S7-300 Accessories
![](https://spsepahan.com/wp-content/uploads/2024/03/6ES7971-1AA00-0AA0.png)
SIMATIC S7, Backup battery (LI) 3.6 V/min. 0.85 Ah, for for S7-300
CPUs and S5-90U
![](https://spsepahan.com/wp-content/uploads/2024/03/P_PM10_XX_00010K-pr.png)
SIMATIC S7-300, mounting rail, length: 160 mm
![](https://spsepahan.com/wp-content/uploads/2024/03/P_PM10_XX_00010K-pr.png)
SIMATIC S7-300, mounting rail, length: 482.6 mm
![](https://spsepahan.com/wp-content/uploads/2024/03/P_PM10_XX_00010K-pr.png)
SIMATIC S7-300, mounting rail, length: 530 mm
![](https://spsepahan.com/wp-content/uploads/2024/03/P_PM10_XX_00010K-pr.png)
SIMATIC S7-300, mounting rail, length: 830 mm
![](https://spsepahan.com/wp-content/uploads/2024/03/P_PM10_XX_00010K-pr.png)
SIMATIC S7-300, mounting rail, length: 2000 mm
![](https://spsepahan.com/wp-content/uploads/2024/03/P_ST70_XX_05785Kpr.png)
SIMATIC S7, Micro Memory Card for S7-300/C7/ET 200, 3, 3V
Nflash, 64 KB
![](https://spsepahan.com/wp-content/uploads/2024/03/P_ST70_XX_05785Kpr.png)
SIMATIC S7, Micro Memory Card for S7-300/C7/ET 200, 3, 3V
Nflash, 128 KB
![](https://spsepahan.com/wp-content/uploads/2024/03/P_ST70_XX_05785Kpr.png)
SIMATIC S7, Micro Memory Card for S7-300/C7/ET 200, 3, 3V
Nflash, 512 KB
![](https://spsepahan.com/wp-content/uploads/2024/03/P_ST70_XX_05785Kpr.png)
SIMATIC S7, Micro Memory Card P. S7-300/C7/ET 200, 3, 3V
Nflash, 2 MB
![](https://spsepahan.com/wp-content/uploads/2024/03/P_ST70_XX_05785Kpr.png)
SIMATIC S7, Micro Memory Card for S7-300/C7/ET 200, 3, 3V
Nflash, 4 MB
![](https://spsepahan.com/wp-content/uploads/2024/03/P_ST70_XX_05785Kpr.png)
SIMATIC S7, Micro Memory Card for S7-300/C7/ET 200, 3, 3V
Nflash, 8 MB
![](https://spsepahan.com/wp-content/uploads/2024/03/6ES7392-1AJ00-0AA0.png)
SIMATIC S7-300, Front connector for signal modules with screw
contacts, 20-pole
![](https://spsepahan.com/wp-content/uploads/2024/03/6ES7392-1AM00-0AA0.png)
SIMATIC S7-300, Front connector with screw contacts, 40-pole