Power Electronics Process Control Energy Monitoring Engineering Services

Power Monitoring Relays


Supplier
Psk
 
  • Three phase monitoring relays
  • Eight models available with different combinations of detection and protection functions as per the following table of model type versus function.
  • Photograph shows a Multi-Voltage unit for detection of Faulty Phase Sequence/ Total Loss of Phase(s)
FUNCTION
RSTC RSTU RST/RST20 RSTP TRST LRST/LRST20
Detection of wrong phase sequence
Detection of total absence of one, two or threee phases
Detection of more than 20% voltage drop of the nominal voltage in one phase.    
Detection of more than 40% voltage drop of the total nominal voltage.    
 
Dection of loss of neutral or ground          
Detection of loss of asymmetry (rate adj. 5-20%)          
Thermistor Motor Protection        
 
Protection against high voltage impulses      
Multi Voltage (3 x 200VAC nom. to 3 x 500VAC nom.)  
       

 
Ph: +61-3-9763-5155   Fax: +61-3-9763-5166   Email: sales@fastron.com.au