Phoenix MINI MCR-SL-UI-21

Phoenix MINI MCR-SL-UI-21 Power Board

Product  Description：

Phoenix Contact Power Boards, often integrated within the Quint, Trio, or Uno power ecosystems and electronic circuit breaker systems, are high-grade industrial assemblies engineered for reliable power distribution, voltage conversion, and circuit protection. These boards are designed to sit at the core of electrical control cabinets, receiving primary electrical energy and safely distributing stabilized power to critical components such as PLCs, industrial PCs, and field sensors.

Product Parameters

The technical characteristics of Phoenix Contact Power Boards are tailored for precise energy delivery and high electrical stability:

• Input Voltage Capability: Supports a broad range of input options, commonly including wide-range single-phase AC (85V to 264V AC), three-phase AC (320V to 575V AC), or specialized high-capacity DC inputs.

• Output Voltage Configuration: Primarily engineered to deliver highly stabilized 12V DC, 24V DC, or 48V DC outputs, with fine-tuning adjustments available via integrated potentiometers.

• Efficiency and Power Factor: High-efficiency design achieving up to 94 percent or higher, which minimizes thermal footprint inside sealed enclosures.

• Dynamic Power Boost: Features advanced transient current capabilities, often providing up to 150 percent continuous power boost for several seconds to start inductive loads safely.

• Isolation Voltage: Robust galvanic isolation between input and output stages, typically rated at 3kV AC or higher to safeguard low-voltage control circuits.

• Signalling Interfaces: Equipped with floating relay contacts and active transistor outputs for remote monitoring of output voltage status and diagnostic warnings.

Product Advantages

Phoenix Contact Power Boards excel in demanding automation setups due to their superior build quality and advanced features:

• Selective Fuse Breaking (SFB) Technology: Capable of delivering a short burst of high current to selectively trip standard circuit breakers during a fault, ensuring that only the faulty branch is isolated while the rest of the system remains online.

• Preventive Function Monitoring: Onboard diagnostics constantly check the output voltage and current parameters, signaling anomalies before an actual system failure occurs.

• Coordinated Surge Protection: Designed with integrated transient surge suppression that shields sensitive downstream electronics from harsh grid fluctuations and lighting strikes.

• Parallel and Redundant Operation: Supports easy parallel connection with active current-sharing capabilities, allowing users to configure fully redundant power topologies for mission-critical setups.

• Tools-Free Push-In Technology: Utilizes advanced terminal mechanics allowing for fast, secure, and vibration-resistant wiring connections without the need for specialized hand tools.

Product Applications

These boards serve as the primary energy backbone across various specialized automation sectors:

• Machine Building and Manufacturing: Supplying steady, noise-free DC power to main PLC racks, human-machine interfaces, and complex sensor networks on assembly lines.

• Process Infrastructure: Providing highly reliable power to distributed control systems (DCS) and telemetry units in chemical plants, oil refineries, and gas stations.

• Renewable Energy Installations: Managing energy distribution within wind turbine nacelles and solar combiner boxes where temperature fluctuations and vibrations are severe.

• Transportation and Traffic Control: Powering signaling equipment, automated toll stations, and rail control systems that require uninterrupted operation in outdoor enclosures.

• Water and Wastewater Management: Operating continuous monitoring devices, motor starters, and valve actuators across municipal water treatment networks.

Important Precautions

To maintain the high performance of the power board and ensure operator safety, the following guidelines must be strictly followed:

• Thermal Clearances: Always observe the recommended mounting clearances on the top, bottom, and sides of the board to facilitate natural convection. Blocking these pathways will lead to thermal derating or early component failure.

• Input Protection Sizing: Ensure that the primary side is fitted with an appropriately rated circuit breaker or fuse as specified in the manual to protect the board from catastrophic grid faults.

• Output Polarity Verification: Double-check all DC output wiring before energizing the board. Incorrectly connecting positive and negative lines can permanently damage downstream controllers.

• Conductor Cross-Section: Use the correct wire gauge for the maximum rated output current. Undersized cables can cause significant voltage drops and dangerous localized heating at the terminal points.

• Environmental Protection: When installed in areas with high humidity, conductive dust, or chemical vapors, the power board must be housed inside an appropriately sealed, climate-controlled enclosure to prevent arcing and corrosion.

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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JUSTWELL PTE. LTD

Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.