Description
1. Product Overview
Allen‑Bradley 80026‑529‑01‑R is a dedicated auxiliary power supply module developed by Rockwell Automation for PowerFlex 7000 medium‑ & high‑voltage AC inverters, serving as a core power‑supply spare part for high‑voltage variable‑frequency systems. This module provides stable isolated operating power for the inverter’s internal control boards, drive circuits, detection units, cooling fans and auxiliary electrical components. It acts as a critical power unit that guarantees continuous and reliable operation of the overall high‑voltage inverter control system, signal circuits and drive circuits.
The 80026‑529‑01‑R is an original revised version (suffix‑R revision). Compared with the base model, it features improved load adaptability, shock resistance and long‑term operational stability, effectively mitigating power anomalies caused by power‑grid fluctuation, transient surges and abrupt load changes under high‑voltage conditions. Adopting industrial‑grade isolated voltage‑stabilizing architecture, low‑loss power devices and closed‑loop voltage‑regulation technology, the module supports 7×24‑hour non‑stop continuous operation. It is widely deployed in maintenance replacement, fault repair and system technical‑retrofit projects for high‑power high‑voltage variable‑frequency equipment in metallurgy, mining, power generation, building‑materials and other industries, and constitutes an indispensable original core spare part for PowerFlex 7000 high‑voltage inverters.
2. Functional Features
Dedicated auxiliary power supply for high‑voltage inverters with stable and clean output Custom‑built for PowerFlex 7000 medium‑voltage inverters, it precisely matches the overall unit’s auxiliary power‑supply requirements and delivers multi‑channel isolated regulated outputs. It supplies clean and stable operating power for the inverter main‑control board, trigger‑drive boards, signal‑sampling units, temperature‑monitoring circuits, cooling systems and secondary control loops. It thoroughly eliminates system errors, drive malfunctions and sampling drift induced by auxiliary‑power noise, voltage drop and excessive ripple.
High‑power rated output with strong load‑carrying capacity With a rated output power up to 1000 W and single‑phase power‑supply architecture, it provides ample load capacity to fully satisfy power‑consumption demands under full‑load, start‑stop transient and multi‑unit simultaneous‑operation conditions of high‑voltage inverters. It maintains zero voltage drop under load, no jitter at full load and fast transient response, suitable for heavy‑duty operating conditions of high‑power high‑voltage inverters.
Multiple electrical protections for enhanced equipment safety Embedded multi‑protection mechanisms cover over‑voltage, under‑voltage, over‑current, overload, over‑temperature, short‑circuit and surge‑suppression functions. It triggers rapid self‑locking protection under abnormal conditions such as grid fluctuation, load anomaly, circuit short‑circuit and high ambient temperature. It effectively prevents power‑supply module burnout, breakdown of secondary‑loop components and paralysis of the inverter control system, greatly improving operational safety and fault tolerance of high‑voltage variable‑frequency equipment.
Isolated voltage‑stabilizing design with outstanding anti‑interference performance Constructed with high‑frequency isolation transformer plus closed‑loop voltage‑regulation circuit for complete separation between strong‑current and weak‑current circuits. It efficiently blocks electromagnetic interference, grid harmonics and voltage spikes originating from the high‑voltage main circuit, avoiding auxiliary‑power drift, voltage fluctuation and signal disturbance caused by the heavy electromagnetic environment of high‑voltage inverters and ensuring accurate control‑system performance.
Industrial‑grade durable design for continuous‑production working conditions Core power components adopt wide‑temperature industrial‑grade materials, and the PCB is coated with conformal three‑proof protection. It delivers high temperature resistance, anti‑aging performance, vibration resistance and low loss. Capable of enduring harsh industrial‑shop‑floor conditions including high temperature, dust, strong electromagnetic interference and repeated start‑stop shocks, it features a long maintenance‑free cycle and fits intensive continuous industrial production.
Precise original‑equipment matching with high replacement compatibility Fully compatible with the hardware interfaces, electrical parameters, installation dimensions and program‑matching logic of the full PowerFlex 7000 medium‑ & high‑voltage inverter series. As an optimized upgraded revision, the R‑version offers downward compatibility with older base models. Faulty legacy equipment can be directly replaced on‑site without rewiring, parameter commissioning or program adaptation to restore equipment operation rapidly.
- Low‑loss high‑efficiency performance with controllable operating temperature rise Optimized high‑frequency switching‑circuit topology reduces switching loss and thermal dissipation. High overall conversion efficiency brings low temperature rise under full‑load operation without over‑temperature shutdown or thermal‑degradation issues. Stable long‑run performance effectively extends the service life of the inverter’s entire auxiliary system.
3. Technical Parameters
3.1 Basic Specifications
Product Model: 80026‑529‑01‑R Manufacturer: Allen‑Bradley (Rockwell Automation) Product Series: Spare parts for PowerFlex 7000 medium‑ & high‑voltage inverters Product Type: Industrial auxiliary switching power‑supply module Core Positioning: Dedicated power‑supply unit for secondary control, drive, sampling and cooling systems of high‑voltage inverters Key Characteristics: 1000 W high‑power output, electrical isolation, multi‑fold protection, strong anti‑interference capability, optimized stable revision, on‑site replacement compatibility
3.2 Electrical Parameters
Rated Output Power: 1000 W Input Power Format: Single‑phase AC input Circuit Architecture: High‑frequency isolated switching regulated power supply Output Characteristics: Multi‑channel isolated regulated output, low ripple, high‑precision voltage stabilization Protection Mechanisms: Over‑voltage, under‑voltage, over‑current, overload, over‑temperature, short‑circuit and surge protection Applicable Equipment: PowerFlex 7000 series medium‑ & high‑voltage AC inverters
3.3 Physical & Structural Parameters
Overall Dimensions: 140 mm × 174 mm × 280 mm Unit Weight: 1.12 kg Installation Mode: Fixed mounting inside standard cabinets Structural Technology: Compact modular construction, PCB conformal three‑proof coating, reinforced anti‑vibration design Interface Type: Original‑equipment pin header / terminal interfaces conforming to factory‑standard wiring definitions
3.4 Environmental Operating Parameters
Operating Temperature: 0℃ ~ +60℃ Storage Temperature: -20℃ ~ +70℃ Relative Humidity: 5%‑95%, non‑condensing Protection Class: Industrial protection for cabinet‑internal installation Operation Mode: Supports 7×24‑hour non‑stop industrial continuous operation Applicable Conditions: Heavy‑duty high‑voltage variable‑frequency sites with strong interference and continuous‑production requirements
4. Hardware Configuration & Structural Advantages
High‑power full‑load design with sufficient power‑supply margin 1000 W rated high‑power output provides ample load margin. It easily copes with inverter startup surges, multi‑loop simultaneous loads and instantaneous power‑consumption peaks. It eliminates common issues such as adequate performance under light load, voltage drop at full load and transient power loss, and ensures stable power delivery for all auxiliary loops.
Fully‑isolated electrical architecture for enhanced system safety Complete high‑voltage / low‑voltage isolation blocks interference coupling from the high‑voltage main circuit into weak‑current control loops. It protects main‑control boards, drive boards and precision sampling devices against high‑voltage damage and elevates the safety level and anti‑interference performance of the high‑voltage variable‑frequency system at hardware level.
Upgraded R‑revision circuit with comprehensively‑optimized stability The R‑suffix upgraded version optimizes switching circuits, surge‑absorption loops and closed‑loop voltage‑regulation algorithms. It mitigates known defects of older versions including voltage‑regulation drift, false protection and intermittent power‑off under grid fluctuation, high‑humidity high‑temperature and long‑term‑operation scenarios, and adapts to more demanding industrial grid conditions.
Reinforced modular construction with strong industrial applicability Compact lightweight form factor fits native mounting positions of PowerFlex 7000 inverters. Reinforced anti‑shock construction withstands equipment vibration and start‑stop impulses, minimizing risks of cold‑solder joints, component displacement and parameter drift for long‑term vibrating production‑line environments.
- Multiple intelligent protections with powerful fault‑tolerance capability Comprehensive electrical‑protection logic implements automatic current limiting, voltage limiting and lock‑out shutdown upon anomalies to contain fault propagation. It protects both the power‑supply module itself and all downstream weak‑current control units, and significantly reduces risks of unplanned shutdown and hardware damage for high‑voltage inverters.
5. Application Scenarios
Matching for PowerFlex 7000 high‑voltage inverters: purpose‑built for Rockwell PowerFlex 7000 medium‑voltage AC inverters to deliver stable auxiliary power for secondary‑control systems, drive circuits, detection loops and cooling systems.
Maintenance replacement for industrial heavy‑duty high‑voltage variable‑frequency equipment: on‑site replacement and repair for aged or defective power‑supply modules in high‑voltage inverters used in metallurgical rolling mills, mine hoists, large fans & pumps, building‑material kilns and heavy‑duty chemical equipment.
Technical retrofit and upgrade of high‑voltage variable‑frequency systems: upgrading to the optimized R‑revision power‑supply module for legacy units suffering from poor power‑supply stability, frequent alarms and unstable auxiliary power to improve overall‑unit stability and anti‑interference performance.
- Redundant spare parts for critical continuous‑production equipment in power plants and factories: stocked as key consumable spare parts for high‑voltage variable‑frequency systems to handle sudden equipment failures rapidly and minimize production‑stop losses.
6. Product Advantages
100 % original‑equipment compatibility for plug‑and‑play deployment without commissioning: strictly conforms to factory electrical parameters, interface definitions and installation dimensions; fully compatible with the PowerFlex 7000 series; replacement requires no rewiring, parameter calibration or program‑adaptation conflicts.
Optimized R‑revision delivers superior stability versus standard versions: circuits optimized for complex industrial power grids with enhanced surge resistance, fluctuation tolerance and anti‑aging properties; resolves chronic issues of older models such as unstable operation, false protection and intermittent power loss.
1000 W ample power margin with strong load‑handling capacity: sufficient power reserve supports full‑condition inverter operation with stable power output during startup‑stop cycles, heavy‑load operation and transient surges to sustain reliable control‑system performance.
Isolated voltage stabilization plus multi‑fold protections for high safety factors: combination of strong‑/weak‑current isolation and comprehensive electrical protection suppresses high‑voltage interference and electrical faults, protects precision control components of the complete unit and cuts equipment‑maintenance costs.
- Industrial‑grade three‑proof durable design for long service life: wide‑temperature components together with conformal PCB coating realize high temperature, humidity, dust and vibration resistance. Well‑suited to harsh industrial environments with extremely low failure rates for long‑term continuous operation.
