Voltage monitoring relay MR-GU3M2P-TR2

phase sequence2 NO/NCthree-phase

Voltage monitoring in 3-phase mains Meassuring circuit data  Functions OVER, OVER+LATCH, UNDER, UNDER+LATCH, WIN, WIN+LATCH  timing adjustment for tripping delay Time intervals (timing adjustment)  tripping delay (0,1...10 s) LED indicator green LED, red LED Meassuring circuit  • terminals N-L1, N-L2, N-L3 • measuring variable AC sinus, 48...63 Hz • measuring input 230 V AC • overload capacity 440 V AC • input resistance 3N~  400/230 V  470 kΩ • swiching threshold Us max: 0,8 < Un < 1,3  min: 0,7 < Un < 1,2 Input circuit  Supply voltage U 12 … 400 V AC; terminals A1-A2  Rated power consumption 2,0 VA / 1,5 W Rated frequency as per the specification of TR2 supply transformer Output circuit  Number and type of contacts 2 C/O - changeover Rated load AC1 5 A / 250 V AC Max. breaking capacity AC1 1 250 VA Insulation  Rated surge voltage 4 000 V AC Overvoltage category III PN-EN 60664-0 Insulation pollution degree 3 PN-EN 60664-1