Description
Siemens SIMATIC S5 EPROM Memory Submodule
Model: 6ES5374-1KH21 | SVP L6 118525 | Genuine Made in Germany
Note: This is a brand new, unused component. Since the original factory box is not included, we are listing it as “Used” per platform guidelines. The hardware is in pristine condition with zero insertion marks on the contact pins.
Product Overview
The premium Siemens SIMATIC S5 (6ES5374-1KH21) is an essential non-volatile storage submodule designed for legacy S5 industrial automation networks. Manufactured to exacting German standards, this 256KB Flash EPROM card features a specialized “Short Design” form factor. It provides critical program backup and system data architecture support, ensuring that classic manufacturing machinery maintains its operational logic and prevents unexpected downtime due to data loss.
Technical Specifications
| Parameter | Specification Details |
|---|---|
| Brand | Siemens AG (SIMATIC S5) |
| Part Number (MLFB) | 1P 6ES5374-1KH21 (6ES53741KH21) |
| ID Marking | SVP L6 118525 |
| Memory Type | Flash EPROM (Non-Volatile) |
| Storage Capacity | 256 KB |
| Form Factor | Short Design Block |
| Operational Voltage | 5V Flash Logic |
| Country of Origin | Germany |
Hardware Compatibility
This 256KB submodule is engineered to interface with the following legacy SIMATIC hardware:
- SIMATIC S5 CPU 945: Primary program storage card for 945 processing racks.
- IM 308-C Interface Modules: Provides essential data mapping for distributed I/O interface blocks.
- Legacy Factory Automation: Suitable for specialized S5 systems requiring high-reliability non-volatile memory sub-blocks.

