kabelovna kabex

What kabelovna kabex does

Kabelovna Kabex a.s. is a privately held Czech joint-stock company founded in 1994, headquartered in Holýšov, operating a ~6,000 m² production facility with 51–100 employees. The company designs and manufactures specialized cable systems for demanding operating environments, with primary focus on nuclear power plants (VVER-440 and VVER-1000 reactors), petrochemical facilities, and transport tunnel infrastructure. Core offerings include LOCA-qualified cables, hermetic cable penetrations (HKP Kabex 2002) up to and over 4 meters for 3rd-generation NPPs, fire-resistant CPDex cables, MASCHINEX railway cables per EN 50264-3-1, OPTEX fiber optic cables, TrUBEX microtube systems for optical fiber installation, BURNEX fire-separated cable routing systems, and the ZKP-S Salnik cable inlet seal. The company positions itself as a single-source supplier of complete cable systems — cables, joints, and penetrations — from one factory.

Name

kabelovna kabex

Legal name

Kabelovna Kabex a.s.

Website

https://kabex.cz

Company type

Private

Founded year

1994

Operating status

Operating

Headcount range

51–100 employees

Short description

Kabelovna Kabex a.s. is a Czech private cable manufacturer (founded 1994) producing specialized fire-resistant, LOCA-qualified, and hermetic cable systems for nuclear power plants, petrochemical facilities, and tunnel infrastructure customers across Europe, India, and the Middle East.

Ownership category

akta.pro rank

Headquarters

HQ city

Holysov

HQ country

Czechia

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure

Revenue model

1. Custom Cable Manufacturing: Company specializes in custom-made cable production for demanding operating environments. Pricing for each order is individual and based on costs for that specific order. No standard pricing catalog exists.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Kabelovna Kabex a.s. manufactures and sells custom-made fire-resistant and special-purpose cables, hermetic cable penetrations, cable joints/connectors, and associated accessories for nuclear power plants, petrochemical facilities, and transport infrastructure (especially tunnels and metro). Production is project-based and individually priced per order, with the company positioning itself as a single-source provider of complete cable systems (cables + joints + penetrations) for the most demanding operating environments.

Product overview

Kabelovna Kabex a.s. is a Czech cable manufacturer specializing in fire-resistant and special-purpose cables for demanding environments. The company offers a comprehensive portfolio centered around: (1) LOCA cables and hermetic cable penetrations (HKP) for nuclear power plants, providing complete cable route solutions from reactor containment zones through sealed penetrations to clean areas; (2) MASCHINEX railway cables for rolling stock; (3) a full range of power, signal, and fiber optic cables including CPDex, OPTEX, SUNEX, and sensory hybrid variants; (4) specialized accessories including TrUBEX tube systems and BURNEX fire protection systems; and (5) custom manufacturing and testing services. The company positions itself as a single-source provider capable of delivering complete cable systems (cables + joints + penetrations) for nuclear, petrochemical, and tunnel infrastructure applications.

Differentiator

Problem solved

Functional benefit

Brands

• CPDex®: Fire-resistant cables with functional fire resistance classification for power, control, and optical cables
• MASCHINEX®
• TrUBEX®
• TrUBEX® HFFR
• BURNEX®
• SUNEX®
• LIFTEX®
• PURFLEX®
• ULTRAFLEX®
• OPTEX®
• HKP Kabex 2002
• ZKP-S (Salnik)

Products and services

• LOCA Cables Fire-resistant cables designed for nuclear power plant hermetic zones, qualified for loss-of-coolant accident (LOCA) and severe accident conditions. Includes power cables up to 1kV, paired signal cables, coaxial cables, optical cables (OPTEX), and compensating cables for thermoelectric pairs. Products meet IEEE Std. 323-2003, IEEE Std. 383-2003, IEC 60780, and IEC 61226 standards for VVER reactors.
• Hermetic Cable Penetrations (HKP Kabex 2002/2010) Sealed cable bushings for nuclear power plants providing hermetic separation between containment zones, preventing radiation leaks and serving as fire safety barriers. Available in low-voltage (NHKP up to 1kV) and high-voltage (VHKP up to 10kV) versions. Triple fire safety: construction fire separation EI 90, non-fire-spreading cables, and insulation integrity IEC 60331. Maintenance-free design unified for VVER 440 and VVER 1000 reactors.
• Cable Joints/Connectors (Muftky) Cable connection systems for joining, terminating, sealing, and branching cables up to 6/10 kV. Includes KS joints, KS terminations, KS units for repair, KS sealing, and KZ cable endings. Fire-resistant with halogen-free construction.
• MASCHINEX Railway Cables Single-core fire-resistant cables for railway vehicles and transport systems according to EN 50264-3-1 standard. Suitable for trains, trams, and metro rolling stock with increased flexibility and resistance to lubricants and fuels.
• ZKP-S Cable Inlet Seal (Salnik) Non-hermetic cable inlet sealing system with fire resistance EI90 (90 minutes), pressure resistant (0.6 MPa continuous, 1.1 MPa short-term), halogen-free with low smoke density. Suitable for nuclear applications without requiring cable dismantling for installation. Meets IEC 61226 category 'A' requirements.
• OPTEX Fiber Optic Cables Optical fiber cables for nuclear and fire-rated applications, including outdoor installation (A-DQ(ZN)2Y), rodent protection variants (A-DQ(ZN)B2Y), halogen-free fire-resistant (J/A-DF(ZN)H-R, J/A-DQ(ZN)BH-R), and fire-rated versions (J/A-DF(ZN)H-V, J/A-DQ(ZN)BH-V) with tight secondary coating.
• CPDex Power Cables Fire-resistant, halogen-free power cables with CPR classification B2ca-s1a,d1,a1. Includes 1-CXKE-R, 1-C2XKE-R, 1-CXFE-R, 1-C2XFE-R variants for various voltage and installation requirements. Functional fire resistance classifications include P90-R/E90/PS90.
• Power Cables (Silové kabely) Power cables including PVC versions (1-CYKFY), fire-retardant halogen-free (1-CHKE-R, 1-CXKE-R), standard fire-retardant (1-CHKH-R, 1-CXKH-R), and fire-resistant variants (1-CHKE-V, 1-CXKE-V, 1-CHKH-V, 1-CXKH-V) rated up to 0.6/1 kV.
• Signal/Communication Cables (Slaboproudé) Low-current cables including PVC types (JCYFY), fire-retardant halogen-free screened (JCXFE-R, SCXFE-R), fire-resistant (JCXFE-V, SCXFE-V), and installation cables (J-H(St)H, JE-H(St)H) for signaling and fire alarm systems.
• Coaxial Cables Coaxial cables for high-frequency signal transmission including PVC types (VCEKY, VCCKY), halogen-free fire-retardant (VCCJE-R, VCXOE-R), and LOCA-qualified versions (VBXAAAE-V) for neutron flux measurement.
• TrUBEX Tube System Tubular system for optical fiber installation using blow-in technique. Includes standard (TrUBEX NxY), halogen-free fire-retardant (TrUBEX HFFR) versions with inner/outer sheath options for indoor and outdoor installation in tunnels and metro systems. Certified compliant with Prague Transport Agency requirements.
• BURNEX Fire Protection System Fire-separated cable route system for ventilation shafts in metro, nuclear power plants, and civil defense shelters. Steel-ceramic construction providing fire resistance up to 1000°C, available in pressure (BURNEX-T) and mechanical (BURNEX-M) variants. Seismic resistance up to 8° MSK 64.
• SUNEX Solar Cables Power cables for photovoltaic systems rated 0.6/1kV AC (0.9/1.5kV DC), UV and ozone resistant with 30-year service life, suitable for outdoor solar panel and inverter connections.
• LIFTEX Flexible Cables Flexible control cables for moving installation in equipment with elevated operating temperatures. Available in EPR (LIFTEX-X) and PVC (LIFTEX-R) variants meeting ČSN EN 50214 ed.2 standard for lifts.
• PURFLEX Flexible Cables Highly flexible cables for drag chains and repetitive bending applications. PURFLEX, PURFLEX-C (EMC resistant), and PURFLEX-5Y variants with TPE insulation and TMPU sheath, oil and chemical resistant.
• ULTRAFLEX Flexible Cables High-temperature flexible control cables for moving installation with operating range from -40°C to +120°C. Includes ULTRAFLEX-R and ULTRAFLEX-C (EMC screened) variants with flame-retardant TPE construction.
• Sensory Hybrid Cables Hybrid cables with integrated sensor fibers for temperature and pressure monitoring along cable routes. Developed in cooperation with Vysoká škola báňská – Technical University of Ostrava under TA ČR grant. Targets nuclear energy, chemical industry, and tunnel applications with localization accuracy to 50 cm.
• Custom/On-Demand Production Custom cable manufacturing services including color coding, specialized barriers (fire-retardant, water-blocking, mechanical protection), and hybrid cable configurations tailored to specific customer requirements. Pricing is individualized per order based on specific costs.
• Testing and Certification Services Certified testing laboratory services including fire resistance testing (IEC 60331), insulation integrity tests, cable bending tests, thermal analysis (DSC, TGA), and HV testing station up to 10kV DC. Laboratory certified since 1997.
• Installation and Maintenance Services Professional installation and maintenance services for Kabex products, delivered through company specialists or certified partner companies, including repair kits for existing hermetic cable penetrations.

Quantifiable outcome

• Hermetic cable penetrations over 4 meters long for 3rd generation nuclear power plants
• +3 more outcomes

Named customers19 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Six partnerships are on record, tiered minor, core and foundational.

• KOPOS KOLÍN a.s.minorStrategic or Co-development Partner · 1 January 2019Joint testing of functional fire-resistant cables with cable support systems. Tests conducted in September 2019 at accredited testing laboratory FIRES s.r.o. Batizovce according to ČSN 730895, DIN 4102-12, and STN 92005 standards.
• Vysoká škola báňská – Technická univerzita Ostrava (VSB-TUO)coreStrategic or Co-development Partner · 1 January 2018Technical University of Ostrava under leadership of Professor Vladimír Vašínko. Joint development of sensor hybrid cables with integrated optical fibers for monitoring temperature and pressure along cable routes. Developed under TA ČR (Technology Agency of Czech Republic) grant program.
• VUKI (Výskumný ústav káblov a izolačných materiálov)foundationalStrategic or Co-development Partner · 1 January 1994Slovak research institute of cables and insulating materials. Partnership established in 1994 for initial production line launch. This collaboration enabled achieving high quality standards for production and initiated further cooperation with other research institutes and universities.
• AtomstroiexportcoreStrategic or Co-development PartnerAs a sub-supplier, company delivered 2,500 km of cables for Kudankulam NPP construction in India. This 2005-2008 cooperation enabled certification under Russian GOST standards and entry into new markets.
• AVK (Association of Cable Manufacturers of Czech Republic and Slovakia)minorOthersCompany was member until 2022. Currently not a member as stated in March 2026 official statement regarding Slovak PMÚ decision.
• Intercabel (International Association of Cable Producers)minorOthersInternational association of cable producers and equipment manufacturers for cable production.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Brugg Cables: Swiss manufacturer of specialty high-voltage and fire-resistant cables with strong presence in nuclear power plant, tunnel, and industrial infrastructure projects across Europe. Comparable niche specialization and safety-critical product positioning to Kabex.
• HELUKABEL: German specialty cable manufacturer offering fire-resistant, halogen-free, and industrial cables for energy, infrastructure, and rail applications. Comparable in mid-size European specialty cable niche with overlapping customer verticals to Kabex.
• Tratos: Italian specialty cable manufacturer producing fire-resistant, LSZH, and nuclear-grade cables for power, rail, oil and gas, and infrastructure markets. Directly comparable in product mix, certification posture, and European mid-size manufacturer profile to Kabex.
• Kabelwerk Eupen: Belgian specialty cable manufacturer focused on fire-resistant, halogen-free, and safety-critical cables including nuclear and tunnel applications. Closely comparable niche, customer base (European NPPs, metros, refineries), and technology portfolio to Kabex.

Broad incumbents

• Prysmian Group: World's largest cable manufacturer with significant nuclear-grade, fire-resistant, and submarine cable franchises. Overlaps with Kabex in nuclear, petrochemical, and infrastructure cables but operates globally at far greater scale and with broader portfolio.
• Nexans: Global cable manufacturer with substantial nuclear, infrastructure, and specialty cable operations including fire-resistant and submarine products. Overlaps directly with Kabex in nuclear and tunnel/metro cabling but competes from a much broader, diversified platform.
• Leoni AG: German manufacturer of cables and wiring systems for automotive, industrial, and infrastructure applications including railway and specialty fire-resistant segments. Overlaps with Kabex in MASCHINEX-equivalent railway cable business but with much broader industrial footprint.
• NKT A/S: Danish cable manufacturer with strong nuclear, high-voltage, and specialty infrastructure cable offerings across Europe. Comparable in nuclear-grade product family but operates at materially larger scale and broader portfolio than Kabex.
• Belden Inc. US-listed specialist in signal, networking, and industrial cable systems for mission-critical infrastructure. Compares to Kabex in specialty industrial cable positioning, though Belden's portfolio skews to data and communication versus Kabex's nuclear and petrochem focus.

Regional players

• Elsewedy Electric: Egyptian and MENA-focused cable and electrical equipment manufacturer serving regional power, infrastructure, and industrial markets. Comparable as a regional specialty cable manufacturer with existing overlap in Middle East refining customers such as Basra.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/Kabelovna-Kabex-as-100063538635001
• LinkedInlinkedin.com/company/kabelovna-kabex-a-s-

Compliance17 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about kabelovna kabex