Power Supplies | McMaster-Carr

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3,992 Products

Electrical Power, Networking, and Controlling

Power Supplies

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

252 products

Voltage Adapters

Change AC voltage to DC voltage to power a device

284 products

Transformers

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

237 products

Power Converters

Connect power supplies to equipment that requires a different input voltage

50 products

Inverters

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

12 products

Logic Level Converters

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

1 product

Power Supply Conditioners

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

7 products

Rectifiers

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

30 products

USB Chargers

Power up mobile devices and other electronics

21 products

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

1,547 products

USB Connectors

Plugs, sockets, receptacles, and adapters to make USB connections

71 products

Solenoid Valve Connectors

Sockets and receptacles to connect solenoid components, such as valves and motors

20 products

Power Cords

Connect equipment and devices to a power source

263 products

USB Cords

Transfer data between computers, printers, and mobile devices

255 products

Extension Cord Reels

Keep extension cords easy to access without creating a tripping hazard

94 products

Thunderbolt Cords

Transmit data and video at high speeds between PCs, mobile devices, and displays

2 products

Extension Cords

Extend the reach of power from an outlet

389 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

114 products

Wireless Charging Pads

Charge smartphones with direct contact—no need to plug them in

3 products

Outlet Strip Mounts

Snap in outlet strips for quick mounting on flat surfaces

4 products

Backup Power Supplies

Transfer power to a built-in battery during partial and complete outages

19 products

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

54 products

Motor Controller/Drives

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

3 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

Lighting

LED Drivers

Deliver the electrical current your LEDs need

50 products

Light Retrofit Kits

Upgrade to energy-efficient LED lights without completely replacing old fixtures

11 products

Workstation Lights

Mount above your workspace to brighten your work and add light where ceiling lights can't reach

11 products

Power Transmission

Air to Hydraulic Power Units

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

8 products

Hydraulic Actuators

Turn heavy loads to do everything from opening tank doors to pivoting conveyors

16 products

Hydraulic Motors

Power equipment where electric motors aren't safe and air-powered motors aren't strong enough

6 products