The Metso D201925 is a heavy-duty 24VDC power supply unit designed for mineral processing control systems, part of Metso’s Diamond Series power solutions. This 20A rated module delivers 480W continuous power with 92% conversion efficiency, specifically engineered for ball mill motor control cabinets in mining applications. The Metso D201925 features IP66-rated enclosure protection against dust and high-pressure water jets in aggregate processing plants.
As a key component in Metso’s Plantwide Automation (PWA) platform, this power supply supports parallel redundancy configuration for critical grinding circuit controls. Its wide operating temperature range (-40°C to +85°C) ensures reliability in Arctic mining operations. The D201925 incorporates active harmonic correction (THD <8%) to meet IEEE 519 standards in copper smelter substations.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | D201925 |
| Manufacturer | Metso |
| Product Type | Industrial Power Supply |
| Input Voltage | 100-240VAC (45-65Hz) |
| Output Voltage | 24VDC ±1% |
| Rated Current | 20A (480W) |
| Peak Current | 25A (5 seconds) |
| Efficiency | 92% @ 230VAC input |
| Protection Class | IP66/Type 4X |
| Operating Temperature | -40°C to +85°C |
| Cooling Method | Convection/Forced air |
| Dimensions | 150×110×60mm |
| Weight | 2.1kg |
| Certifications | UL 508, CE, ATEX Zone 2 |
Key Features and Advantages:
Robust construction: The D201925 features aluminum alloy housing with MIL-STD-810G vibration resistance (5-500Hz, 3Grms), surviving conveyor belt impacts in iron ore processing lines. Corrosion-resistant stainless steel terminals withstand acidic atmospheres in zinc electrowinning plants.
Intelligent power management: Automatic current sharing (±2.5% accuracy) enables parallel operation of up to 4 units for 80A critical loads. Built-in MODBUS RTU interface allows remote monitoring of output voltage (±0.5% monitoring accuracy) through Metso Metrics™ platform.
Advanced protection: Three-stage input filtering reduces EMI emissions below CISPR 11 Class A limits. Output short-circuit protection with auto-recovery (0.5-5s adjustable) prevents downtime in flotation cell control systems.
Application Areas:
The Metso D201925 powers:
- Mining: SAG mill lubrication systems
- Cement Production: Rotary kiln drive controls
- Pulp & Paper: Digester pressure transmitters
- Water Treatment: Sludge press PLC cabinets
In underground coal mines, its ATEX certification enables safe operation in methane-rich environments. The module’s 3000m altitude rating supports copper leaching processes in Andean mining sites. Special conformal coating option protects against salt mist in coastal mineral processing plants.
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Installation and Maintenance:
Installation preparation: Verify incoming voltage stability (±10% tolerance) before energizing D201925. Use 10AWG copper cables with crimped ferrules for output connections to crusher motor starters. Maintain minimum 75mm clearance around ventilation slots in enclosed panels.
Maintenance recommendations: Clean external surfaces quarterly using pH-neutral cleaner in cement plant environments. Perform annual torque check on power terminals (2.5Nm ±10%). Replace internal fans after 50,000 operating hours in high-dust limestone processing facilities.
Product Assurance:
Metso provides 12-month extended warranty for D201925, including 24/7 technical support through global mining service centers. Each unit undergoes 100-hour load cycling test with ±15% input voltage variation. Field replacement guarantee within 72 hours for registered mining operation customers.
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