Power Adapters | McMaster-Carr

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1,999 Products

Electrical

Voltage Adapters

Voltage Adapters

Change AC voltage to DC voltage to power a device

Power Supplies

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

Transformers

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

Inverters

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

Power Converters

Power Converters

Connect power supplies to equipment that requires a different input voltage

Phase Converters

Phase Converters

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

Rectifiers

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

Electrical Adapters

Electrical Adapters

Change electrical connectors to another type, size, or gender

Electrical Cord Adapters

Electrical Cord Adapters

Change the electrical connection style between an outlet and your equipment

Electrical Cords

Electrical Cords

Connect equipment and devices to a power supply

Electrical Plugs

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

Electrical Receptacles

Electrical Receptacles

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

Electrical Sockets

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

Electrical Connector Contacts

Electrical Connector Contacts

Crimp wire into pins and sleeves to create custom Molex or Amphenol connectors

Data Connection Hubs

Data Connection Hubs

Add USB ports to a computer to connect more devices

Terminal Adapters

Terminal Adapters

Convert wire terminals from one connection type or gender to another

Terminal Splitters

Terminal Splitters

Divide one male quick-disconnect connection into two

Circuit Board Voltage Regulators

Circuit Board Voltage Regulators

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

Fuse Block Reducers

Fuse Block Reducers

Adapt fuse blocks designed for large, high-amp fuses to hold small, low-amp fuses

Current Conditioners

Current Conditioners

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

Diodes

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

Logic Level Converters

Logic Level Converters

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

Battery Terminal Adapters

Battery Terminal Adapters

Convert one battery terminal style to another

Fluid Handling

Thermocouple and RTD Mounts

Thermocouple and RTD Mounts

Join thermocouple connectors and probes that have different connection types

Thermocouple Connectors

Thermocouple Connectors

Join thermocouple probes and wire to thermometers and control panels

Thermocouple Connector Adapters

Thermocouple Connector Adapters

Convert round-pin male connectors to flat-pin male connectors

Lighting

LED Drivers

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

Light Socket Adapters

Light Socket Adapters

Convert light fixtures to accept different bulbs

Light Starters

Replace or add starters in magnetic ballasts

Measuring and Inspecting

Test Lead Adapters

Test Lead Adapters

Change tip styles to take different measurements with the same test leads

Power Transmission

Air to Hydraulic Power Units

Air to Hydraulic Power Units

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

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