PS-R 

Pump Protection Relay | Single-phase 

Key Features : 

• No need of level sensors to detect dry running
• Designed for 1-phase motors from 3 to 16 A
• Precise motor heating and cooling memory
• Thermal image
• Visual indicator of tripping cause
• Adjustable reset time for I<
• By monitoring undercurrent it avoids problems caused by dry running, cavitation, etc

Protection functions :

• Overload
• Undercurrent
• Undercurrent