SIMATIC S7-300, CPU 315-2DP 1998-03-15... 1999-05-01 SIMATIC S7-300, CPU 315-2 DP CPU WITH INTEGRATED 24 V DC POWER SUPPLY, 64 KBYTE WORKING MEMORY 2ND INTERFACE DP-MASTER/SLAVE 16-Bit Single-Chip Microcontroller ...
Siemens S7-300 CPU PLC Battery for Simatic S7 Controller
5 X 6Es7971-1Aa00-0Aa0 Plc Battery 3.6V For Siemens S7-300 Ls14250C Plc - SPW Industrial
Battery Replacement for PLC 6ES7971-1AA00-0AA0 S7-300 3.6V - BHENB09040028