Description
1. At-A-Glance Executive Brief
- Model: D100789
- Brand: Metso Automation (Valmet / Neles)
- Part Type: IPU-2 Input Power Unit Module
- Lifecycle Status: Legacy / Discontinued by OEM
- System Compatibility: Metso / Valmet rack-mounted industrial and marine automation systems
- Weight: 1.41 lbs (0.64 kg)
2. Technical Introduction
3. Core Technical Specifications
| Parameter | Value |
| Module Designation | IPU-2 (Input Power Unit) |
| Product Category | PLC / Rack-Mounted Power Supply Module |
| Enclosure Integration | Slot-mounted card with integrated aluminum heat sink |
| Target Architecture | Valmet / Metso distributed control hardware racks |
| Operating Environment | Industrial and marine automation cabinets |
4. Field Engineer’s Tech Notes
- Thermal Management and Heat Sinking: Ensure the cabinet convection flow is unobstructed and the module’s aluminum heat sink is free of dust accumulation. Restricted airflow in older chassis racks accelerates electrolytic capacitor degradation and shortens MTBF.
- Input Voltage Verification: Confirm rack backplane input distribution voltages match nominal ratings prior to sliding the unit into position. Hot-insertion without validating bus voltage can cause internal fuse failure or damage the input rectification stage.
5. Adaptive QA & Testing Protocol
Each unit undergoes bench testing under variable resistive loads to verify DC output rail stability, ripple voltage limits, and overcurrent protection trip points. Power conversion efficiency and thermal dissipation characteristics are monitored across extended operational cycles. Comprehensive test logs and pre-dispatch functional videos are available upon request.
6. Buyer’s FAQ
- What condition is this power unit supplied in?
Inventory is maintained in verified New Surplus (NSFP) and thoroughly bench-tested refurbished conditions, backed by a standard operational warranty.
- What is the typical shipping lead time for urgent site requirements?
Standard stock orders dispatch within 1 to 2 business days via global priority couriers to minimize process downtime during unexpected power supply failures.
- Is this specific IPU-2 part number directly interchangeable across legacy Valmet racks?
Yes, provided the hardware revision matches your system’s backplane power distribution specifications and physical chassis slot constraints.
