Section 1: Performance Specification; Indication Of Conformity; Technical Specifications; Table 1-1 Technical Data Overview - Siemens 7SR45 Argus User Manual

Section 1: Performance Specification

1.1

Indication of Conformity

Low Voltage Directive:
2014/35/EU Directive of the European Parliament and of the Council of 26 February 2014 on the
harmonisation of the laws of the Member States relating to the making available on the market of
electrical equipment designed for use within certain voltage limits; Official Journal of the EU L96,
29/03/2014, p. 357–374 (from 20.04.2016)
EMC Directive:
2014/30/EU
harmonisation of the laws of the Member States relating to electromagnetic compatibility; Official
Journal of the EU L96, 29/03/2014, p. 79–106 (from 20.04.2016)
1.2

Technical Specifications

This section provides the technical information of 7SR45 Self Powered Overcurrent and Earth Fault Relay.
Table 1-1
Product Family
(Self powered)
Case and LEDs
Measuring Inputs
(Current)
Communication
Protection Functions
Binary Input and Binary
Output
Pulse output
Overvoltage
Pollution Degree
Table 1-2
Minimum current for
relay operation
Table 1-3
Design
Enclosure
Weight
© 2017 Siemens Protection Devices Limited
Directive of the European Parliament and of the Council of 26 February 2014 on the
Technical Data Overview
Non Directional Self Powered Overcurrent and Earth Fault Relay
Non draw-out polycarbonate case (Size 4 standard, Non draw-out
design), 9 fixed function LEDs
1 A or 5 A (ordering option), 50 Hz/60 Hz
Front communication port (works with Reydisp Evolution)
50, 50G/N, 51, 51G/N, 50LC/SOTF
2 BI and 2 BO
24 V, 0.1 Ws pulse output
Category III
2
Sensitivity
0.20xIn (minimum phase current) in single phase
0.13xIn (minimum phase current) in three phases
Mechanical Specifications
Panel mounting, Non draw-out polycarbonate moulded case
IP 52 (front panel)
IP 40 (enclosure sides)
IP 20 (rear side)
Depth is 203 mm
1.8 kgs (appx)
7SR45 Performance Specification
Chapter 3 Page 3 of 10