Details: description :technical specification for digital/numerical 3-phase overcurrent + earth fault protection relay 1. auxiliary supply : 24-240 v dc 2. current input : 1 amps or 5 amps site programmable 3. frequency :50 hz 4. time current characteristics : ni1.3, ni3, vi, ei, definite time 5. site selectable iec curves : 4 nos.of idmt curves + definite time characteristics 6. indication : leds for fault trip indication 7. trip record : minimum last 5 trip records with date and time stamping 8. protection functions : lowset overcurrent, highsetovercurrent, lowset earth fault, highset earth fault 9. o/c low set settings : 20 to 200% of nominal currentin step of 1% 10. e/f low set settings : 5 to 80% of nominal current in step of 1% 11. tms : 0.01 to 1.60 instep of 0.01 12. o/c high set : disable, 0.2 to 20 times of nominal current 13. e/f high set : disable, 0.05 to20 times of nominal current 14. o/c & e/f high set delay : disable, 0.05, 0.1 to 2 sec in step of 0.01 15. output contacts : mini
Sector: Railways