M851215 METSO

M851215  METSO Power Board

Product  Description：

Metso power boards are heavy-duty industrial electronic assemblies designed to distribute, regulate, and manage electrical energy within automated process control systems, valve controllers, and mining or aggregate machinery. These boards act as the primary power processing layer, converting unstable external plant power into clean, isolated DC voltages required by delicate control electronics, digital processors, and field actuators. Built to withstand extreme industrial environments, they ensure uninterrupted operation in high-vibration and high-temperature settings.

Product Parameters

The technical operating limits and capacities of Metso power boards are defined by industrial-grade electrical specifications:

• Input Voltage Accommodation: Dual-capability designs supporting standard 110V to 240V AC utility power as well as 24V DC industrial battery bank inputs.

• Output Voltage Configuration: Provides highly regulated multiple output rails, typically delivering 5V DC for logic processors, 12V DC for communication interfaces, and 24V DC for field loop devices.

• Total Rated Output Power: Engineered for continuous heavy loads, with typical power outputs ranging from 150 Watts to over 500 Watts depending on the specific rack or enclosure size.

• Holdup Time Capability: Features integrated energy storage capacitors providing a holdup time of 20 milliseconds or more, allowing systems to ride through minor mains power sags without resetting.

• Galvanic Isolation Strength: Offers robust input-to-output dielectric isolation rated up to 3000V AC to protect internal networks from severe external line surges.

• Environmental Temperature Range: Fully rated for continuous operation in ambient temperatures from -40°C up to 70°C without the immediate need for external forced-air cooling.

Product Advantages

Metso power boards offer substantial performance and longevity benefits for continuous processing plants:

• High Fault Tolerance and Redundancy: Designed with built-in diode auctioning circuits that allow two power boards to be paired in a redundant configuration, guaranteeing that if one board fails, the secondary board assumes the load instantly without system interruption.

• Exceptional Thermal Management: Utilizing thick copper planes and aluminum-core printed circuit boards, the design maximizes passive heat dissipation away from critical semiconductors, extending component lifespan.

• Conformal Coating Protection: Standard assemblies receive heavy-duty G3-class conformal coating, making the boards highly resistant to moisture, conductive dust, iron filings, and corrosive chemical vapors.

• Low Electromagnetic Emission: Integrated high-attenuation line filters suppress internal switching noise, ensuring compliance with strict global electromagnetic compatibility standards and preventing crosstalk with sensitive analog measurement signals.

• Intelligent Diagnostic Feedback: Equipped with onboard hardware monitors that send real-time health data, such as voltage levels and internal temperature metrics, directly to the main diagnostic controller for preventative maintenance planning.

Product Applications

These power boards serve as the foundational energy distribution infrastructure across several primary heavy industries:

• Mineral Processing and Mining: Supplying clean power to the distributed control nodes on large-scale rock crushers, grinding mills, and vibrating screens.

• Pulp and Paper Mills: Governing the power distribution for automated continuous digesters, chemical recovery boilers, and high-speed paper machine control racks.

• Field Valve Automation: Operating inside ruggedized digital valve controllers and smart positioners to provide the sudden high-current pulses needed to stroke heavy pneumatic or hydraulic valves.

• Metal Refining and Smelting: Providing reliable logic and control power in the high-heat, high-EMI environments surrounding electric arc furnaces and aluminum electrolysis lines.

• Biomass and Waste-to-Energy Plants: Ensuring constant control system uptime for fuel feed conveyors, emission monitors, and steam turbine control modules.

Important Precautions

To preserve the operational safety and electrical integrity of the power board, the following handling and installation guidelines must be practiced:

• Capacitor Discharge Waiting Period: This board contains high-capacity electrolytic capacitors that store high voltages. After turning off the main power supply, wait at least five minutes for the residual voltage to discharge completely before attempting to remove or service the board.

• Proper Enclosure Selection: While the board is ruggedized, it must always be housed in an enclosure that matches the specific plant environment, such as a NEMA 4 or IP65 cabinet if exposed to washdown conditions or outdoor weather.

• Correct Terminal Torque Specifications: When connecting incoming power cables to the screw or clamp terminals, use a calibrated torque screwdriver to tighten connections to the exact manufacturer specification, as loose wires cause localized overheating and arc faults.

• Preventative Grounding Practices: Ensure that the chassis grounding tab of the power board is bonded directly to the main panel earth ground with a short, low-impedance braided strap to allow high-frequency noise to drain safely.

• Overcurrent Protection Integrity: Always maintain the specified external fuse or circuit breaker ratings on the incoming AC line. Never bypass an open fuse or replace it with a higher amperage rating than what is printed on the board markings.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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