Description
SED31 Diode Module — Other
Siemens · SED31 Diode Module · 6FQ9891-0A
Description
Siemens ISKAMATIC/E feed-in diode module type SED31, a rectifier diode assembly used within the excitation/rotating-rectifier circuit of an ISKAMATIC E turbine-generator excitation control system.
Key specifications
Parameter | Value |
Function | Feed-in rectifier diode module |
Type designation | SED31 (SED319243 per inventory desc) |
System | ISKAMATIC E |
Application | Generator excitation / rotating-rectifier feed circuit |
Reference
Field | Value |
Manufacturer (OEM) | Siemens |
Model | SED31 Diode Module |
Part number | 6FQ9891-0A |
Category | Other |
System family | ISKAMATIC |
Stores quantity | 13 |
Data confidence | low |
Manuals filed (007 - Manuals)
- Simadyn D Hardw_e new 32bit.pdf — Nearest available Siemens turbine-control hardware reference (ISKAMATIC has no dedicated manual in library)
Notes
Vendor listing (Jopesch) confirms part number and 'Iskamatic E SED31' designation, but detailed electrical ratings (voltage/current) were not found in available documentation; ISKAMATIC is a legacy Siemens turbine/generator control system, verify nameplate.
Source: Spare Parts List for Sales V7 (Bohemia Market / BM Global stores inventory). Filed in the AI HW Knowledge Base.