240 W Magnetic USB-C Charging Cable 16-Pin Rotating Head, Interchangeable Tips

Last updated: 13 September 2026

Overview

A magnetic USB-C charging cable buys you a connection that finds its own way home
and lets go when something catches it, and it pays for that with contact area. Sixteen spring-loaded
pins have to do the work that a one-piece plug does with a solid shell, so the engineering question on
this build is not whether it is magnetic — it is how much current you can push across those pins before
the joint becomes the hottest part of the chain. We build the head, the pin set and the cable as one
assembly, and the rating your build is verified to is the one stated on your drawing.

Key Specifications

What the sixteen pins are doing

A magnetic head does not have the mechanical preload of a plug seated in a socket, so the pin count
is spent on carrying current in parallel rather than on signal variety. Splitting the power path across
several pins lowers the resistance of the joint and spreads the heat; the remaining pins carry the
USB 2.0 pair, the channel configuration line and the identification used by the tip.

The trade you are making: breakaway against contact resistance

This is the part most listings skip. A magnetic joint releases under a pull, and the force required
to release it is the same force holding the pins against their pads. Set it high and the cable stops
breaking away, which is the whole point of buying it. Set it low and the pins lift under vibration,
the contact resistance rises, and the joint warms up. So the useful specification is not the magnet
strength — it is the pull force your application needs, stated per your drawing, plus the contact
resistance the assembly has to hold after mating cycles.

• Handheld, in-vehicle, bedside — lower release force is right, because the cable is meant to let go.
• Carts, kiosks, fixed mounts — higher retention is right, because nobody is pulling the cable and vibration is the real risk.
• High current — keep the mating faces clean. Finger oils and dust on the pads raise resistance and heat the joint.
• Dirty or oily environments — ask about a covered head. Debris across the pads is the failure mode that ends these cables.

What 240 W actually requires from the rest of the chain

240 W is the top of the extended power range introduced with USB Power Delivery 3.1: 48 V at 5 A.
It only appears when three things agree. The charger has to advertise the 48 V EPR power data object.
The cable has to report, through the marker chip in the plug, that it is an EPR cable rated for that
voltage and current. And the device has to ask for it. If any one is missing the pair settles at a
lower operating point and charging simply gets slower — that graceful fallback is by design, and it is
why a mismatch shows up as a slow charge rather than a failure. The USB-C connector itself stays at 5 A; the extra power comes from
raising the voltage, not from pushing more current.

Rotation geometry

The head rotates a full turn and also swivels through a wide arc, so the cable leaves the plug in
whatever direction the layout needs instead of fighting the user. That matters when a device sits flat
on a surface and the cable has to exit sideways, or when a handheld is used while charging. Rotation is
mechanical, and the contact design is what keeps the connection stable through it: the power pins run
on concentric rings so they stay in contact at any angle, while the data pins are routed to keep the
pair short.

Tip options and fleet use

The head accepts interchangeable tips, so one cable covers a mixed device population. USB-C and
Micro-USB tips are available now; further tip types are quoted on request. A storage dock keeps the
head and spare tips together, which is what makes this workable on a cart rather than in a drawer.

• Fleet and classroom charging carts, where one cable type covers several device generations
• In-vehicle and bedside use where the cable is pulled often
• Accessibility setups — the connection takes no precision and no force, which is a genuine help to users with limited hand mobility
• Shared test benches where a port gets mated hundreds of times a week

Typical applications for this magnetic USB-C charging cable

• Charging carts in schools, warehouses and hospitals, with our USB-C PD charging cable as the non-magnetic alternative on the same cart
• In-vehicle and forklift mounts where the operator leaves the vehicle with the device in hand
• Bedside and wheelchair mounts, where a breakaway is a safety feature rather than a convenience
• Retail and kiosk demo units, paired with a dual port USB panel on the fixture
• DC-side magnetic builds using our DC 5.5 x 2.1 mm magnetic charging cable

How to specify your build

1. Release force — how hard a pull should separate the head, in your application.
2. Current and voltage — what the device draws, and whether EPR is actually needed.
3. Tip set — which tips, and how many per cable.
4. Cable length and jacket — braided or smooth, and what it will be dragged across.
5. Mating cycles — the number the head has to survive, if you have a figure in mind.
6. Marking and packaging — your part number, your label.

Workmanship and testing

Assembly and inspection follow IPC/WHMA-A-620 Class 3 workmanship criteria under our ISO 9001 quality management system, and every unit passes 100% continuity and pinout testing before it is packed. Conductor range is 32 to 12 AWG. Where an ingress rating is specified we can quote seal checking on the production batch.

Related charging assemblies

• USB-C PD Charging Cable 240 W PD 3.1 EPR, Braided
• USB-C Power Display Cable 240 W PD 3.1 with Digital W/V/A Readout
• USB Type-C Magnetic Charging Cable
• DC 5.5 x 2.1 mm Magnetic Charging Cable
• Magnetic Pogo Pin Cable USB-C for Medical and Wearable Devices

Full range: DC Plug Power Cable.

Frequently Asked Questions