Ordering Options - Siemens 7SR45 Argus User Manual

1.4

Ordering Options

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