Voltage Controllers | McMaster-Carr

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3A992

5A991

EAR99

DFARS Specialty Metals

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Connection End Type

Plug

Socket

Input Electrical Connection

1,225 Products

Electrical Power, Networking, and Controlling

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 Supplies

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

259 products

Logic Level Converters

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

1 product

Inverters

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

12 products

Power Supply Conditioners

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

7 products

Power Converters

Connect power supplies to equipment that requires a different input voltage

50 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

Stepper Motor Drives

Control the speed and position of stepper motors

3 products

Circuit Board Voltage Regulators

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

15 products

Diodes

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

93 products

Varistors

Protect sensors, programmable logic controllers, and other small components from electrical surges

20 products

Monitoring Relays

Trip circuits or sound an alarm when voltage, current, or other limits are exceeded

4 products

Power Connectors

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

81 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

27 products

Battery Surge Protectors/Charge Monitors

Display the charge level of a large-cell battery while protecting it from power surges

1 product

Battery Chargers

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

3 products

Backup Power Supplies

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

19 products

EMI Filters

Shield electronics against electromagnetic interference from power supplies, motors, and lights

12 products

Surge Suppressors

Stop electrical surges from damaging equipment

4 products

Lighting

LED Drivers

Deliver the electrical current your LEDs need

49 products

Building and Machinery Hardware

T-Slotted Framing Outlet Strips

Mount on T-slotted rails to add electrical outlets to workstations

2 products