Easun reyrolle is an acknowledged leader in the field of electrical power management. Easun reyrolle manufactures and exports motor protection-rho 3. Rho 3 is a multi-function numerical motor protection relay suitable for all types of a.C. Induction motors up to the highest ratings available.
Features
1. trip circuit supervision [95]
2. ct supervision
3. fault recorder
4. disturbance recorder and sequential events recorder
5. status & trip leds
6. lcd display [16-characters, 2 lines]
7. fibre-opric / rs485 communication port
8. thermal overload protection [49]
9. communications protocol compatible with iec 60870-5-103 or modbus rtu
10. short circuit protection [50]
11. earth fault protection [50n]
12. stall and locked rotor protection [48]
13. phase unbalance protection [46]
14. undercurrent detection [37]
15. restart inhibit protection
16. limitation of number of starts
17. 7 programmable output relays, 1 programmable status input contacts, with 8 additional inputs as optional
18. earth fault trip inhibit for contactor control application
19. circuit breaker failure protection [50 bf]
20. ammeter function
