DEHN SE Co.KG
DEHN SE is a German family-owned manufacturer founded in 1910, specializing in lightning protection, surge protection, earthing systems, and electrical occupational safety equipment. The company serves industrial, commercial, residential, energy, healthcare, data center, e-mobility, telecom, and rail customers globally through direct sales, e-commerce, and international subsidiaries.
- Company typePrivate
- Founded1910
- HeadquartersNeumarkt, Germany
- Headcount1,001–5,000
- GTM typeB2B
- OfferingHardware or Manufacturing
What DEHN SE Co.KG does
DEHN SE is a privately held, family-owned German electrical engineering company founded in 1910 and headquartered in Neumarkt, Germany. The company designs, manufactures, and sells surge protection devices (SPDs), lightning protection systems, earthing/grounding components, and electrical occupational safety equipment, organized across three principal hardware lines — Red/Line for energy technology (up to 1,000 V AC / 1,500 V DC), Yellow/Line for information technology and building automation, and a comprehensive external lightning protection and earthing portfolio including HVI high-voltage-resistant insulated downleads. DEHN holds proprietary technologies such as RAC (Rapid Arc Control), ACI (Advanced Circuit Interruption), RADAX-Flow, HVI, and Thermo-Dynamic Control, and operates a DIN EN ISO/IEC 17025-accredited in-house Test Centre plus an active role in DIN/IEC standards development that functions as a regulatory moat.
DEHN serves eight primary use-case segments: residential buildings (including prosumer installations with PV, wallboxes, and heat pumps), industrial and commercial buildings, healthcare and critical infrastructure, data centers, the energy sector (renewables, battery storage, smart grids, hydrogen), e-mobility charging infrastructure, telecommunications, and railway infrastructure, plus occupational electrical safety. Reference customers include KAMPA, INTILION, VARTA Storage, Netze BW, co.met, IDS GmbH, Charité Berlin, Klinikum Ingolstadt, Helmholtz Zentrum, FEST GmbH, and Fischer Automobile — indicating adoption across utilities, hospitals, OEMs, and research institutions.
The business model combines one-time hardware sales (DEHNguard, DEHNshield, DEHNventil, BLITZDUCTOR, DEHNcube, DEHNcare, DEHNshort, etc.) with recurring revenue from engineering services, the DEHN Test Centre, paid training through DEHNacademy (including the new DEHNplan Learning Journey subscription), and condition monitoring (DEHNrecord). Go-to-market is dual-pronged: direct field sales and engineering consulting for complex enterprise projects, supported by a direct-to-customer e-commerce storefront and an international network of eight regional subsidiaries plus distribution partners across 30+ European countries and selected markets in the Americas, Asia & Oceania, and Africa & the Middle East. Marketing leverages content (BLITZPLANER), e-learning, podcasts, YouTube, and major industry trade shows such as The smarter E Europe and A+A.
DEHN SE Co.KG firmographics
Firmographics- Name
- DEHN SE Co.KG
- Legal name
- DEHN SE
- Website
- https://dehn.de
- Company type
- Private
- Founded year
- 1910
- Operating status
- Operating
- Headcount range
- 1,001–5,000 employees
- Short description
- DEHN SE is a German family-owned manufacturer founded in 1910, specializing in lightning protection, surge protection, earthing systems, and electrical occupational safety equipment. The company serves industrial, commercial, residential, energy, healthcare, data center, e-mobility, telecom, and rail customers globally through direct sales, e-commerce, and international subsidiaries.
- Ownership category
- akta.pro rank
DEHN SE Co.KG industry classification
Industry- Product category
- Electrical Protection Equipment
- NAICS
- Electrical Equipment Manufacturing (33531), Wiring Device Manufacturing (33593), Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515)
- SIC
- Electronic & Other Electrical Equipment (No Computer Equip) (3600), Instruments For Meas & Testing Of Electricity & Elec Signals (3825)
- akta.pro primary industry
- Circuit Protection Devices (MCBs, MCCBs, ACBs, fuses, RCD/GFCI, surge protection) (IMAGAEAB)
- akta.pro secondary industries
- Grounding, Bonding & Lightning Protection (grounding bars, clamps, earthing systems, lightning arrestors) (IMAGAEAJ), Power Quality, Metering & Monitoring (HDACAJAG), EMI/Shielding, Grounding & Surge Protection for Cabling Systems (HDAFALAL)
Keywords
Where DEHN SE Co.KG is headquartered
LocationHeadquarters
- HQ city
- Neumarkt
- HQ country
- Germany
- HQ region
- Europe
Offices9 records
Markets served
DEHN SE Co.KG business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Surge Protection Devices and Systems: DEHN generates revenue primarily through the sale of surge protection devices (SPDs), lightning protection components, earthing systems, and associated accessories. Products are sold through direct sales, online store, and channel partners globally. Revenue is one-time (product purchase) with recurring service and maintenance revenue from engineering services, testing, and inspection services.
- Professional Services (Engineering, Testing, Training): DEHN offers fee-based engineering services for lightning protection planning, risk analysis, earthing simulation, and budget planning. The DEHNacademy provides paid seminars, e-learning, online courses, and the DEHNplan Learning Journey training program. Testing and inspection services are also offered through the DEHN Test Centre.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | One-time | DEHNplan Learning Journey – Online Training |
Go-to-market motion2 records
Distribution channels4 records
Marketing channels8 records
DEHN SE Co.KG product offering
Product offeringCore offering
DEHN manufactures and sells surge protection devices (SPDs), lightning protection systems, earthing/grounding solutions, and occupational electrical safety equipment (PPE, arc fault protection). The portfolio covers three main hardware lines — Red/Line for energy technology surge protection up to 1,000 V AC / 1,500 V DC, Yellow/Line for information technology surge protection, and external lightning protection/earthing components. Complementary offerings include DEHNplan 2.0 BIM planning software, engineering services, accredited testing at the DEHN Test Centre, and the DEHNacademy training platform.
Product overview
DEHN SE is a family-owned electrical engineering company specializing in lightning protection, surge protection, and work safety since 1910. The product portfolio is organized into three main hardware lines: Red/Line for energy technology surge protection (systems up to 1000 V AC / 1500 V DC) featuring products like DEHNguard, DEHNventil, DEHNshield, and DEHNcube; Yellow/Line for information technology surge protection including BLITZDUCTORconnect, DEHNpatch, and DEHNbox; and a comprehensive lightning protection and earthing portfolio with HVI conductors, earth electrodes, clamps, and mounting systems. The work safety division covers DEHNcare arc-rated clothing, DEHNshort arc fault protection, DEHNsense EFD detectors, DEHNproX inspection cameras, and DEHNarX risk assessment services. Supporting the hardware portfolio is a suite of digital tools: DEHNplan 2.0 BIM-compatible planning software, DEHNproject for collaborative project management, DEHNrisk for lightning risk assessment, DEHNselect for residential building configuration, the BLITZPLANER digital reference work, and DEHNacademy training platform. Services include DEHN Engineering Services for professional planning, DEHN Test Centre for accredited testing, and Condition Monitoring via DEHNrecord.
Differentiator
Problem solved
Functional benefit
Brands
- Red/Line: Surge protection product line for energy technology applications up to 1,000 V AC / 1,500 V DC
- Yellow/Line
- DEHNcare
- DEHNplan
- DEHNrecord
- DEHNshort
- DEHNsense
- DEHNproX
- DEHNarX
- BLITZDUCTOR
- DEHNshield
- DEHNguard
- DEHNventil
- DEHNcube
- DEHNpatch
- DEHNgate
- DEHNwork
- DEHNacademy
- DEHNproject
- DEHNrisk
- DEHNselect
- DEHNiso
- BLITZPLANER
Products and services
- Red/Line Surge Protection (Energy Technology)
Quantifiable outcome
- DEHN and Celsion fire test confirmed: surge protection devices remain fully functional after exposure to over 900°C for 33 minutes in a real-fire test at MPA Universität Stuttgart.
- +1 more outcomes
Companies that use DEHN SE Co.KG
Customer profileNamed customers12 records
Segments9 records
Ideal customer profiles1 record
DEHN SE Co.KG technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration2 records
Feature10 records
DEHN SE Co.KG partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Celsion Brandschutzsysteme GmbHcoreDEHN and Celsion partnered to conduct a real-fire test at MPA Universität Stuttgart, exposing surge protection devices inside Celsion's CK30 fire protection housing to over 900°C for 33 minutes. The test confirmed that DEHN surge arresters combined with the Celsion CK30 housing remain fully functional under extreme fire conditions, meeting the requirements of the MLAR (Muster-Leitungsanlagen-Richtlinie) for safety-critical systems such as fire alarm systems and voice alarm systems.
Scale indicators2 records
Recent moves6 records
Expansion highlights6 records
DEHN SE Co.KG competitors and assessment
Company assessmentBroad incumbents
- ABB: Global broad-line electrical equipment and automation incumbent offering surge protection, power quality, and substation-level lightning protection as part of wider electrification and data-center solutions, often bundled with switchgear and transformers.
- Eaton: US-based power management company with a dedicated surge protection and power-quality division (including legacy Cutler-Hammer / Bussmann SPDs) that competes with DEHN in industrial, utility, and data-center applications.
- Legrand: Global electrical and digital building infrastructure incumbent with SPDs, UPS-adjacent protection, and wiring device portfolios competing with DEHN in residential, commercial, and data-center segments.
- Siemens: Global electrical engineering incumbent whose Smart Infrastructure division offers SPDs, lightning protection components, and power-quality solutions integrated into building, data-center, and grid portfolios competing with DEHN's project business.
- Schneider Electric: Global energy management and automation incumbent with surge protection, power monitoring, and data-center infrastructure offerings; competes with DEHN in data centers, healthcare, and energy distribution segments via bundled solutions.
- nVent Electric: Global electrical connection and protection solutions company (including ERIFLEX and nVent ERIFLEX brands) with surge protection, grounding, and enclosure thermal management offerings that overlap with DEHN's protection and earthing portfolio in industrial and infrastructure projects.
Direct peers
- Weidmüller: German specialist in industrial connectivity, electronics, and surge protection for cabinets and process applications; overlaps with DEHN's Yellow/Line data-line protection and Red/Line industrial SPD portfolios.
- Hager: German/European specialist in residential and commercial electrical installation equipment, including SPDs and protection concepts for buildings; comparable to DEHN's residential segment and SME channel approach.
- Phoenix Contact: German manufacturer of industrial electrical connectivity, automation, and surge protection devices; overlaps directly with DEHN's Red/Line and Yellow/Line SPD portfolios, especially in industrial automation, energy, and infrastructure applications.
- OBO Bettermann: German family-owned manufacturer of cable management, connection, and lightning/surge protection systems; the most direct head-to-head competitor to DEHN in European external lightning protection and SPD markets, with comparable channel and engineering-service model.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
DEHN SE Co.KG social profiles
Digital presenceDEHN SE Co.KG compliance and trust
Trust signalCompliance4 records
DEHN SE Co.KG financial estimates
Financial estimateRevenue estimate
Valuation estimate
DEHN SE Co.KG leadership team
Management profileNumber of profiles
Profiles3 records
DEHN SE Co.KG funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
DEHN SE Co.KG M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about DEHN SE Co.KG
What does DEHN SE Co.KG do?
DEHN manufactures and sells surge protection devices (SPDs), lightning protection systems, earthing/grounding solutions, and occupational electrical safety equipment (PPE, arc fault protection). The portfolio covers three main hardware lines — Red/Line for energy technology surge protection up to 1,000 V AC / 1,500 V DC, Yellow/Line for information technology surge protection, and external lightning protection/earthing components. Complementary offerings include DEHNplan 2.0 BIM planning software, engineering services, accredited testing at the DEHN Test Centre, and the DEHNacademy training platform.
Is DEHN SE Co.KG a public or private company?
DEHN SE Co.KG is a private company. It is classified as family owned and is currently operating.
When was DEHN SE Co.KG founded?
DEHN SE Co.KG was founded in 1910. It employs 1,001 to 5,000 people.
Where is DEHN SE Co.KG based?
DEHN SE Co.KG is headquartered in Neumarkt, Germany, in the Europe region.
How does DEHN SE Co.KG make money?
Two revenue lines are on record. Surge Protection Devices and Systems are the primary driver. The others are professional Services (Engineering, Testing, Training).
Who are DEHN SE Co.KG's main competitors?
Broad incumbents on record are ABB, Eaton, Legrand, Siemens, Schneider Electric and nVent Electric. Direct peers are Weidmüller, Hager, Phoenix Contact and OBO Bettermann.
Does DEHN SE Co.KG have an API?
No public API is recorded for DEHN SE Co.KG.
What industry is DEHN SE Co.KG in?
DEHN SE Co.KG's product category is Electrical Protection Equipment. Its primary akta.pro industry code is IMAGAEAB, Circuit Protection Devices (MCBs, MCCBs, ACBs, fuses, RCD/GFCI, surge protection), with a secondary code of IMAGAEAJ, Grounding, Bonding & Lightning Protection (grounding bars, clamps, earthing systems, lightning arrestors). Its NAICS code is 33531 and its SIC code is 3600.