S-35-12 35W Switching Power Supply – 12V DC 3A, 220VAC

LASER PARTS | POWER SUPPLIES

35W Logic System Switching Power Supply – 12V DC 3A

This 35W-class switching power supply provides regulated 12V DC power for compatible CO2 laser machine electronics, control circuits, and other equipment requiring a low-voltage DC power source.

Designed for 220V AC input as listed, the power supply delivers a nominal 12V DC output rated at up to 3 amps. Its compact metal enclosure features ventilation openings to help dissipate heat during operation.

The unit includes a fine voltage adjustment control, an LED output indicator, and screw terminal connections for integration into compatible electrical cabinets.

Important: Before ordering, verify the original power supply's input voltage, output voltage, current capacity, dimensions, and terminal arrangement. Power supplies with similar appearances may have different electrical specifications.

Key Features

• 12V DC Output: Supplies regulated low-voltage power for compatible control electronics.
• 3A Rated Current: Supports compatible connected equipment within the supply's rated operating limits.
• 35W-Class Design: Compact switching power supply for low-voltage electrical applications.
• 220V AC Input: Intended for a compatible 220VAC electrical supply.
• Fine Voltage Adjustment: Allows minor DC output adjustments when required.
• LED Output Indicator: Provides a visual indication of power supply operation.
• Electrical Protection: Existing product specifications list overcurrent and overvoltage protection.
• Vented Metal Enclosure: Allows heat to dissipate through natural airflow.
• Screw Terminal Connections: Convenient connections for compatible electrical wiring.
• Replacement Component: Suitable for compatible laser machines requiring matching electrical specifications.

Product Specifications

Product Type	AC-to-DC Switching Power Supply
Power Class	35W
Input Voltage	220V AC (per existing listing)
Output Voltage	12V DC
Rated Output Current	3A
Nominal Voltage × Current	36W (12V × 3A)
Output Configuration	Single DC Output
Voltage Adjustment	Fine Adjustment
Output Indicator	LED
Listed Protection Features	Overcurrent and Overvoltage
Connection Type	Screw Terminals
Enclosure	Vented Metal Housing
Listed Dimensions	4.375 × 3.125 × 1.5 inches
Approximate Metric Dimensions	111 × 79 × 38mm
Application	Compatible Laser Machine Control Electronics
Quantity Included	1 Power Supply
Rabbit Laser USA SKU	123

How This Power Supply Works

A switching power supply converts incoming AC electrical power into a regulated DC output. This allows compatible laser machine components to receive the lower voltage required for their operation.

This unit is intended to supply 12V DC to connected equipment. Its 3A output rating describes the maximum nominal current capacity, while the 35W designation identifies its advertised power class.

The fine adjustment control allows small changes to the output voltage when required by the connected equipment. It should not be used to convert the unit into a different voltage model.

An LED output indicator provides a convenient visual reference during troubleshooting. However, an illuminated indicator does not confirm that the output voltage is correct or that the connected equipment is operating properly.

Compatibility

This power supply is intended for compatible laser engraving machines, laser cutting machines, and industrial control equipment requiring a regulated 12V DC supply.

Before ordering, compare the replacement power supply with your original component:

• Model number and manufacturer markings
• AC input voltage requirements
• 12V DC output voltage
• Required output current and power capacity
• AC input and DC output terminal arrangement
• Overall dimensions and mounting-hole locations
• Electrical protection requirements
• Available ventilation space inside the electrical cabinet

Important: A power supply with a matching wattage or metal housing is not necessarily an interchangeable replacement. Confirm the electrical ratings and connection requirements before installation.

Do not substitute this 12V DC power supply for a component requiring 5V DC, 24V DC, or multiple output voltages.

Installation & Safety

• Disconnect the laser machine from its electrical supply before inspecting or replacing the power supply.
• Allow stored electrical energy to discharge according to the manufacturer's instructions.
• Verify the actual unit's rated AC input voltage and any voltage selector setting before applying power.
• Identify the AC input, protective ground, and DC output terminals using the markings on the power supply.
• Confirm correct DC output polarity before connecting equipment.
• Do not exceed the manufacturer's specified operating limits.
• Maintain adequate ventilation around the metal enclosure.
• Do not cover ventilation openings or expose the supply to moisture.
• Secure the unit using compatible mounting hardware.
• Have installation and troubleshooting performed by someone experienced with electrical control systems.

Safety Note: This power supply contains hazardous AC voltage circuitry. The perforated enclosure does not provide complete protection against accidental contact with internal electrical components.

If a replacement power supply repeatedly fails, overheats, or produces an incorrect output voltage, inspect the connected load and wiring before replacing it again. The problem may originate elsewhere in the machine's electrical system.