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KUK Group

KUK Electronic AG

Appenzell, Switzerland

Unmanned SystemsRadar & SensorsCommunications & SATCOMElectronic WarfareDual-use
Component Supplier, Subsystem Manufacturer
Profile last updated: June 4, 2026

About

KUK Group is a defense component supplier based in Appenzell, Switzerland working in unmanned systems, radar & sensors, communications & satcom +2 more.

KUK Group is a Swiss-headquartered manufacturer of custom wound components, coils, transformers and electronic assemblies, operating production sites in Switzerland, France, China, Thailand, the Netherlands, Tunisia and Slovakia. Its core offering covers air-core, microcoils, toroidal coils and transformers, from prototypes to volume production, plus PCB assembly (SMD and THT), potting, overmoulding and assembly of complete motors and coil sub-assemblies. Its customer base spans automotive, industrial, medical and sensor applications. KUK also states that it supplies electromagnetic components for military and defence systems, such as lightweight aluminium-wound coils for UAV motors, tactical communication equipment, radar and electronic warfare equipment, and offers electromagnetic shielding solutions for defence electronics.

Location

Appenzell, Switzerland

Legal name

KUK Electronic AG

Focus areas

coilsmicrocoilsair-core coilstoroidal coilstransformersEMSmotor assemblyUAV motorslightweight coilselectromagnetic shielding

Languages

DEFRNLSKZHTH

Products & capabilities

Defense domains

Unmanned SystemsRadar & SensorsCommunications & SATCOMElectronic WarfareAir Systems

Supply-chain role

Component SupplierSubsystem ManufacturerContract Manufacturer

What they offer

HardwareComponentsManufacturing ServicesEngineering Services

Markets

Also sells to civilian markets

Products

Aluminium- und CCA-Drahtspulen

Lightweight defense coil

Lightweight aluminium and copper-clad aluminium (CCA) wound coils for weight-constrained military and defence systems, including airborne reconnaissance systems.

Luftspule Sonderform

Air-core coil

Custom-shaped air-core coils in any geometry, wire form or orthocyclic winding, including self-supporting backlacquer coils.

Mikrospule mit magnetischem Kern

Microcoil

Microcoils wound directly onto magnetic cores, using wires from 0.010 mm, for miniaturised sensors, tactical communication and defence electronics.

Kundenspezifische Ringkernspule

Toroidal coil

Custom toroidal coils with inner diameters from 3 mm, using ferrite or other cores.

Hochfrequenz-Transformator

Transformer

Custom high-frequency ferrite transformers and ferrite coils.

Niederfrequenz-Transformator

Transformer

Custom low-frequency transformers, chokes and inductors, including 50 Hz types.

Elektromotor

Electric motor

Custom electric motors assembled from coils, PCBs and cables, including motors for UAV applications.

Credentials & affiliations

Certifications

IATF 16949

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