POS USB-C PD Cable for Kiosk and Self-Service Terminals

A POS USB-C PD cable that carries power and data over one link between a retail terminal and its peripherals. PD 3.0 and 3.1 negotiation with an E-Marker, USB 3.2 Gen 2 class data, and a molded strain relief with an optional latch or screw-lock shell.

Description

Last updated: 13 September 2026

Overview

Retail terminals and self-service kiosks are moving off PoweredUSB and separate 12 V or 24 V barrels onto a single POS USB-C PD cable link that carries power and data together. Fewer connectors behind the counter means fewer service calls, and a standard cabled interface means the terminal and the peripheral can be sourced independently. The catch is that a counter is a far worse environment than a desk: the lead gets snagged by stock, by cleaning and by customers leaning on the counter.

Key Specifications

Product typeUSB-C PD power and data cable for POS and kiosks
Power deliveryPD 3.0 / 3.1, up to 240 W – design target, to be confirmed
Data rateUSB 3.2 Gen 2 class, 10 Gbps – to be confirmed
E-MarkerRequired for the higher current levels – rating to be confirmed
RetentionMolded strain relief, optional screw-lock or latch shell
Length range0.5 m to 3 m
JacketPVC or TPE, set by the installation
Voltage dropChecked over the stated length as part of the test plan
LabelingPart number and terminal tag printing available

What kills a counter cable

Every one of these is a field failure we have been asked to fix, and every one has a design answer that costs less than the callout:

Stress in serviceWhat it doesDesign answer
Snagging by stock and cleaningPlug walks out, terminal drops out mid-transactionLatch or screw-lock shell specified at design stage
Repeated side load at the plugLoad into the solder terminations, intermittent linkMolded strain relief sized to the cable, not to the plug
Cleaning fluids on the jacketJacket stiffens then cracks at the bendPVC or TPE chosen for the agents the site uses
Voltage drop on a long runPeripheral resets at peak hour, not at commissioningLength and cross-section checked together against the load
Wrong data class specifiedPaying for 10 Gbps on a printer that runs at USB 2.0Specify down where the peripheral does not need it

Power: negotiation is not the same as delivery

USB Power Delivery is a negotiated contract, not a fixed output. The source offers a set of profiles, the sink requests one, and the cable has to identify its own capability through an E-Marker chip before the higher current levels are offered at all. In USB-IF naming, PD 3.1 extended power range is the 240 W class at 48 V and 5 A; PD 3.0 covers the 100 W class at 20 V and 5 A. Those are the industry definitions for the specification, quoted here so you can match the terminal to the peripheral. The wattage, the E-Marker current rating and the data rate on this page are design targets until the supplier datasheet and our own electrical results are in.

One figure matters more than the headline wattage in a kiosk: voltage drop over the stated length. A cable that negotiates the correct voltage but loses it across a three meter run will still leave a receipt printer resetting at peak hour, so drop over length is part of the test plan rather than an afterthought.

Retention options

Latching matters more here than it does in office use, and retrofitting it after the first failure costs a site visit. Choose at design stage:

  • Molded strain relief only – suits a terminal where the lead is clamped and never touched.
  • Latch shell – a mechanical catch in the plug body, quick to connect and disconnect by hand.
  • Screw-lock shell – threaded retention for a terminal that is moved, cleaned around or mounted where the lead can be kicked.

Specify down where you can

Across a rollout of several hundred units, the difference between a Gen 2 assembly and a plain data lead is real money. Confirm two things before ordering: the terminal-side power profile, and whether the peripheral actually needs high-speed data. A receipt printer on a plain USB 2.0 link does not need a Gen 2 cable. A scanner with image capture might. Tell us the counter layout and we will quote the shortest usable length, because length is what erodes both the data margin and the voltage.

Typical applications for this POS USB-C PD cable

USB Power Delivery and the E-Marker requirement are part of the USB-IF specifications for the point of sale hardware class this replaces; we build to the profile on your drawing and verify to that figure.

How to specify your build

  1. Terminal power profile – the voltage and current the terminal requests.
  2. Peripheral data class – Gen 2, or plain data if the device does not need it.
  3. Length, taken from the counter layout rather than from a catalog.
  4. Retention – strain relief, latch or screw-lock.
  5. Jacket – PVC or TPE, and what it will be cleaned with.
  6. Quantity, and whether this is a prototype or a rollout.

Workmanship and testing

IPC/WHMA-A-620 Class 3 is the workmanship standard and ISO 9001 is the quality system behind it. We work from 32 to 12 AWG. Nothing ships without a continuity and pinout check, and seal checking can be added where an ingress rating is part of the specification.

Custom builds and ordering

Small runs start at 5 pcs and leave in 3 working days. At production volume the minimum is 500 pcs and lead time is 14 working days after approval. New tooling is about 10 working days on top. OEM and ODM orders ship under your part number, with material certificates and first-article reports available.

Related assemblies

Full range: signal and data cables.

Frequently Asked Questions

Do I need an E-Marker for a 100 W terminal?

Current levels above the base 3 A require the cable to identify itself, so yes for anything beyond that. The rating your assembly is built to is stated per order.

Can I use a 3 m lead on a 240 W terminal?

Possibly, but check voltage drop rather than the wattage figure alone. Long runs at high current are where resets appear, and it shows up at peak hour rather than at commissioning.

Is the latch worth specifying?

On a counter, yes. A lead gets snagged by stock and by cleaning; a latch shell fitted at design stage is far cheaper than the site visit after the first failure.

What is the minimum order?

Prototype quantity is 5 pcs minimum with a 3 working day turnaround. Production starts at 500 pcs and ships 14 working days from approval.

Additional information
Product typeUSB-C PD power and data cable for POS and kiosks
Power deliveryPD 3.0 / 3.1, up to 240 W – design target, to be confirmed
Data rateUSB 3.2 Gen 2 class, 10 Gbps – to be confirmed
E-MarkerRequired for the higher current levels – rating to be confirmed
RetentionMolded strain relief, optional screw-lock or latch shell
Length range0.5 m to 3 m
JacketPVC or TPE, set by the installation
Voltage dropChecked over the stated length as part of the test plan
LabelingPart number and terminal tag printing available