80026‑044‑01 Allen‑Bradley High‑Voltage VFD Power Supply Board
- Warranty： 365 days
- Quality: Original module
- Condition： New / Used
- Warehouse: Spot
- Delivery time: Shipped in 3 days after payment
- Mailbox：plcvarious@foxmail.com
Introduction
Product Background
This is an internal OEM spare circuit board, designed for Rockwell Allen‑Bradley PowerFlex 6000 / PowerFlex 7000 medium‑voltage high‑voltage inverters (2.3kV‑11kV medium‑voltage VFDs). It is a critical internal power‑conversion component, not a standalone external power supply. The whole 80026‑044 family is factory‑fit spare parts for high‑voltage drive systems. Many variants (‑02,‑06‑R) are in the same hardware family, and the original part is discontinued (EOL), only refurbished or replacement spares are available on market.More products: www.plcva.com
80026‑044‑01 Allen‑Bradley High‑Voltage VFD Power Supply Board
Main Functions
- High‑voltage DC‑DC conversion: Takes high‑voltage DC bus input from the VFD main rectifier circuit, converts it into multiple isolated regulated DC output voltagesMade-in-Ch….
- Supply power for drive control circuits: Provides stable DC power for IGCT/IGBT gate‑drive circuits, control logic boards, signal sampling circuits and protection circuits inside the high‑voltage inverter.
- Built‑in protection mechanisms: Over‑voltage, over‑current, short‑circuit and over‑temperature protection, to protect sensitive power‑semiconductor devices in high‑voltage VFDMade-in-Ch….
- Isolated power output: Electrical isolation between high‑voltage main bus and low‑voltage control circuits, to suppress electrical noise and ensure safety for control‑side electronics.
- Power monitoring & status feedback: Output power‑status signals to the main drive controller for fault diagnosis and system shutdown when power‑supply failure occurs.
80026‑044‑01 Allen‑Bradley High‑Voltage VFD Power Supply Board
Applications & Usage
This board is exclusively used inside Allen‑Bradley medium‑voltage high‑voltage variable‑frequency drives (PowerFlex 6000 / 7000 series). Typical industrial end‑use scenarios:
- Heavy‑duty large‑motor control: large pumps, compressors, fans in power plants
- Oil & gas, petrochemical, metallurgy, mining, water‑treatment plants
- Large‑capacity industrial process where medium‑voltage (2.3‑11kV) motors need speed‑regulation control
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