40W CO2 Laser Power Supply – 120VAC
CO2 Laser Power Supplies
40W CO2 Laser Power Supply – 120VAC
This 40W CO2 laser power supply provides the high-voltage electrical output required to operate compatible CO2 laser tubes. Designed for 120VAC input, it supports analog laser power control through a 0–5V DC control signal.
Whether replacing a failed laser power supply or servicing an existing machine, matching the electrical ratings and control connections is essential for proper laser operation.
Quick Facts
- Laser Power Class: 40W
- AC Input: 120VAC
- Control Signal: 0–5V DC Analog
- Application: Compatible CO2 Laser Tubes
- SKU: 72
Key Features
- High-voltage power supply for compatible 40W CO2 laser tube systems
- Operates from a 120VAC electrical input
- Supports 0–5V DC analog power control
- Provides connections for laser control and interlock signals
- Metal enclosure with integrated cooling fan and control terminal connectors
- Designed as a replacement for electrically compatible laser power supplies
Product Specifications
| Product Type | CO2 Laser Power Supply |
| Laser Power Class | 40W |
| Input Voltage | 120VAC |
| Output Type | High-voltage DC for CO2 laser tubes |
| Listed Output Current | 25–30mA (requires verification against unit rating) |
| Control Input | 0–5V DC Analog |
| Previously Listed Control Terminals | H, L, P, GND, Analog Level, +5V DC |
| Enclosure | Metal Housing with Cooling Fan |
| SKU | 72 |
| Quantity | 1 Power Supply |
How the CO2 Laser Power Supply Works
A CO2 laser tube requires a high-voltage electrical supply to excite the gas mixture inside the tube and produce laser energy.
The laser power supply converts incoming AC electricity into the high-voltage DC output required by the tube. The machine's controller communicates with the power supply to regulate laser operation.
Proper matching between the laser tube, power supply, and controller is necessary for reliable operation and to avoid damaging components.
Understanding the Analog Control Signal
This power supply is listed with a 0–5V DC analog control input, which can be used by compatible laser controllers to regulate the power supply's output.
The original product listing identifies H, L, P, GND, Analog Level, and +5V DC control connections. These labels and their functions must be checked against the actual power supply before making electrical connections.
Confirm Compatibility Before Ordering
Not every 40W CO2 laser power supply is interchangeable. Compare the following specifications with your original unit:
- AC input voltage
- Laser tube power and current requirements
- High-voltage output specifications
- Analog control signal requirements
- Control connector arrangement and terminal functions
- Physical size and mounting locations
A matching wattage rating alone does not guarantee compatibility. Using an incorrectly rated power supply may damage the laser tube or other electrical components.
Installation & Safety
High-voltage warning: CO2 laser power supplies can produce lethal electrical voltages. Internal components may retain dangerous electrical charges even after the machine is disconnected from power.
Replacement should be performed by a qualified technician familiar with CO2 laser electrical systems. Follow the manufacturer's installation and electrical safety procedures. Never bypass protective interlocks or operate with exposed high-voltage connections.
Need Help Finding the Right Replacement?
Rabbit Laser USA provides experienced technical support to help you identify compatible replacement parts for your laser machine.
Contact our team with your machine model and a clear photo of your existing power supply, including its identification label and electrical connections.