Siemens 7SR45 Manual

Also see for Reyrolle 7SR45: Engineering guide Manual

Revision HistorySoftware Revision History2020/08 2438H80001R2f-1a • Protection function 51-1 setting range change to 0.1 ⋅ Irated to2.0 ⋅ Irated• User-Programmable LED feature added2020/05 2438H80001R2e-1b Software maintenance2019/12 2438H80001R2e-1a Thermal overload protection function (49) added2019/05 2438H80001R2c-1b Software maintenance to suit customer requirements2018/11 2438H80001R2c-1a Supervision function (81HBL2) added2018/06 2438H80001R1f-1a Third Release2018/06 2438H80001R2b-1b Third Release2018/04 2438H80001R2a-1a Second Release2017/08 2438H80001R1e-1a Software maintenance to suit customer requirements2017/01 2438H80001R1d-1a • Protection function 50, 50N, 50G setting range change to0.2 ⋅ Irated to 20 ⋅ Irated in step of 0.1 ⋅ Irated• Protection function 50, 50N, 50G reset ratio changed to 90 %for setting below 1 ⋅ Irated and 94 % for setting above 1 ⋅ Irated2016/10 2438H80001R1c-1a Software maintenance to suit customer requirements2016/09 2438H80001R1b-1a • Faster response times on 1 phase (t + 100 ms max) in 0.2 to0.3 ranges.• IRF functionality.2015/08 2438H80001R1a-1a First ReleaseHardware Revision History2018/06 7SR450/FF Third Release (with reduced front cover and housing height)2018/04 7SR450/EE Second Release (with Aux. Power supply, remote flag and localflag, RS 485, additional AC/DC BIs and BOs)2017/02 7SR450/DD Hardware maintenance2016/09 7SR450/CC Circuit changes to improve signal conditioning2015/08 7SR450/BB First ReleaseA.1AppendixA.1 Revision History100 Reyrolle, Operating, ManualC53000-B7040-C101-1, Edition 08.2020

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