Monitoring relay MR-GU3M2P

Technical info

Meassuring circuit data 

Functions

monitoring of phase sequence and phase failure 

detection of reverse voltage

Time intervals (timing adjustment) 

start-up suppression time (max. 0,5 s)

tripping delay (max. 0,35 s)

LED indicator

green LED, yellow LED

Meassuring circuit 

• terminals

(N)-L1-L2-L3

• measuring variable

AC sinus, 48...63 Hz

• measuring input

3(N)~ 400/230 V

• overload capacity

3(N)~ 457/264 V

• asymmetry

fixed, typical value 30%

Input circuit 

Supply voltage U

 = measuring voltage, terminals(N)-L1-L2-L3

Rated power consumption

3(N)~ 342 ... 457 V

Rated frequency

AC: 48...63 Hz

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