Description
1. At-A-Glance Executive Brief
- Model: A413337 (SPUC)
- Brand: Metso Automation (Valmet / Damatic)
- Part Type: Signal Processing & Utility Card / Power Supply Unit (SPUC)
- Lifecycle Status: Legacy / Obsolete (Discontinued by OEM)
- System Compatibility: Metso Damatic XDi control and I/O station racks
- Weight: 6.1 kg
2. Technical Introduction
3. Core Technical Specifications
| Parameter | Value |
| AC Input Range | 100 to 240 V AC, 1 A Max, 45–65 Hz |
| DC Output Range | 18 to 27.2 V DC, 60 A Max |
| Module Designation | SPUC (Signal Processing & Utility / Power Card) |
| Target Architecture | Damatic XDi Distributed Control System Racks |
| Enclosure Mounting | Dedicated internal card-slot chassis mount |
4. Field Engineer’s Tech Notes
- Bulk Capacitance and Inrush Current: When replacing this power unit, ensure upstream circuit breakers are sized to handle initial inrush currents. Aging distribution panels can experience nuisance tripping if fast-acting thermal-magnetic breakers are used without adequate transient delay.
- DC Rail Voltage Adjustment: Verify the output voltage potentiometer is trimmed to precisely match your rack’s nominal bus requirement (typically 24 V DC) under load before connecting sensitive processor or I/O cards to prevent overvoltage trips.
5. Adaptive QA & Testing Protocol
Each unit undergoes full-load bench testing using adjustable AC input sources and electronic DC loads to verify output regulation across the 18 to 27.2 V DC span up to 60 A capacity. Technicians evaluate thermal dissipation efficiency under sustained loads, check ripple voltage parameters, and test internal protection circuit responses against overcurrent and short-circuit faults. Comprehensive test logs and pre-dispatch verification 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 failures.
- Is this specific SPUC module directly interchangeable across legacy Damatic racks?
Yes, provided the part number and hardware configuration match your system cabinet’s backplane distribution layout.



