120W Logic System Power Supply – 12VDC, 110/220VAC

LASER PARTS | ELECTRICAL & POWER SUPPLIES

120W Logic System Power Supply – 12VDC, 110/220VAC

This 120W switching power supply provides regulated 12VDC power for compatible CO2 laser machine electronics and industrial control equipment. It converts AC input power into the low-voltage DC output required by compatible electrical components.

Designed for systems requiring a stable 12VDC power source, this power supply features a vented metal enclosure, screw-terminal connections, an adjustable DC output, and an LED power indicator.

The unit is listed for 110/220VAC input and includes built-in overcurrent and overvoltage protection. Its compact design makes it suitable for installation inside compatible laser machine electrical cabinets.

Important: Verify the original power supply's output current, input voltage configuration, terminal arrangement, and mounting dimensions before ordering.

Key Features

• 120W Power Rating: Designed for compatible low-voltage electrical and control-system applications.
• 12VDC Output: Supplies regulated DC power to compatible machine electronics.
• 110/220VAC Input: Supports the listed AC input configurations when properly selected and wired.
• Adjustable Output Voltage: Fine-adjustment control allows the output to be calibrated within the unit's supported range.
• Overcurrent Protection: Helps protect the power supply against excessive electrical loads.
• Overvoltage Protection: Provides protection against certain abnormal output-voltage conditions.
• LED Output Indicator: Provides a visual indication of power supply operation.
• Vented Metal Enclosure: Perforated housing helps provide airflow for internal components.
• Screw-Terminal Connections: Allows wiring of AC input, protective ground, and DC output.
• Replacement Component: Intended for compatible laser machine electrical systems requiring 12VDC power.

Product Specifications

Product Type	Switching DC Power Supply
Listed Series	S-120
Rated Power	120W
AC Input Voltage	110/220VAC – Verify Input Configuration
DC Output Voltage	12VDC
Output Current	Requires Label Verification
Output Configuration	Single-Voltage 12VDC Output
Voltage Adjustment	Fine Output Adjustment
Electrical Protection	Overcurrent and Overvoltage
Indicator	LED Output Indicator
Connection Type	Screw Terminals
Housing	Vented Metal Enclosure
Approximate Dimensions	7.8 × 3.875 × 1.2 inches – Verify Before Ordering
Application	Compatible Laser Machine Electronics and Control Systems
Quantity Included	1 Power Supply
Rabbit Laser USA SKU	121

How the Logic System Power Supply Works

Laser machines use different electrical voltages to operate their internal components. While some systems require higher voltages for motors or other equipment, many electronic devices operate using lower-voltage DC power.

This switching power supply converts compatible AC input into regulated 12VDC output. Connected components can then receive the DC power they require for normal operation.

The supply can serve compatible control electronics, interface devices, and auxiliary electrical components designed to operate at 12VDC, provided their combined power requirements remain within the supply's rated capacity.

Note: This is a low-voltage DC power supply. It is not a CO2 laser tube high-voltage power supply.

Understanding the 12VDC Output

This power supply is listed with a nominal 12VDC output and a 120W power rating.

The electrical current drawn depends on the requirements of the connected equipment. The total connected load must remain within the manufacturer's rated output capacity.

The output adjustment control allows small voltage corrections when needed. Adjustments should be made using appropriate measuring equipment and only within the specifications of the power supply and connected components.

Important: The existing product listing contains conflicting output-current information. Confirm the actual unit's rated current before selecting it for a particular electrical load.

Compatibility

This power supply is intended for compatible CO2 laser machines and other electrical systems requiring regulated 12VDC power.

Before ordering, compare the replacement power supply with your existing unit:

• Original model number and identification label
• AC input voltage and required configuration
• 12VDC output voltage requirement
• Rated output current and total power requirements
• Input and output terminal arrangement
• Overall dimensions and mounting-hole locations
• Required ventilation and installation clearance

Important: Similar-looking switching power supplies may provide different voltages, current ratings, or input configurations. Matching the enclosure appearance alone does not guarantee compatibility.

Do not replace an existing 5VDC, 24VDC, or multi-output power supply with this 12VDC unit unless the machine's electrical requirements specifically support the change.

Installation & Safety

• Turn off and disconnect electrical power to the laser machine before inspecting or replacing the power supply.
• Allow internal capacitors to discharge and verify that hazardous voltage is absent before handling terminals.
• Verify the correct AC input voltage and any required input-selector setting before applying power.
• Connect AC line, neutral, and protective ground according to the markings on the actual power supply.
• Verify the positive and negative polarity of all DC output connections.
• Secure terminal connections and protect exposed wiring from accidental contact.
• Maintain adequate airflow around the vented enclosure.
• Verify the DC output voltage before connecting sensitive electronic components.
• Do not exceed the power supply's confirmed electrical ratings.

Safety Note: This power supply contains hazardous AC voltages and exposed electrical terminals. Installation should be performed by a qualified person familiar with electrical control systems.

If the power supply repeatedly shuts down, overheats, or delivers incorrect voltage, disconnect power and investigate the cause before continuing operation.