Skip to main content
Siemens 7SR5421-2AD26-1AA0 — General Purpose Relays

Siemens 7SR5421-2AD26-1AA0

MPN7SR5421-2AD26-1AA0

Transformer protection (2 wdg.) 8 curr. trans., 4 volt. trans. 3 AFD (Arc Flash Detector), 17 BI, 13 BO (incl. 3 HSBO) Standard interface: 1 x USB (front), RS 485 (rear) + 2 x optical LC- interfaces S12 enclosure incl. conformal coating

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

7SR5421-2AD26-1AA0 — Mechanical
ParameterValue
Width308 mm
Height177 mm
Depth217.5 mm
MPN
7SR5421-2AD26-1AA0