LC1D25BL SCHNEIDER

LC1D25BL SCHNEIDER Power Board

Product  Description：

Schneider Electric Power Boards, commonly integrated within the Altivar family of Variable Frequency Drives (VFDs) and Lexium servo drive systems, serve as the core power distribution and switching stage. These boards manage high-voltage electrical energy, converting incoming utility power into controlled output power to drive industrial AC and servo motors. Engineered with high-efficiency power semiconductors, gate drive electronics, and sensing circuitry, Schneider power boards act as the muscular muscle behind precise speed, torque, and position control.

Product Parameters

The technical baseline of a Schneider Electric Power Board focuses on energy efficiency, voltage handling, and thermal resilience:

• Input Voltage Compatibility: Designed for wide industrial power ranges, including 200V-240V AC, 380V-480V AC, and 575V-690V AC three-phase supplies at 50/60 Hz.

• Intermediate DC Bus Capacity: High-capacity onboard DC link capacitors capable of handling continuous bus voltages exceeding 800V DC for 400V class systems.

• Current Carrying Output: Rated for continuous power delivery ranging from a few Amperes for low-power drives up to several hundred Amperes for high-power industrial drives.

• PWM Switching Rates: Optimized for pulse-width modulation switching frequencies typically adjustable between 2 kHz and 16 kHz to minimize acoustic motor noise and current ripple.

• Dielectric Isolation: High-grade optical or magnetic isolation rating, often rated at 2500V AC or higher, separating low-voltage control signals from the high-voltage power stage.

• Thermal Tolerance: Standard operation in ambient cabinet temperatures ranging from -10°C to 50°C, with derating options up to 60°C.

Product Advantages

Schneider Electric Power Boards provide significant operational benefits for industrial power conversion:

• High Efficiency Power Conversion: Utilizes advanced Insulated Gate Bipolar Transistor (IGBT) modules that lower switching losses, reducing overall heat output and energy consumption.

• Comprehensive Hardware Protection: Features ultrafast hardware-level monitoring circuits that trigger instant shutdowns in response to short circuits, ground faults, overcurrent, and DC overvoltage.

• Robust Thermal Management: Integrates heavy copper layers and direct-bond copper substrates to efficiently channel heat away from active semiconductors to the main heatsink.

• Compact Modular Architecture: Combines power rectification, DC bus management, gate drivers, and current sensing onto a single multi-layer assembly, minimizing physical footprint inside control cabinets.

• Long Operational Lifespan: Built with high-grade industrial electrolytic or film capacitors designed for extended duty cycles in continuous 24/7 industrial manufacturing environments.

Product Applications

These power assemblies form the operational core across various energy-intensive industrial applications:

• Variable Frequency Drives: Powering motor drives used in large industrial water pumps, HVAC supply fans, and heavy-duty industrial compressors.

• Servo Motion Systems: Supplying dynamic power to multi-axis servo drives in high-speed packaging, robotic assembly, and CNC machining equipment.

• Material Handling Machinery: Delivering heavy torque output for mining conveyor belts, overhead cranes, hoists, and industrial elevators.

• Renewable Energy Conversion: Managing energy rectification and power inversion in specialized commercial solar and industrial energy storage systems.

• Process Line Automation: Regulating power delivery to continuous rollers, extruders, and mixers in plastic, rubber, and paper manufacturing plants.

Important Precautions

To protect personnel and prevent premature power component failure, the following guidelines must be observed:

• Residual Energy Hazard: Large DC bus capacitors retain lethal electrical charges long after the primary AC line is turned off. Always wait a minimum of 10 to 15 minutes after power-down and use a multimeter to verify DC bus voltage is below 50V DC before touching the board.

• ESD Sensitivity: Although designed for high power, the delicate gate driver logic on the board is highly sensitive to Electrostatic Discharge. Always wear a grounded anti-static wrist strap when handling or replacing the board.

• Proper Thermal Interface: When installing the power board onto a heatsink, ensure that the heatsink surface is completely clean and that thermal grease is applied uniformly to avoid localized hot spots that destroy IGBT modules.

• Torque Specifications on Power Terminals: Fasten all high-current busbar and cable terminal screws to the exact torque specified in the technical manual. Loose connections create extreme local heating, arcing, and severe fire hazards.

• Environmental Contamination Controls: Never operate the board in environments with conductive dust, high moisture, or corrosive gas fumes. Use boards with factory G3 conformal coating if deployment inside harsh chemical environments is required.

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.