Siemens SIRIUS 3RN2 User Manual

Connection
6.1 Terminal assignment
SIRIUS 3RN2 thermistor motor protection relay
Manual, 10/2016, A5E34244868002A/RS-AA/001
37
Module version
Inscription of the terminal cover
Upper
terminal cover
Lower
terminal cover
Terminal
assignment
on the device
Overall width 22.5 mm
"Warning and
tripping" device
3RN2023-.DW30
The table below contains an explanation of the terminal cover designations used:
Terminal designation
Explanation
A1/11 (applies to 3RN2000 only) Rated control supply voltage ~/+
Output relay K1 CO contact root
A1(+)
Rated control supply voltage ~/+
A2(-)
Rated control supply voltage ~/-
T1
Thermistor connection contact 1
T2
Thermistor connection contact 2
1T1 (applies to 3RN2023 only)
Thermistor connection for sensor circuit 1, contact 1
2T1 (applies to 3RN2023 only)
Thermistor connection for sensor circuit 2, contact 1
T2 (applies to 3RN2023 only)
Thermistor connection, common contact 2
Y1 and Y2 Connection for remote RESET (NO contact)
Y1 and Y2 jumpered: Auto RESET
12NC
Output relay K1 CO contact NC contact
11C
Output relay K1 CO contact root
14NO
Output relay K1 CO contact NO contact
22NC
Output relay K2 CO contact NC contact
21C
Output relay K2 CO contact root
24NO
Output relay K2 CO contact NO contact
23NO/24NO (applies to 3RN2023 only)
Output relay K2 NO contacts (warning)

Siemens SIRIUS 3RN2 Specifications

General

Brand	Siemens
Model	SIRIUS 3RN2
Category	Measuring Instruments
Language	English