3RR2 current monitoring relays
4.4 3RR21 current monitoring relays
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
61
3RR2141-.....
3RR2142-.....
3RR2143-.....
Reference code
•
according to DIN 40719
extended according to
IEC 204-2 according to
IEC 750
K
•
according to DIN EN
61346-2
K
Mechanical operating cycles as
operating time typical
10 000 000
Electrical operating cycles as
operating time at AC-15 at
230 V typical
100 000
Adjustable response delay time
•
when starting
s
0 … 60
•
with lower or upper limit
violation
s
0 … 30
Standby time for restart after
fault
s
0.3
Phase number
3
Number of monitored phases
2
Product function
•
overcurrent monitoring
Yes
•
undercurrent monitoring
Yes
•
overcurrent and undercurrent
monitoring
Yes
•
apparent current monitoring
Yes
•
active current monitoring
No
•
undercurrent recognition of
3 phases
No
•
phase sequence recognition
No
•
can be activated or
deactivated phase sequence
recognition
No
•
self-reset
Yes
•
reset external
No
•
manual RESET
Yes