Description
DO 451 — Digital Output Module
Siemens · DO 451 · 6ES5451-8MA11
Description
The DO 451 (6ES5451-8MA11) is an isolated digital output module for the SIMATIC S5-90U/95U/100U, ET 100U, and ET 200U systems, providing 8 digital outputs at 24V DC with 1A per channel. Per inventory notes, it is compatible with the related part 6ES5441-8MA11.
Key specifications
Parameter | Value |
Function | Digital output module for S5-90U/95U/100U, ET100U, ET200U |
Channels | 8 digital outputs |
Output rating | 24 V DC, 1 A per channel |
Isolation | Floating (isolated) |
Compatible/cross part | 6ES5441-8MA11 (per inventory desc) |
Reference
Field | Value |
Manufacturer (OEM) | Siemens |
Model | DO 451 |
Part number | 6ES5451-8MA11 |
Category | Digital I/O |
System family | SIMATIC S5-90U/95U/100U |
Stores quantity | 10 |
Data confidence | high |
Manuals filed (007 - Manuals)
- Manual STEP5 S5-100U English.PDF — S5-100U system manual (English) covering CPU/IO/memory for the 100U programmable controller
Notes
Verified via 4dcontrols.com and siemens1.ru datasheets confirming DO 451-8MA11 = 8x24VDC/1A isolated output module.
Source: Spare Parts List for Sales V7 (Bohemia Market / BM Global stores inventory). Filed in the AI HW Knowledge Base.