Key Features :
- No need of level sensors to detect dry running
- Designed for 3-phase motors from 1 to 630 A and over.
- Precise motor heating and cooling memory
- Thermal image
- Visual indicator of tripping cause
- Adjustable reset time for cos φ
Protection functions :
- Overload
- Underload cos φ
- Phase imbalance or phase loss
- Phase sequence
“The PS and PF electronic relays have been specially designed to provide complete protection for both single and three phase pumps and any other system where dry running is a critical factor.”
