Lauritz Knudsen numrAL REF11 Restricted Earth Fault Relay 20 - 60 V DC Modbus RS 485

Description

Lauritz Knudsen numrAL REF11 Restricted Earth Fault Relay 20 - 60 V DC Modbus RS 485 (Cat. No. NRREF1A10RA). Auxiliary Supply (V): 20 - 60 V DC; Communication: Modbus RS 485; Design: Microcontroller-based; Enclosure: Draw-out; Protection Functions: 87N / 64REF; CT Rating: 1 A / 5 A, site selectable; CT Class: PS Class CT; Protection: Single phase high impedance earth fault; Time Delay: Instantaneous and definite; 50 msec to 1 sec, programmable; Filter: Built-in third harmonic filter; Display: Actual value and 5 trip records. Catalogue MRP Rs. 26,400 per unit; standard package 1.

Specifications