Description
PS 956-0AA12 — Power Supply
Siemens · PS 956-0AA12 · 6ES5956-0AA12
Description
SIMATIC S5 956 power supply module providing an auxiliary/backup 15V DC output, used within the S5-135U/155U power supply chassis alongside the main 5V logic supply.
Key specifications
Parameter | Value |
Function | Auxiliary DC power supply module |
Output voltage | 15 V DC |
Compatible controller | S5-135U/155U (per family; verify nameplate) |
Application | Auxiliary supply for CPU/peripheral circuits |
Reference
Field | Value |
Manufacturer (OEM) | Siemens |
Model | PS 956-0AA12 |
Part number | 6ES5956-0AA12 |
Category | Power Supply |
System family | SIMATIC S5-135U/155U |
Stores quantity | 9 |
Data confidence | low |
Manuals filed (007 - Manuals)
- Manual CP1430 English Vol1.pdf — S5-115U system reference (CP/comms volume)
- 02 - CPU948 Programming Manual.pdf — S5 CPU programming reference (115U/155H family)
Notes
Order number and general 956/15V power module family plausible for S5-135U/155U auxiliary power chain, but exact Siemens datasheet for 6ES5956-0AA12 not independently located; specs inferred from inventoried description only, verify nameplate.
Source: Spare Parts List for Sales V7 (Bohemia Market / BM Global stores inventory). Filed in the AI HW Knowledge Base.