Description
1. At-A-Glance Executive Brief
- Model: PW441-10
- Brand: Yokogawa
- Part Type: Power Supply Module
- System Compatibility: CENTUM Vnet/IP and Wide Area Communication Router hardware racks
- Lifecycle Status: Active / Legacy Support
- Weight: 0.565 kg
2. Technical Introduction
Instability within distributed network nodes often stems from line voltage fluctuations degrading local power conversion components inside communication chassis. Plant technicians troubleshooting intermittent network drops on remote gateway nodes frequently discover marginal power regulation capacity under high data traffic loads.
The Yokogawa PW441-10 addresses this vulnerability by delivering clean, regulated power specifically tailored for Vnet power configurations. Engineered to manage tight input tolerances, this module guarantees continuous operational integrity for control network hardware deployed in harsh industrial environments.
3. Core Technical Specifications
| Parameter | Value |
| Manufacturer | Yokogawa |
| Product Type | Power Supply Module |
| Input Voltage | 100–120 V AC, 50/60 Hz |
| Current Output | 1.4 A |
| Target Application | Vnet / Communication Power |
| Mounting Type | Rack / Cabinet Chassis Mount |
| Terminal Connection | M4 screw terminal connection |
| Operating Temperature | Please refer to the OEM datasheet for complete environmental tolerances. |
4. Field Engineer’s Tech Notes
- Load Calculation and Inrush Current: When replacing or commissioning a PW441-10 module, ensure upstream distribution breakers are adequately sized to handle initial capacitive inrush. Avoid running individual power legs near maximum amperage thresholds to prevent premature thermal stress on internal switching components.
- Redundant Pair Monitoring: In dual-redundant rack configurations, verify that both power supply inputs draw equally from separate phases or UPS feeds. An unbalanced load sharing profile points to an internal diode drop or failing line filter capacitor on one of the modules.
5. Adaptive QA & Testing Protocol
Every pre-owned or New Surplus PW441-10 unit undergoes strict bench validation before leaving our facility. Our technicians mount the module to a live test chassis, applying a variable 100-120V AC input via an isolation transformer. We ramp electronic loads up to the 1.4A nominal threshold, verifying output stability, ripple voltage suppression, and front-panel LED status indicators under load. Complete QA test documentation and video verification clips are available upon request to procurement teams.
6. Buyer’s FAQ
- What warranty coverage comes with this power supply?All units include a comprehensive 12-month replacement warranty covering component performance under standard industrial operating conditions.
- Is this part supplied as New Surplus or refurbished?We maintain stock of both factory-sealed New Surplus (NSFP) and fully tested, bench-certified refurbished units. Exact condition is confirmed at the time of quotation.
- How fast can this module ship to an active facility?In-stock orders ship same-day via expedited air freight to prevent extended downtime during critical maintenance windows.
- Are suffix variations like -S2 interchangeable?Suffix codes often denote specific hardware release levels or localized packaging standards. Verify your backplane model and input voltage parameters against your existing part tag before placing an order.
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