Monitoring relay MR-EU31UW1P

Technical info

Meassuring circuit data 

Functions

UNDER, UNDER+SEQ, WIN, WIN+SEQ

monitoring of phase sequence and phase failure, 

connection of neutral wire optional

Time intervals (timing adjustment) 

tripping delay (0…30 s)

LED indicator

yellow LED, red LED

Measuring circuit 

• terminals

(N)-L1-L2-L3

• measuring input

=supply voltage 3(N)~ 400/230 V

• swiching threshold Us

max: 0,8< In < 1,3  min: 0,7 < In < 1,2

Input circuit 

Supply voltage U

= measuring voltage

Rated voltage Un

3(N)~ 400/230 V

Rated frequency

AC: 48...63 Hz

Output circuit 

Number and type of contacts

1 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 60664-1

Insulation pollution degree

2, if built-in 3 PN-EN 60664-1