Switching Power Supplies  Manufacturers, Traders, Suppliers

We're designing and producing AC/DC switching power supplies/power adapters/battery chargers. 5W-150W models with the output DC voltage range 5V-36V, current range 0.1A-10A. And the following items (alias) may comprise what you're looking for,
Single-output switching power supply, safety-switching power supply, single-phase switching power supply, closed frame switching power supply, TUV switching power supply, external switching power supply, CE switching power supply, compact switching power supply.

We are only designing and producing switching power supply, Please pay attention, we don't have linear power supply.
Certified by UL, cUL, FCC, CE, GS, SAA, PSE, UKCA, CCC
Appearance design: Wall mount, interchangeable AC plug, desktop class I and II, desktop with fixed AC cord, and open frame for builtin/embedded purpose.
Input: 100-240Vac, 50/60Hz
Energy rate: DOE VI, COC V5 Tier 2.
Protection: OCP, OVP, SCP, OLP
Surge: 1KV/6KV optional
EMC/EMI margin: More than 6db
PFC: 72W above products are optimized with PFC+LLC design
Materials: IC, Cap, PCB, all Taiwan class A brands adopted.
For more detailed technical data of concrete model, please send us inquiry, we will reply within 24hrs.
Custom options including but are not limited:
1. Output spec 5-36Vdc, 0.01-10A (custom can be defined freely within this range)
2. DC cord length and type (The cord length should be less than 3 meters to comply with safety certificate)
3. AC plug type if wall mount appearance is chosen, such as EU plug, UK plug, US plug, AU plug, etc.
4. DC plug spec, as USBA, USBC, straight, left bent, right bent, and so on
5. Nameplate info
6. Package
You can feel free to contact us to check all relevant documents, certificates you want to inspect before any practical actions. Our good cooperation will surely impress you, which helps you to decide to have a seat and have a talk with us.

K-tech products can be sold and used worldwidely except the areas don't need such product at all.
Our products are mostly adopted in these indoor industries (but are not limited), such as audio & visual, telecomminication, IT, PA system, homeware & home appliances, can be used concretely on surveillance camera, projector, barcode printer, laptop battery, audio amplifier, tablet pc, wireless microphone, embedded pc, set top box, Hi-Fi speaker, musical instruments and other applicable electric items. In a word, even the best product or newest technology is only as good as the power supply supplying it well.
More common applications: Mobile phones, MP3, MP4, MP5, DVD, PS4, PS5, HP, ASUS, ThinkPad, electric erotic items, vacuum, drones, radio, router, exchanger, massage chair, guitar panels, power amplifier, displays, digital signages......anything, everything!
Our hot-selling typical specs are listed for reference, so you can make a quick match by glance:
5W phase: 5W at 5Vdc 1A
12W phase (5Vdc-24Vdc, 0.01-2.4A spectrum, original classic wall plug-in design, direct USB ouput, or fixed DC cord type)
12W at 12Vdc 1A
12W at 24Vdc 0.5A
30W phase (5Vdc-25Vdc, 0.01A-4A spectrum, original classic wall plug-in design, can be customized into desktop adapter class II or be with fixed power cable)
18W at 12Vdc 1.5A
24W at 12Vdc 2A
24W at 24Vdc 1A
30W at 12Vdc 2.5A
30W at 15Vdc 2A
30W at 24Vdc 1.25A
48W phase (8Vdc-25Vdc, 0.01A-4A spectrum, original classic wall plug-in design, can be customized into desktop adapter class I, class II or be with fixed power cable)
36W at 12Vdc 3A
36W at 24Vdc 1.5A
39.9W at 19Vdc 2.1A class I
40W at 20Vdc 2A
42W at 12Vdc 3.5A
45W at 15Vdc 3A
48W at 12Vdc 4A
48W at 24Vdc 2A.
65W phase (9Vdc-25Vdc, 0.01A-6A spectrum, original class I, class II desktop adapter design, can be customized into open frame)
54W at 9Vdc 6A class I
60W at 12Vdc 5A class II
60W at 12Vdc 5A class I
60W at 24Vdc 2.5A class II
72W at 18Vdc 4A class II
72W at 24Vdc 3A class II
100W phase (12Vdc-36Vdc, 0.01A-7.5A spectrum, original class I desktop adapter design, can be customized into open frame)
90W at 12Vdc 7.5A class I
90W at 24Vdc 3.75A class I
99.84W at 24Vdc 4.16A class I
120W phase (12Vdc-24Vdc, 0.01A-10A spectrum, original class I or with fixed power cable desktop adapter design, can be customized into open frame)
120W at 12Vdc 10A class I
120W at 24Vdc 5A class I
144W at 24Vdc 6A with power cable

"Unter Strom" - with customer-oriented performance
Leading international companies in automation, mechanical engineering and medical technology rely on power supplies from Gebrüder Frei. As a full-range supplier, we produce and supply the "heart" for machines and devices from a single source: from the transformer to the transformer power supply unit to the switching power supply.From a range of switch-mode power supplies with high approval standards to semi-standard products and detailed customer-specific switch-mode power supply solutions developed in close cooperation with the customer, Gebrüder Frei provides a well-founded and in every respect optimum answer to the most difficult requirements for economical, highly efficient and future-proof power supplies.