SIRIUS 3RU2/3RB3 overload relays
5.7 Connection
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
515
5.7.2 Connection of 3RB30/3RB31 overload relays
Control circuit
3RB30/3RB31 solid-state overload relays have an intrinsic supply; i.e. an additional power
supply is not required.
Connection of terminals
Terminal Designation
2T1
4T2
6T3
Main circuit terminals
95
96
NC contact (NC 95-96)
97
98
NO contact (NO 97-98)
14/22 Feed-through contactor auxiliary switch (S00 only)
A2 Feed-through contactor coil terminal (S00 only)
Reference
More information ... Can be found in the chapter titled ...
About connecting the SIRIUS modular system System overview, under Connection (Page 74)
About conductor cross-sections and tightening
torques
Conductor cross-sections main circuit (Page 549)
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