Siemens 3UG4 User Manual

3UG4.1 line monitoring relay
6.2 3UG4511 line monitoring relay
3UG4 / 3RR2 monitoring relays
106 Manual, 05/2016, NEB927043002000/RS-AC/004
6.2.4
Circuit diagrams
Internal circuit diagrams 3UG4511
3UG4511-.A.. line monitoring relays
3UG4511-.B.. line monitoring relays
Note
It is not necessary to fuse the measuring circuit to protect the device. Fusing for line
protection depends on the cross
-section used.
Note
The 3UG4511 line monitoring relays are only suitable for line frequencies of 50
/ 60 Hz!

Siemens 3UG4 Specifications

General

Type of voltage	AC/DC
Number of CO contacts for auxiliary contacts	1
Number of NC contacts delayed	0
Number of NO contacts delayed	0
Number of change-over switches delayed	0
Number of NC contacts undelayed	0
Number of NO contacts undelayed	0
Number of change-over switches undelayed	1
Width	22.5 mm
Housing Width	22.5 mm
Operating Temperature	-25 ... 60 °C
Protection Class	IP20
Design of the product	Monitoring relay
Type	Monitoring relay
Operating frequency rated value	50 ... 60 Hz
Rated Operational Current	0.1 ... 10 A
Adjustable response value current	0.1 ... 10 A
Contact Configuration	1 CO contact
Operating range factor control supply voltage rated value at AC	0.8-1.1 x Un
Operating range factor control supply voltage rated value at DC	0.8-1.1 x Un