Power Transformers | McMaster-Carr

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1,054 Products

Electrical

Power Supplies

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

259 products

Voltage Adapters

Change AC voltage to DC voltage to power a device

285 products

Transformers

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

238 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

Rectifiers

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

30 products

Phase Converters

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

11 products

Electrical Receptacles

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

5 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

3 products

Logic Level Converters

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

1 product

Current Relays

Prevent AC current overload in equipment such as motors and heaters

5 products

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

3 products

Diodes

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

93 products

Circuit Board Voltage Regulators

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

15 products

Current Conditioners

Lower current flows to levels that work with panel monitors and other electrical measuring equipment

33 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