Data Sheet
Data sheet 3UG4512-2AR20
Analog monitoring relay Phase failure and sequence 3 x 160...690 V
50...60 Hz AC 1 change-over contact spring-type connection system
Product brand name SIRIUS
Product designation Network monitoring relay with analog setting
Design of the product 2 functions
Product type designation 3UG4
General technical data
Product function Phase monitoring relay
Display version LED Yes
Degree of pollution 3
Type of voltage
● for monitoring
AC
● of the control supply voltage
AC
Surge voltage resistance rated value 6kV
Protection class IP IP20
Shock resistance
● acc. to IEC 60068-2-27
sinusoidal half-wave 15g / 11 ms
Mechanical service life (switching cycles)
● typical
10000000
Electrical endurance (switching cycles)
● at AC-15 at 230 V typical
100000
Thermal current of the switching element with
contacts maximum
5A
Reference code acc. to DIN 40719 extended
according to IEC 204-2 acc. to IEC 750
K
Reference code acc. to DIN EN 81346-2 K
Reference code acc. to DIN EN 61346-2 K
Relative repeat accuracy 1%
Product Function
Product function
● undervoltage detection
No
● Overvoltage detection
No
● phase sequence recognition
Yes
3UG4512-2AR20 Subject to change without notice
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09/12/2019 © Copyright Siemens





