Circuit Diagrams - Siemens SIRIUS 3RN2 Manual

Circuit diagrams

The following figure shows a sample circuit for a 3RN2012 or 3RN2013 thermistor motor
protection relay.
A1(+) Rated control supply voltage ~/+
A2(-) Rated control supply voltage ~/-
K Contactor relay
M Motor
S NO contact, latching
S1 NO contact 1
S2 NO contact 2
S3 NO contact 3
T1 Thermistor connection contact 1
T2 Thermistor connection contact 2
Y1, Y2 Connection for remote RESET (NO contact)
Y1 and Y2 jumpered: Auto RESET
SIRIUS 3RN2 thermistor motor protection relay
Manual, 10/2016, A5E34244868002A/RS-AA/001
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