Circular Electrical Connectors | McMaster-Carr

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1,500 Products

Electrical Power, Networking, and Controlling

Mil. Spec. Connectors

Mil. Spec. Connectors

Meet strict military standards or are compatible with Mil. Spec. connectors

Metric Circular Connectors

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

Power Connectors

Power Connectors

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

Mini Connectors

Mini Connectors

Plugs, sockets, and receptacles send power and control signals to equipment and automated systems

Micro 360 Connectors

Micro 360 Connectors

Plugs and sockets to make control and data connections in tight spaces

Sure Seal Connectors

Sure Seal Connectors

A PVC housing keeps out liquids and dust and resists chemicals

Mil. Spec. Connector Caps

Mil. Spec. Connector Caps

Protect Mil. Spec. connectors when they're not in use

Ecomate Connectors

Ecomate Connectors

Connect machine tools, robots, and other vibrating equipment

Metric Circular Connector Caps

Metric Circular Connector Caps

Keep metric circular connectors safe when they're not in use

Power Connector Caps

Power Connector Caps

Cover pin-and-sleeve power connectors when they're not in use

Mini Connector Thread Adapters

Mini Connector Thread Adapters

Join two connectors that both have internal threads

Breakaway Connectors

Breakaway Connectors

If pulled or stressed, these disconnect without damaging cables and equipment

Latching Connector Housings

Latching Connector Housings

Everything you need to build a plug housing and a socket housing

Mini Connector Caps

Mini Connector Caps

Shield mini connectors when they're not in use

Metric Circular Cords

Metric Circular Cords

Send power and signal to equipment with metric connections

Mini Cords

Often used to send power and control signals to automated systems, motors, and pumps

Sensor Signal Adapter Cords

Sensor Signal Adapter Cords

Send data between sensors and receivers that have different signal types

USB Cords

Transfer data between computers, printers, and mobile devices

Power Cords

Connect equipment and devices to a power source

Breakaway Cords

Breakaway Cords

Disconnect if pulled to prevent stress on cord

Ethernet Cords

Send data between computers, printers, servers, and switches

Distribution Blocks

Distribution Blocks

Distribute electricity from a single power source to several devices in a circuit

Material Handling

Vacuum Lifters

Grip and move objects with air- or electric-powered suction

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