AC to DC Converters | McMaster-Carr

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Certification

AS-International Association Certified

C-ETL Listed

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C-UL Recognized Component

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Polarity

660 Products

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

Heavy Duty DIN-Rail-Mount Power Supplies

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

22 products

Sealed Power Supplies

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

5 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

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

Open-Frame Power Supplies

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

4 products

Motor-Starting DIN-Rail-Mount Power Supplies

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

10 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

Remote On/Off Power Supplies

Remotely power devices only when needed to save energy

34 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