AC to DC Converters | McMaster-Carr

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660 Products

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Power Supplies

AC to DC Power Supplies

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

56 products

DIN-Rail-Mount Power Supplies

Cost-effective for clean environments with a stable supply of electricity

27 products

Sealed Power Supplies

Fully sealed to block out dust and water so there’s no need for an enclosure

5 products

Heavy Duty DIN-Rail-Mount Power Supplies

Built to last in marine, heavy industrial, and other tough environments

22 products

Low-Profile DIN-Rail-Mount Power Supplies

Under 2 1/2" deep to fit in shallow enclosures often found in automation systems

15 products

Multiple-Voltage DIN-Rail-Mount Power Supplies

Power multiple devices with different voltages at the same time

6 products

EMI Filtering IEC Connectors with Integrated Power Supply

Change AC voltage to DC voltage and bring power to electronic devices while protecting them from harmful electromagnetic interference (EMI)

5 products

Motor-Starting DIN-Rail-Mount Power Supplies

Cost-effective power for equipment that requires high start-up current in clean areas

10 products

Remote On/Off Power Supplies

Remotely power devices only when needed to save energy

34 products

Open-Frame Power Supplies

With no housing, these fit inside devices where enclosed versions can’t

4 products

Junction-Box-Mount Power Supplies

Mount directly to standard junction boxes, no bulky plug-in adapters needed

2 products

Heavy Duty Motor-Starting DIN-Rail-Mount Power Supplies

Power equipment that requires high start-up current in harsh environments

23 products

Compact Motor-Starting DIN-Rail-Mount Power Supplies

Fit into cramped enclosures to power equipment that requires high start-up current

9 products

AS-Interface-Network DIN-Rail-Mount Power Supplies

Send electrical and data signals to equipment on AS-interface networks

1 product

Status-Indicating DIN-Rail-Mount Power Supplies

Track voltage, current, and other data from your PC, PLC, or the built-in digital display

4 products

Electrical Testing Power Supplies

Ultra-Low-Noise Bench-Mount Power Supplies

Power sensitive devices while blocking electronic interference

12 products

Bench-Mount Power Supplies

Test and design a wide range of electrical circuits right at your workbench

6 products

Programmable Bench-Mount Power Supplies

Control and monitor voltage, current, and power outputs remotely from your computer

6 products

Rack-Mount Power Supplies

Mount into standard electronics racks to power multiple devices and keep benchtops tidy

2 products

Fixed-Voltage Bench-Mount Power Supplies

Convert 120V AC to 13.8V DC, a common voltage for radio transmitters and battery chargers

3 products

AC to DC Electromagnet Transformers

Flip the switch to reverse the current and release your electromagnet's hold

3 products

High-Speed AC to DC Electromagnet Transformers

Instantly reverse the current to release your electromagnet's hold

3 products

Desktop Computer Power Supplies

Power components inside desktop computers

1 product

Other Products

Voltage Adapters

Change AC voltage to DC voltage to power a device

278 products

Rectifiers

Convert AC voltage to a constant DC voltage on a circuit board

30 products

Diodes

Route current in one direction and block it in the other to protect sensitive electronics

93 products