SGMG-09A2AAS YASKAWA

SGMG-09A2AAS YASKAWA Power Board

Product  Description：

Yaskawa Power Boards are heavy-duty, industrial-grade electronic assemblies primarily integrated within the company’s renowned AC drives, servopacks, and robotic controller systems. Acting as the muscle of the automation system, these boards handle the high-voltage and high-current electrical distribution necessary to drive industrial motors. They regulate raw incoming power, condition it through rectifier and capacitor circuits, and feed it into the power semiconductor stages (such as IGBTs) to manage mechanical motion with extreme precision.

Product Parameters

The technical properties of a Yaskawa Power Board are focused on high-capacity electrical management and thermal endurance:

• Input Voltage Rating: Designed to support a wide range of industrial power grids, commonly rated for three-phase 200V to 240V AC, 380V to 480V AC, or high-voltage 575V to 690V AC.

• Output Current Capacity: Ranges from low-power boards handling 5A up to heavy-duty industrial versions capable of routing several hundred amperes.

• Operating Frequency: Supports standard input line frequencies of 50Hz and 60Hz, while delivering high-frequency carrier switching outputs to motors, typically ranging from 2kHz to 15kHz.

• Insulation Resistance: Features high dielectric strength, typically rated to withstand 2500V AC or higher for one minute between the power circuits and the chassis ground.

• Thermal Tolerance: Engineered to operate reliably within internal enclosure temperatures ranging from -10°C to 60°C.

• Control Voltage Output: Integrates onboard step-down transformers or switching regulators to supply stable 24V DC and 5V DC auxiliary power to adjacent control boards.

Product Advantages

Yaskawa Power Boards are globally recognized for their robust construction and energy efficiency:

• High Power Density: Utilizing multi-layer heavy copper PCBs and optimized trace routing, these boards pack maximum power distribution capabilities into a highly compact footprint.

• Advanced Thermal Performance: Designed with direct-mounting interfaces for aluminum heatsinks and cooling fans, ensuring rapid heat dissipation away from critical power switches.

• Regenerative Energy Handling: Many Yaskawa power board designs are compatible with dynamic braking modules or regenerative power systems, allowing braking energy to be safely dissipated or fed back into the grid.

• Robust Surge Protection: Features built-in varistors, surge absorbers, and heavy-duty filtering banks that protect both the board and the connected motor from sudden grid voltage spikes and lightning strikes.

• Long-Life Components: Built using premium-grade, high-temperature electrolytic capacitors and solid-state relays, ensuring a service life that often matches or exceeds a decade of continuous factory operation.

Product Applications

These power boards are the foundational energy distribution components across high-power motion control environments:

• Varispeed AC Drives: Serving as the main internal power stage for Yaskawa GA700, GA500, and A1000 variable frequency drives (VFDs) used to run industrial pumps, fans, and compressors.

• Sigma Servo Systems: Powering the high-speed switching circuits inside Sigma-5, Sigma-7, and Sigma-10 servopacks, which require rapid current pulses for dynamic motor acceleration.

• Motoman Robot Controllers: Distributing high-voltage DC power to the multi-axis drive modules inside robotic arms used for automotive welding, assembly, and painting.

• Material Handling Systems: Driving the heavy-duty motors used in high-capacity cranes, hoists, and continuous mining conveyor belts.

• CNC Machine Centers: Providing the raw electricity required by spindle motors and axis drives to execute heavy metal-cutting operations.

Important Precautions

Because these boards handle lethal voltages and currents, strict adherence to safety protocols is mandatory:

• Residual Charge Hazard: The large capacitor banks on the power board retain dangerous voltages even after the main AC power is disconnected. Always check the "Charge" indicator LED and measure the DC bus voltage with a multimeter to ensure it is below 50V DC before touching any component.

• Strict Grounding Requirements: The board must be securely connected to the system ground terminal. Improper grounding can lead to severe electrical noise issues, erratic motor behavior, or fatal electrical shock hazards.

• Clearance and Creepage: When replacing a power board, maintain the exact physical spacing and use all non-conductive standoffs provided. Modifying the board's mounting position can cause high-voltage arcing to the metal enclosure.

• Torquing Terminal Screws: Power terminals must be tightened to the exact torque specifications detailed in the hardware manual. Under-tightening causes high electrical resistance and terminal overheating, while over-tightening can crack the PCB substrate.

• Phase Integrity: Ensure that the incoming three-phase power lines (R, S, T or L1, L2, L3) are connected to the correct terminal lugs. Incorrect phase connection or running the system on a dropped phase can cause permanent damage to the input rectifier circuit.

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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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.