7Sr45 Overcurrent And Earth Fault Relay Overview - Siemens Reyrolle 7SR45 Argus Device Manual

Introduction

1.1 7SR45 Overcurrent and Earth Fault Relay Overview

1.1 7SR45 Overcurrent and Earth Fault Relay Overview
The 7SR45 Argus self powered/dual powered non-directional overcurrent and earth fault relay is a member of
the Siemens Reyrolle protection devices Argus product family. The relay is developed using the latest genera-
tion of hardware technology and is available in multiple variants depending on the following:
•
CT ratings (1 A/5 A)
•
Auxiliary power supply
•
Communication configuration
•
Binary inputs (2/4)
•
Binary outputs (2/4)
•
Pulse output
•
Local/remote flag indicator
[sc_7SR45_argusrelay_devices, 1, en_US]
Figure 1-1
NOTE
i
i
In this Manual, the 7SR45 Argus self powered/dual powered non-directional overcurrent and earth fault
relay will be referred as 7SR45 Argus relay
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7SR45 Overcurrent and Earth Fault Relay
Reyrolle, 7SR45, Device Manual
C53000-G7040-C101-2, Edition 09.2020