Panel Power Supplies | McMaster-Carr

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.

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.

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

Use the included mounting plate to mount these transformers to a panel. They can handle momentary high-inrush current associated with equipment start-up.

Low-Current Panel-Mount AC to AC Transformers

Hardwire this transformer into your panel.

Panel-Mount Variable-Voltage
AC to AC Transformers

Permanently install these transformers in panels.

Electrical Wiring and Connecting

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.

Wet-Location USB Cords

Rated IP67, these cords withstand wet and dusty locations, such as enclosures on CNC machines.

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.

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.

AC to AC Voltage Transformers

Touch-Safe High-InrushPanel-Mount AC to AC Transformers

Harsh Environment High-InrushPanel-Mount AC to AC Transformers