Power Converters | McMaster-Carr

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1,022 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

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

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

23 products

Open-Frame Power Supplies

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

4 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

Low-Profile DIN-Rail-Mount Power Supplies

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

15 products

Motor-Starting DIN-Rail-Mount Power Supplies

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

10 products

Sealed Power Supplies

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

5 products

Compact Motor-Starting DIN-Rail-Mount Power Supplies

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

9 products

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

Multiple-Voltage DIN-Rail-Mount Power Supplies

Power multiple devices with different voltages at the same time

6 products

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

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

1 product

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

Remote On/Off Power Supplies

Remotely power devices only when needed to save energy

34 products

Junction-Box-Mount Power Supplies

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

2 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

Fixed-Voltage Bench-Mount Power Supplies

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

3 products

Rack-Mount Power Supplies

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

2 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

Power Converters

Connect power supplies to equipment that requires a different input voltage

50 products

Transformers

Raise or lower voltage to meet the needs of an individual circuit

237 products

Power Over Ethernet Injectors

Power devices such as routers and wireless access points in areas lacking a power outlet

5 products

Power Supply Conditioners

Raise or lower current to keep it at a stable output level during incoming dips and surges

7 products

Circuit Board Voltage Regulators

Power circuits from a high-voltage source without frying your system

15 products

Inverters

Transform DC voltage to power devices that run on AC voltage; prevent overload damage

12 products

Voltage Adapters

Change AC voltage to DC voltage to power a device

284 products

Logic Level Converters

Translate signals between development boards, sensors, and other components with different voltages

1 product

Power Adapters

NEMA connection adapters, outlet adapters, and outlet splitters

2 products

Phase Converters

Generate three-phase output power from a single-phase input

11 products

Rectifiers

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

30 products

Ethernet Switches

Expand your data network by connecting computers, printers, and servers

5 products

Diodes

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

93 products

Air to Hydraulic Power Units

Power a hydraulic cylinder with air to avoid the setup, cost, and mess of hydraulic fluid

8 products

Motor Controller/Drives

Determine settings such as steps, direction, and step resolution from one device

3 products