6181P-17A2MW71DC Allen-Bradley

6181P-17A2MW71DC Allen-Bradley Power Board

Product  Description：

Allen-Bradley Power Boards are essential internal hardware components engineered by Rockwell Automation to manage, regulate, and distribute electrical power within industrial automation equipment, including PowerFlex AC drives, Kinetix servo drives, and modular chassis assemblies. These printed circuit board assemblies (PCBAs) convert incoming AC line power or high-voltage DC bus power into precisely regulated auxiliary voltages required by gate drivers, digital signal processors (DSPs), logic control modules, and cooling fans.

By integrating switching power supplies, power semiconductor gate drivers, galvanic isolation, and current-sensing circuitry into a consolidated assembly, Allen-Bradley power boards ensure stable energy delivery, voltage conversion, and transient fault protection. These boards play a crucial role in enabling variable speed motor control, dynamic braking, and safe system execution under harsh electrical and environmental conditions.

Product Parameters

• Input Voltage Options: 115V AC, 230V AC, 460V AC, 575V AC single-phase or three-phase, or high-voltage DC bus inputs ranging from 280V DC to 680V DC.

• Auxiliary Output Voltages: Multi-channel DC outputs delivering low-voltage power (+5V DC, +12V DC, +/-15V DC, and +24V DC) to internal control logic and gate drive circuits.

• Switching Frequency: Operating switching ranges from 2 kHz to 16 kHz depending on specific drive model configurations and thermal load profiles.

• Conversion Efficiency: Exceeds 90 percent power conversion efficiency to minimize internal heat generation inside enclosed drive chassis.

• Operating Temperature: -10°C to +50°C standard operating range, with capability up to +60°C when utilizing proper thermal derating.

• Thermal Monitoring: Integrated thermistors (NTC/PTC) and thermal switches for real-time heat sink and board temperature tracking.

• Galvanic Isolation: 1500V AC to 2500V AC dielectric isolation between high-voltage power components and low-voltage control circuits.

• Integrated Circuit Protection: Onboard over-current protection, over-voltage/under-voltage sensing, short-circuit protection, and snubber circuits.

Product Advantages

• Robust Industrial Construction: Built with heavy-duty industrial components and conformal coating options to resist moisture, dust, corrosive vapors, and mechanical vibration.

• Integrated Gate Drive Functionality: Combines power conversion with high-speed IGBT gate drivers and current-sensing feedback, optimizing overall motor control response.

• High Efficiency and Reliability: Advanced switching regulator technology minimizes internal energy losses and thermal stress, extending drive operational lifespan.

• Modular Maintainability: Form-factor modularity allows qualified field technicians to replace board assemblies efficiently, reducing equipment repair times and system downtime.

• Strict OEM Compatibility: Fully compliant with UL, CE, and CSA safety standards, ensuring seamless mechanical and electrical compatibility within Allen-Bradley drive architectures.

Important Precautions

• Discharge High-Voltage Capacitors: DC bus capacitors retain dangerous electrical energy after AC line power removal; wait a minimum of 5 to 10 minutes and verify zero DC bus voltage with a calibrated meter before servicing.

• Utilize Electrostatic Discharge (ESD) Protection: Always wear grounded wrist straps and follow ESD handling protocols when touching bare power boards to prevent static discharge damage to sensitive microelectronics.

• Apply Thermal Interface Materials Correctly: Ensure heat sink contact surfaces are clean and coated with fresh thermal grease or conductive pads during board replacement to prevent semiconductor overheating.

• Adhere to Fastener Torque Limits: Tighten all PCB mounting screws, busbar connections, and IGBT terminal bolts strictly to manufacturer torque specifications to prevent high-resistance hot spots.

• Inspect for Output Shorts Prior to Power-Up: Perform comprehensive resistance checks across power semiconductor terminals and output phases before re-applying main electrical power after board replacement.

Product Applications

• Variable Frequency Drives: Delivering bias and gate power across Allen-Bradley PowerFlex 520-Series, 700-Series, and 750-Series AC motor drives.

• Servo and Motion Control: Powering drive stages and control circuitry inside Kinetix servo drives utilized in packaging, printing, and CNC machinery.

• Industrial Power Systems: Conditioning and distributing regulated auxiliary power across modular PAC racks, backplanes, and industrial power supplies.

• Heavy Material Handling: Regulating power distribution in large drive systems controlling overhead cranes, hoists, mining conveyors, and metal stamping presses.

• Process Infrastructure: Providing robust internal power conversion for drives used in water treatment pumps, HVAC blowers, and chemical processing agitation units.

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.