Siemens 3UG4 - Page 318

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