Monitoring relay MR-GU3M2P-TR2

Technical info

Meassuring circuit data 

Functions

UNDER, UNDER+SEQ, WIN, WIN+SEQ

monitoring of phase sequence, phase failure and asymmetry 

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-L2-L3

• measuring variable

AC sinus, 48...63 Hz

• measuring input

3(N)~ 400/230 V

• overload capacity

3(N)~ 600/346 V

• swiching threshold Us

max:- 0,2 < Un < 0,3  min.: -0,3 < Un < 0,2

• asymmetry

 5...25%

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