Panel Power Supplies | McMaster-Carr

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170 Products

AC to AC Voltage Transformers

Low-Current Panel-Mount AC to AC Transformers

Hardwire this transformer into your panel.

Touch-Safe High-Inrush
Panel-Mount AC to AC Transformers

Prevent accidental contact with live electrical connections—the screw terminals are covered or recessed. These transformers can handle momentary high-inrush current associated with contactors, solenoids, and relays.

Harsh Environment High-Inrush
Panel-Mount AC to AC Transformers

Sealed coils protect against dust, dirt, oil, and moisture. These transformers can handle momentary high-inrush current associated with contactors, solenoids, and relays.

High-Inrush Panel-Mount AC to AC Transformers

These transformers can handle momentary high-inrush current associated with contactors, solenoids, and relays.

Outlet Box/Panel-Mount
High-Inrush AC to AC Transformers

Use the included outlet box cover or mount these transformers to a panel. They can handle momentary high-inrush current associated with equipment start-up.

DIN-Rail/Panel-Mount High-Inrush
AC to AC Transformers

Use with DIN-rail to install wherever you need these transformers or mount them to a panel. They can handle momentary high-inrush current associated with equipment start-up.

Panel-Mount Variable-Voltage AC to AC Transformers

Permanently install these transformers in panels.

Electrical Wiring and Connecting

USB Cords

Connect devices such as computers, printers, and mobile devices.

Panel-Mount USB Cords

With a flange on the socket end, you can mount these cords in a panel cutout to move data between computers, printers, and mobile devices.

Washdown USB Cords

Rated IP67, these cords withstand washdowns and temporary submersion. Connect them to a USB device inside an enclosure.

Panel-Mount USB Chargers

No drilling or fasteners needed—a screw-in cover plate makes it easy to mount these chargers for powering up phones, tablets, speakers, cameras, and other small devices.

EMI-Filtering IEC Connectors
with Integrated Power Supply

Change AC voltage to DC voltage and bring power to electronic devices while protecting them from harmful electromagnetic interference (EMI).

Panel-Mount USB Adapters

These panel-mount adapters have a female USB connection on both ends to join two USB cables.