Siemens 7SR45 Argus User Manual

7SR45 Description of Operation
© 2017 Siemens Protection Devices Limited Chapter 1 Page 7 of 34
1.4 Ordering Options
Reyrolle - 7SR45 Argus
Product
description
Variants Order No.
1 2 3 4 5 6 7 - 8 9 10 11 12 - 13 14 15 16
7SR45 Argus
7
S
R
4
5
0
-
A
-
1
A
A
0
Non directional O/C Relay
Relay Type
Size 4 Moulded Case (Non-Drawout Design), 4 CT
1)
,
2 BI/2 BO, Impulse output, 9 LEDs
1
Measuring Input
1 A, 50/60 Hz
1
5 A, 50/60Hz
2
Auxiliary Voltage
Self Powered ( CT Powered Only)
G
Spare
A
Communication Options
Front Communication port : USB
1
Protocol
No Protocol (No rear port communication)
0
Front Fascia
Standard Version
1
Protection Function Packages - Standard version
50 Instantaneous phase fault overcurrent
A
50G/50N Instantaneous earth fault
51 Time delayed phase fault overcurrent
51G/51N Time delayed earth fault
50LC/SOTF Switch-On-To-Fault
Additional functionality
No additional functionality
A
Spare
Spare
0
1)
4 CT is configured as 3PF + EF

Siemens 7SR45 Argus Specifications

General

Brand	Siemens
Model	7SR45 Argus
Category	Relays
Language	English