MCA19S35-RS0B0 LENZE

MCA19S35-RS0B0 Power Board

Product  Description：

Lenze Power Boards are high-precision electronic assemblies engineered to serve as the power stage inside Lenze frequency inverters, servo drives, and multi-axis drive systems (such as the i500, i950, and 8400 series). These boards are responsible for transforming, regulating, and controlling electrical energy to drive electric motors efficiently. They integrate high-voltage rectifier circuits, DC bus capacitors, and insulated-gate bipolar transistor (IGBT) power modules that convert standard grid electricity into variable-frequency, variable-voltage pulse-width modulation (PWM) signals.

Product Parameters

The technical baseline of a Lenze Power Board focuses on energy handling capability, voltage thresholds, and thermal performance:

• Input Voltage Specifications: Engineered to support single-phase 200V-240V AC or three-phase 380V-480V AC power grids, with a frequency tolerance of 45Hz to 65Hz.

• Output Voltage and Frequency: Delivers a controlled three-phase AC output ranging from 0V up to the maximum input voltage, supporting switching frequencies typically between 2kHz and 16kHz.

• Continuous Output Current: Tailored to specific drive frames, supporting currents from 1.5 Amperes for compact micro-drives up to several hundred Amperes for heavy-duty industrial systems.

• DC Bus Capacity: Integrated high-capacitance intermediate circuits capable of handling intermediate DC voltages up to 800V DC, featuring dedicated rapid-discharge systems.

• Galvanic Isolation: High-voltage dielectric isolation (typically rated at 2500V AC for 1 minute) separating the high-power section from the low-voltage logic interface.

• Ambient Temperature Rating: Full performance operation up to 45°C or 50°C depending on the model, with linear de-rating options up to 60°C.

Product Advantages

Lenze Power Boards stand out in motion control due to their energy efficiency and integration quality:

• Exceptional Energy Efficiency: Optimized circuit topologies and low-loss power semiconductors minimize switching and conduction losses, allowing the overall drive to reach efficiencies up to 98 percent.

• Advanced Integrated Protections: Onboard hardware-level protection layers provide near-instantaneous responses to overcurrent, short circuits, phase loss, and ground faults, saving the motor and drive from catastrophic destruction.

• Excellent Thermal Management: Designed for direct thermal coupling with aluminum heatsinks or cold plates, utilizing high-conductivity substrate materials to eliminate hot spots and extend component life.

• Compact Design and High Power Density: Multi-layer PCB design allows the gate drivers, current sensors, and braking chopper circuits to reside on a single, compact board, reducing the total footprint of the control cabinet.

• Low Noise Layout: Advanced component placement and shielding techniques minimize electro-magnetic emissions (EMI), facilitating compliance with strict European and global EMC standards.

Product Applications

These power boards act as the energetic heart for automated motion control machinery worldwide:

• Packaging Machinery: Powering high-speed horizontal form-fill-seal machines, cartoning equipment, and synchronized palletizers.

• Material Handling and Intralogistics: Driving baggage handling systems, automated roller conveyors, and electric overhead tracks in warehouses.

• Textile Production Equipment: Coordinating multi-axis spinning, weaving, and wind-up machines that require smooth, continuous torque control.

• Fans and Pumps: Managing variable-frequency flow control in industrial ventilation hoods, cooling towers, and water distribution pumps to optimize energy use.

• Automotive Production Lines: Operating the lifting stations, assembly conveyors, and indexing tables within automotive manufacturing plants.

Important Precautions

To ensure worker safety and prevent hardware degradation, the following guidelines must be strictly obeyed:

• Lethal Residual Voltage: The intermediate DC bus capacitors remain charged with dangerously high voltages long after the main AC power is cut off. Always wait at least 5 to 10 minutes (refer to the specific drive label) and use a calibrated meter to verify the voltage is below 50V DC before starting work.

• Electrostatic Discharge Safety: The gate drive circuits on the board utilize highly sensitive components. Operators must wear a securely grounded ESD wrist strap whenever handling or replacing the power board assembly.

• Correct Thermal Interface: If the power board is separated from its heatsink during servicing, all old thermal paste must be thoroughly cleaned off. A fresh, uniform layer of high-grade thermal compound must be applied before re-assembly to prevent localized overheating.

• Tightening Torque Verification: Ensure all high-voltage bus bar and wire terminal screws are tightened to the exact torque specified in the Lenze hardware manual. Loose connections create localized resistance, resulting in severe heat generation and fire risks.

• Environmental Enforcement: Do not operate these boards in atmospheres containing conductive dust, moisture condensation, or aggressive chemical fumes. Install the equipment within an appropriately sealed, climate-controlled enclosure to maintain an optimal operating environment.

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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