Overview
The Parker Eurotherm 047423 is a specialized control board card engineered as a spare component for the Eurotherm 545/546 series of industrial DC drives. This 2-quadrant control board is rated for drive systems above 110A and provides the core logic and regulation functions for motion control in legacy automation systems. Parker, a global leader in motion and control technologies, continues to support installed base applications through authorized spare parts distribution.
Key Features
- 2-quadrant control topology for forward and dynamic braking operation
- Rated for drive systems exceeding 110A capacity
- Drop-in replacement for original Eurotherm 545/546 series boards
- Compact board form factor for panel and cabinet installation
- Fully tested prior to shipment
- Supports analog and digital control inputs
Technical Specifications
- Part Number: 047423 (AH047423U103 variant)
- Drive Series Compatibility: Eurotherm 545 / 546 (SSD legacy DC drives)
- Control Type: 2-Quadrant (forward and dynamic braking)
- Current Rating: >110A (depends on host drive frame)
- Board Function: Main control and regulation circuit
- Interface: Ribbon-style connector, male pin-style terminals
- Operating Environment: Indoor industrial
- Certification: Designed per industrial safety standards for DC drive systems
Typical Applications
- DC motor speed and torque control in material handling systems
- Motion regulation in printing and textile machinery
- Replacement component in refurbished legacy drive systems
- Maintenance of installed Eurotherm/SSD 545/546 drive sets
- Industrial automation systems requiring 4-quadrant or 2-quadrant DC control
Compatibility & Replacements
Compatible With
- Eurotherm 545 series DC drives (legacy models)
- Eurotherm 546 series DC drives (all frame sizes above 110A)
- Parker SSD legacy DC drive ecosystem
- Drive enclosures designed for standard control board form factor
Replaces / Drop-In Replacement For
- Original Eurotherm 047423 control boards
- Board variants: AH047423U002, AH047423U003, AH047423U102, AH047423U103
- Equivalent spare parts from 545/546 drive documentation
Works With
- Eurotherm 545/546 series firmware and configuration
- Parker legacy drive support software and commissioning tools
- Standard ribbon-connector interfaces in drive cabinets
- Analog signal conditioning and digital control input networks






















