The Elsag Bailey IEPMU01 is a rear-mounted Power Mounting Unit for the INFI 90 AC modular power system. It houses and connects as many as ten power modules while separating the higher-current power section from process-control modules.
- IEPMU01 Power Mounting Unit
- INFI 90 AC Modular Power System
- Rear mounted
- Up to 10 power modules
The IEPMU01 provides the physical housing and power interconnections for the system's modular power supplies. The installed power modules create the documented system DC rails; the mounting unit itself is not a process I/O module and does not measure field signals.
Important Notice: Keep the complete IEPMU01 marking unchanged and verify the physical nameplate, revision, companion hardware, and current ABB/Elsag Bailey documentation before installation or replacement.
Apter Power IEPMU01 Manuals and Guides
Important Notice: These are two separate Apter Power documents prepared from the official ABB/Elsag Bailey source named in each document. Confirm the physical nameplate, current manufacturer documentation, and applicable installation or system drawing before installation or replacement.
Control System Integration
INFI 90 control cabinets requiring segregated, modular DC power generation and distribution.
Signal and Data Handling
Power distribution and backplane interconnection; no direct process input or output channels.
Companion Hardware
Up to ten compatible INFI 90 power modules, cabinet fan/cooling system, power-entry wiring and the process-module mounting architecture.
Commissioning and Verification
Use IEPMU01 only after confirming its complete nameplate, revision, configuration, connections, and affected system functions.
Read and follow the official manufacturer source and applicable installation instructions before use. Verify the exact complete ordering code from the physical nameplate.
1
Size and verify the installed power-module set from the system load calculation; the mounting-unit model does not define available output current.
2
Maintain required cabinet cooling and inspect fan operation before energizing a fully populated power mounting unit.
3
Use lockout/isolation procedures and confirm all DC rails before reconnecting process modules.
4
Observe the applicable wiring, grounding, approval, environmental, and enclosure requirements.
5
Record the complete model, revision, configuration, and commissioning results before returning the system to service.
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