Yokogawa SPW482-50 System Power Supply 100-240VAC
Manufacturer: Yokogawa
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Part Number: SPW482-50
Condition：New with Original Package
Product Type: ProSafe-RS Safety Systems
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Country of Origin: Japan
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The Yokogawa SPW482-50 functions as the central power conversion unit for Yokogawa’s distributed control systems (DCS) and safety instrumented systems (SIS). It converts wide-range AC input into a high-stability 24V DC rail, providing the essential energy required for CPUs, communication interfaces, and I/O nodes. We supply this module as 100% Brand New and Original, guaranteeing that your critical infrastructure—whether in oil and gas, power generation, or chemical processing—operates with zero interruptions.
Technical Specifications
The SPW482-50 features a high-density, fanless design to ensure long-term serviceability in harsh industrial cabinets:
| Item | Specification |
| Model | SPW482-50 |
| Input Voltage | 100 – 240 V AC (Wide Range), 50/60 Hz |
| Output Voltage | 24 V DC (Regulated) |
| Output Power | Up to 150 W (Supports full rack loading) |
| Redundancy | Supports dual-module redundant configuration |
| Cooling | Passive natural convection |
| Operating Temp | 0 °C to +55 °C |
| Protection | Short-circuit and overvoltage protection |
| Dimensions | 50 × 130 × 150 mm |
| Weight | 0.8 kg |
Engineering Advantages
The SPW482-50 addresses the specific demands of high-availability industrial networks:
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Hot-Swappable Redundancy: The hardware supports live replacement. In a redundant setup, you can extract and replace a faulty module while the system remains under power. The secondary unit maintains the 150W load instantly, preventing process trips and protecting your plant's "continuous uptime" status.
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Aggressive Input Filtering: The module manages the wide 100-240VAC input range with internal conditioning that suppresses line noise and voltage surges. This ensures that the downstream 24VDC rail remains "clean," protecting sensitive digital logic in ProSafe-RS safety systems from electronic jitter.
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Passive Heat Dissipation: By utilizing high-efficiency internal power components, the SPW482-50 sheds heat through natural convection. The absence of mechanical fans eliminates a common failure point, allowing for deployment in dusty or corrosive environments where fan-cooled units would typically fail.
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Advanced RAS Monitoring: Integrated status LEDs and health-monitoring circuits provide real-time diagnostics. The system tracks power health and reports faults to the DCS operator station immediately, allowing for rapid intervention before a secondary failure occurs.
FAQs
Q: Can I replace an older SPW482-53 with this SPW482-50 module?
A: Yes. The SPW482-50 is part of the established SPW series. While specific suffixes (like -53 or -50) may denote different hardware styles or revisions, they typically maintain functional and physical compatibility within the same Yokogawa system racks. Always verify your rack style (S1 vs. S2) before installation.
Q: Does this module require a specialized mounting kit?
A: No. The SPW482-50 slides directly into the dedicated power slots of standard Yokogawa system racks. It secures via standard rack-locking mechanisms to ensure a vibration-proof electrical connection.
Q: How do I identify a power failure via the module itself?
A: The front panel contains diagnostic LEDs. A steady green "READY" light indicates healthy operation. If the light extinguishes or an "ALARM" indicator activates, the internal diagnostics have detected an input loss or an out-of-spec output voltage.
Q: Is the 150W output sufficient for a fully populated I/O rack?
A: Absolutely. The SPW482-50 provides ample current to drive a complete set of high-density analog and digital I/O modules, including loop-powered sensors, without exceeding its rated capacity.