Overview
The Eurotherm 047644 is a trigger board Issue 4 designed for integration with Eurotherm SSD 545 drive systems. This printed circuit board module provides thyristor and gate drive functionality for controlled power conversion and industrial drive applications. As a matched component within the SSD 545 family, the 047644 ensures synchronized switching and safe operation of power electronics in motion control, pump drives, fan control, and process automation systems.
Key Features
- Issue 4 design for verified compatibility with SSD 545 drive platforms
- Precision thyristor trigger and gate drive circuitry
- Robust industrial PCB construction rated for process automation environments
- Drop-in replacement for OEM 047644 installations
- Supports reliable power semiconductor switching at industrial duty cycles
Technical Specifications
- Part Number: 047644
- Manufacturer: Eurotherm Limited
- Revision: Issue 4
- Product Type: Trigger Board / Gate Drive PCB
- System Compatibility: SSD 545 Drive System
- Dimensions: 4 x 4 x 9 inches
- Weight: 3 pounds
- Application Class: Industrial Motion Control, Process Automation
Typical Applications
- AC motor speed control in conveyor and material handling systems
- Fan and pump drive regulation in HVAC and process applications
- Thyristor-based power conversion in power distribution systems
- OEM retrofit and replacement installations for SSD 545 systems
- Industrial automation and equipment original equipment modules
Compatibility & Replacements
Compatible With
- Eurotherm SSD 545 drive system
- SSD 545 thyristor power modules
- Industrial process controllers requiring gate drive output
- Standard 24 VDC control power systems
Replaces / Drop-In Replacement For
- Eurotherm 047644 (Issue 1, 2, 3) — direct replacement where Issue 4 compatibility confirmed
- OEM equivalent trigger boards for SSD 545 platforms
Works With
- Eurotherm SSD 545 main drive module
- Industrial PLC and automation controllers via relay / analog interfaces
- Standard industrial 24 VDC power supplies
- Thyristor gate drive and semiconductor control systems
