Voltage Controllers | McMaster-Carr

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1,219 Products

Electrical

Voltage Adapters

Voltage Adapters

Change AC voltage to DC voltage to power a device

Transformers

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

Power Converters

Power Converters

Connect power supplies to equipment that requires a different input voltage

Inverters

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

Power Supplies

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

Rectifiers

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

Power Supply Conditioners

Power Supply Conditioners

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

EMI Filters

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

Phase Converters

Phase Converters

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

Electrical Receptacles

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

Electrical Adapters

Electrical Adapters

Change electrical connectors to another type, size, or gender

Outlet Strips

Plug in multiple devices to power them from a single outlet

Logic Level Converters

Logic Level Converters

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

Battery Surge Protectors/Charge Monitors

Battery Surge Protectors/Charge Monitors

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

Backup Power Supplies

Backup Power Supplies

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

Battery Chargers

Battery Chargers

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

Diodes

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

Surge Suppressors

Surge Suppressors

Stop electrical surges from damaging equipment

Circuit Board Voltage Regulators

Circuit Board Voltage Regulators

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

Varistors

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

Building and Machinery Hardware

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

Lighting

LED Drivers

Send electricity to LED lights and protect them from voltage and current fluctuations

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)