Phase sequence relays  
Detection of  incorrect phase sequence and phase loss conditions in three phase AC systems. Bender SED140 ...  relays cover a variety of systems to be monitored up to 440VAC and incorporate easily accessible potentiometers for adjustable alarm set points. 
Please refer to the table below to determine which current relay is suited for your application.
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Left mouse click on type (table) or flag symbol for datasheet in pdf. format

BENDER System Adjust. Hz range Adjust. Article #
Type voltage Un volt range   Hyst.  
         
Phase sequence and phase loss 3Ph AC    
SED140 3NAC208V 65-75% Un 50-60Hz 8% fixed B925157
SED140 3NAC230V 65-75% Un 50-60Hz 8% fixed B925156
SED140 3NAC400V 65-75% Un 50-60Hz 8% fixed B925104
SED140 3NAC440V 65-75% Un 50-60Hz 8% fixed B925612
         

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Please contact us at (800) 356-4266 or Fax. (610) 383-7100 for technical assistance or sales support. e-mail: info@benderrelay.com
Bender Inc. 700 Fox Chase, Coatesville, PA 19320

 

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