-in alarm system, a standard feature, can be connected to sound either when the second pump becomes operational with a 3-float switch system or independently with a 4-float switch system. All electrical systems must be installed by a qualified electrician and according to the National Electrical Code.  


  • Hand-off-auto toggle switch for each pump
  • Green pump run pilot light for each pump
  • Alarm test and silence switches
  • Red pilot light (NEMA 1 only) and audible alarm with 83 to 85 decibel rating for a high water condition
  • Red alarm beacon included with NEMA 4X enclosure
  • Auxiliary dry contact
  • High water alarm
  • On single phase – circuit breaker for each pump
  • On three phase – motor protective switch with overload protection
  • Magnetic starter for each pump
  • Alternating mechanism
  • Numbered terminal strip for connecting pumps and variable level float switches
  • NEMA 1, general purpose or NEMA 4X, watertight enclosures available
  • Integral auxiliary terminal board connections (dry contact) for remote alarm devices
  • 3 or 4 variable level float switch control operation
  • Three 20’ (6 m) float switches included with 1 Ph panels
  • The use of off-the-shelf components provide for relatively easy field maintenance and repair
  • 2 year limited warranty


  • Dimensions: 12" x 10" x 6"
  • Volts: 115 / 200 / 230
  • Amp Range: 0 - 20