Auxiliary Circuit Connections; Protection Function; Safety - Siemens SIRIUS 3RU2 Manual

Technical data
11.3 3RU21 thermal overload relays
11.3.2.5

Auxiliary circuit connections

Technical data for auxiliary circuit connection, 3RU2136 overload relays
Design of the electrical connection for
auxiliary and control current circuit
Type of the connectable conductor
cross-section
for auxiliary contacts
•
– solid or multi-stranded
– finely stranded
– without conductor final cutting
– with conductor end processing
for AWG conductors
•
Tightening torque for auxiliary contacts
with screw-type terminals
•
Design of the thread of the
connection screw of the auxiliary and
control pins
11.3.2.6

Protection function

Technical data for the protection function, 3RU2136 overload relays
Product function overload protection
Product function overload warning
Product function phase disturbance recognition
Product function short-circuit to earth recognition
Design of the overload circuit breaker
11.3.2.7

Safety

Technical data for safety, 3RU2136 overload relays
You can obtain information on the safety-related data of 3RU2136 thermal overload relays
from the Product Data Sheet (Page 101) or upon request from Technical Assistance
(http://www.siemens.com/sirius/technical-assistance).
120
3RU2136-..B.
screw-type terminals
2x (0,5 ... 1,5 mm²),
2x (0,75 ... 2,5 mm²)
—
2x (0,5 ... 1,5 mm²),
2x (0,75 ... 2,5 mm²)
2x (20 ... 16), 2x (18 ... 14)
N·m 0.8 ... 1.2
M3
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
3RU2136-..D.
spring-loaded terminals
2x (0,5 ... 2,5 mm²)
2x (0,5 ... 2,5 mm²)
2x (0,5 ... 1,5 mm²)
2x (20 ... 14)
—
—
3RU2136-....
Yes
No
Yes
No
thermal
Manual, 09/2014, A5E03656507420A/RS-AA/002