- AH385851U003 Power Drive Board
Description
The AH385851U003 Power Drive Board is made by Parker SSD Drives (also associated with Eurotherm / Shackleton System Drives).Part number: AH385851U003 (sometimes referenced as AH385851U003‑1,
AH385851T003‑1)It is a power supply / power board for certain DC drive systems.The board includes a switched-mode power supply (SMPS): it converts the auxiliary
single-phase AC supply (110–240 V AC ±10%) into necessary DC rails.It includes thyristor (SCR) components on the board (depending on the version), which
are part of the power switching / drive circuitry.The power board supports fault detection and safe sequencing
during drive startup. (Implied from how power-up sequencing via contactor is handled.)
Feature And Application of AH385851U003
| Feature |
Application |
|
-
2‑Quadrant Operation: Designed for DC drives where regeneration is not required (i.e., power flows one way, not back to the source).
-
Wide Current Range Support: Compatible with drives rated from 35 A up to 270 A, depending on the frame.
-
Switched-Mode Power Supply (SMPS): Efficient conversion from auxiliary AC to multiple DC rails.
-
Multi‑Voltage Rails: Provides +5 V, ±15 V, and high-voltage DC for drive power.
-
Fan / Thermal Management: Designed with explicit connections for cooling fans to maintain thermal stability.
-
Power-Up Sequencing: Includes capability to drive a contactor for safe power-up ordering.
-
High Voltage Support: The board handles high-voltage DC rails and includes thyristor or other switching components suitable for power conversion/sequencing.
|
-
Parker / Eurotherm 590+ Series Drives: Specifically used in 590P DC drives (drive power board) for the 2-quadrant configuration.
-
591 Series DC Drives: Used in 591C, 591L, 591A, 591S drives (these are DC thyristor-based drives) to provide power conversion and supply.
-
Industrial Motor Control: In systems that require DC motor control with high current (tens to hundreds of amps), such as heavy machinery, rolling mills, or other industrial processes.
-
Backup / Spare Parts: The board is available as a spare part — useful for maintenance and repair of legacy DC drive systems.
-
Non-Regenerative DC Systems: Ideal for applications where energy is not fed back to the grid (i.e., no regeneration), such as simple DC motor drives where braking energy is dissipated in resistors or mechanical brakes
|
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Company Profile
MOORE specializes in sourcing and selling discontinued products. If you need assistance, we can
also help you find and purchase used items. Our team of experienced experts offers automation
solutions and technical support across various fields, including PLC, DCS, vibration monitoring
systems, steam turbine control systems, and gas generators. We guarantee factory-original products,
high quality, competitive pricing, and a large inventory.
As one of the largest distributors of automation control system modules and spare parts in China,
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