Standard Variants Of 7Sr45 - Siemens Reyrolle 7SR45 Manual

Device Modules and Terminal Details

2.8 Standard Variants of 7SR45

2.8

Standard Variants of 7SR45

The 7SR45 Argus Relay is housed in a non draw-out 4U size 4 case.
The rear connection comprises user-friendly pluggable type terminals:
•
Binary input (BI)
•
Binary output (BO)
•
Pulse output (PO)
•
Fixed terminal current transformer (CT) (non-pluggable)
•
Remote flag indicator
•
RS485 communication port
•
Auxiliary power supply
The CT terminals are suitable for ring-type lug connections and to provide a secure and reliable termination.
7SR4501/7SR4503 Terminal/Wiring Diagram
[lo_7SR4501(03)-xGB10 terminal label/wiring diagram, 5, en_US]
Figure 2-8
26
Terminal Diagram of Self Powered Non-Directional Overcurrent and Earth Fault Relay with Flag
(7SR4501-xGB10-1Ax0 and 7SR4503-xGB10-1Ax0)
Reyrolle, Hardware, Manual
C53000-T7040-C101-2, Edition 09.2020