Overview
The Hypertherm 041100 control PCB is a printed circuit board designed for the Hypertherm MAX40 plasma cutting system. The MAX40 40-amp plasma power supply was last manufactured in 1990, making this a legacy component for equipment repair and restoration. This board serves as the control electronics for plasma arc initiation, power regulation, and system protection in vintage MAX40 units.
Key Features
- OEM replacement control board for MAX40 plasma systems
- Handles primary control logic and power management functions
- Compatible with 40-amp plasma cutting applications
- Used condition, tested and functional
- Ideal for equipment restoration and legacy system support
Technical Specifications
Specific voltage, current, and signal specifications for this PCB variant are not available in current manufacturer documentation due to the product’s legacy status. For detailed electrical characteristics, refer to the original MAX40 service manual or contact a qualified service technician familiar with vintage Hypertherm equipment.
Typical Applications
This control PCB is used in:
- Repair and refurbishment of legacy Hypertherm MAX40 plasma cutting systems
- Equipment restoration for fabrication shops maintaining older plasma cutters
- Replacement of failed control boards in 40-amp plasma power supplies
- Industrial metal cutting and welding equipment maintenance
Compatibility & Replacements
Compatible With
- Hypertherm MAX40 plasma cutting system (40-amp)
- Vintage plasma power supplies requiring MAX40 control electronics
- Metal fabrication equipment using Hypertherm plasma systems
Replaces / Drop-In Replacement For
- Hypertherm PCB assembly 041100
- Hypertherm board variant AA#3364 / 041101 / 48-9978
Works With
Verify compatibility with your system integrator or qualified service technician before ordering, as this is a legacy component and compatibility varies by specific MAX40 model variant and manufacturing period.




