
3UG4651 speed monitoring relay
12.7 Technical data
3UG4 / 3RR2 monitoring relays
318
Manual, 05/2016, NEB927043002000/RS-AC/004
General technical details
3UG4651-..A..
3UG4651-..W..
Product function
RPM monitoring relay
Design of the display
LCD
Product function
•
rotation speed monitoring
Yes
•
standstill monitoring
No
•
defect storage
Yes
•
reset external
Yes
•
self-reset
Yes
•
manual RESET
Yes
•
open-circuit or closed-circuit current principle
Yes
Starting time after the control supply voltage has
been applied
ms
500
Number of outputs
•
as contact-affected switching element
–
safety-related
–
delayed switching
0
–
non-delayed
0
–
for reporting function
–
delayed switching
1
–
non-delayed
0
•
as contact-less semiconductor switching
element
–
safety-related
–
delayed switching
0
–
non-delayed
0
–
for reporting function
–
delayed switching
0
–
non-delayed
0
Response time maximum
ms
100
Stored energy time at mains power cut minimum ms
10
Relative metering precision
%
10
Precision of digital display
+/- 1 Digit
Relative repeat accuracy
%
1