The Siemens 6ES7928-3BA00-4AA0 is a replacement relay pack for TPRI applications, delivering four units per pack. The coil is rated for 230 V AC, and the output side provides 24 V DC. This is a drop-in service part for existing TPRI installations — not a general-purpose relay for new designs.
Siemens 6ES7928-3BA00-4AA0 Replacement Relay Pack, Mature Li
MPN6ES7928-3BA00-4AA0
Siemens 6ES7928-3BA00-4AA0, replacement relay for TPRI, 230 V AC coil voltage, 24 V DC output, pack of 4 pieces, mature lifecycle stage.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Product details
MPN
6ES7928-3BA00-4AA0