What Hummel does

HUMMEL AG is a privately held German Aktiengesellschaft headquartered in Denzlingen, Germany, manufacturing electrotechnical connection technology across three product divisions: Kabelverschraubungen (cable glands), Rundsteckverbinder (industrial circular connectors), and Haustechnik (building technology for heating and drinking water systems). The firm operates a multi-decade German Mittelstand model founded in 1948, with headcount in the 501-1,000 range and a worldwide footprint including a USA regional sales office.

Its core products span cable glands with specialized variants for explosion protection (Ex/ATEX), electromagnetic compatibility (EMV), lead-free compliance, and premium HSK series; industrial circular connectors in M12, M16, M23, and M40 sizes with proprietary hybrid inserts combining power, signal, and Ethernet in a single connector (One-Cable-Technology); TWILOCK/TWILOCK-S quick-release mechanisms; and chromium-plating corrosion protection treated as a cost-effective alternative to stainless steel. Building-technology offerings include 28 MKV-K clamping fitting sets covering 70+ pipe types, complemented by the MKV-Finder mobile/PC product-selection app.

The business model is B2B sales-led, with revenue generated through direct industrial sales to OEMs (including named customers such as igus, VEGA, Mennekes, Schaller Automation, and Nord Drivesystems) and distribution via reseller/partner networks reaching mid-market machine builders and electrical contractors. Pricing is not publicly disclosed but follows standard B2B industrial-component practice (quote-based and distributor-set). Customers are predominantly German and European industrial automation, machine building, and HVAC/sanitary trade segments, with regulatory certifications (UBA-konform, ÜA, ATEX/Ex) anchoring the firm in compliance-driven specifications. No funding, acquisition, or public-company signals are present; ownership structure remains undisclosed.

Name

Hummel

Legal name

HUMMEL AG

Website

https://hummel.com

Company type

Private

Founded year

1948

Operating status

Operating

Headcount range

501–1,000 employees

Short description

HUMMEL AG is a German manufacturer of electrotechnical connection technology, producing cable glands, industrial circular connectors (M12-M40, including hybrid variants), and building-technology fittings for heating and drinking water systems, serving industrial automation OEMs, machine builders, and HVAC/sanitary trade customers across Europe, the USA, and select international markets.

Ownership category

akta.pro rank

Product category

Industrial Connection Technology

NAICS

Current-Carrying Wiring Device Manufacturing (335931), Wiring Device Manufacturing (33593)

SIC

Electrical Industrial Apparatus (3620), Electronic Connectors (3678)

akta.pro primary industry

Cable Glands, Sealing & Strain-Relief (glands, grommets, seals, cord grips, strain relief) (IMAGAEAI)

akta.pro secondary industry

Cable Accessories & Terminations (Lugs/Glands/Heat-Shrink/Splices) (IMADAMAL)

Keywords

• Industrial cable glands
• Circular connectors
• Building technology fittings
• Explosion protection glands
• Heating drinking water connections

Headquarters

HQ city

Denzlingen

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

HUMMEL AG manufactures and sells industrial cable glands and circular connectors for electrical installations and automation, plus building technology (Haustechnik) connection solutions for heating and drinking water systems. Cable gland variants include Ex (explosion protection), EMV (EMC), lead-free, plastic, and metal materials. Circular connectors span M12, M16, M23, and M40 sizes with hybrid (power/signal/Ethernet) and quick-release TWILOCK options. Building technology offerings include MKV-K clamping fitting sets covering 70+ pipe types and radiator connections for renovations.

Product overview

Hummel AG is a German manufacturer of connection technology organized into three core product divisions: Kabelverschraubungen (cable glands), Rundsteckverbinder (circular connectors), and Haustechnik (building technology for heating and drinking water systems). The cable gland portfolio includes the Premiumserie HSK, specialized Ex (explosion protection), EMC, lead-free, plastic, and metal variants. The circular connector line features M12, M16 (including award-winning angle variant), M23 (signal, power, and hybrid), and M40 (power and hybrid) sizes with quick-release TWILOCK options. Building technology products include drinking water solutions, MKV-K clamping fitting sets (28 variants covering 70+ pipe types) with the MKV-Finder mobile app, radiator connections, and general connection technology. The company operates internationally with "Smart & Reliable Connections" as its tagline.

Differentiator

Problem solved

Functional benefit

Products and services

• Kabelverschraubungen (Cable Glands) Cable glands for cable entry and sealing in electrical installations, including variants for Ex (explosion protection), EMC (electromagnetic compatibility), lead-free, plastic, and metal materials. Sold to industrial customers and machine builders.
• Premiumserie HSK Cable Glands Premium line of cable glands with enhanced quality and durability for demanding industrial applications.
• Ex Kabelverschraubungen (Explosion-Proof Cable Glands) Explosion-protected cable glands for use in hazardous areas, with EPL, equipment group, and equipment category certifications for ATEX applications.
• EMV Kabelverschraubung (EMC Cable Gland) EMC-shielded cable glands that protect electrical installations against electromagnetic interference.
• Bleifreie Kabelverschraubungen (Lead-Free Cable Glands) Environmentally compliant cable glands manufactured without lead content.
• Kunststoffkabelverschraubungen (Plastic Cable Glands) Cable glands manufactured from plastic materials for lighter-weight or corrosive-environment applications.
• Metallkabelverschraubungen (Metal Cable Glands) Cable glands manufactured from metal materials for demanding industrial applications.
• Rundsteckverbinder (Circular Connectors) Industrial circular connectors for electrical and data connections in automation applications, including M12, M16, M23, and M40 sizes with hybrid, quick-release, and twisted-pair options.
• M12 Power Circular Connector M12-size circular connector for power transmission in automation and industrial applications.
• M16 Circular Connector M16-size circular connector for industrial automation, including an angle (Winkelsteckverbinder) variant recognized as Product of the Year 2026.
• M16 Winkelsteckverbinder (M16 Angle Connector) M16 angle connector variant for industrial automation, recognized as Product of the Year 2026 for innovative circular connector design.
• M23 Signal Circular Connector M23-size circular connector for signal transmission in automation applications.
• M23 Power (M23 Leistung) Circular Connector M23-size circular connector for power transmission in automation applications.
• M23 Hybrid Circular Connector M23-size hybrid connector that combines power, signal, and/or data in a single connector body.
• M40 Power Circular Connector M40-size circular connector for high-power transmission in industrial applications.
• M40 Hybrid Circular Connector M40-size hybrid connector that combines power (4+PE contacts), signal (4+2 contacts), and Ethernet (2 contacts) in a single compact connector, replacing three separate connectors.
• Haustechnik (Building Technology) Solutions for heating and drinking water systems including connection technology, pipe fittings, and installation accessories for building services applications.
• Trinkwasser (Drinking Water) Fittings Fittings and connection solutions for drinking water installations, including UBA-konform and ÜA certified products.
• Klemmverschraubungen MKV-K Sets (MKV-K Clamping Fitting Sets) Clamping fittings for metal composite and plastic pipes, designed for renovation. Each set contains 10 fittings plus calibration tool, with nickel-plated brass, EPDM seals, and PA clamping rings.
• Heizkörperanschlüsse (Radiator Connections) Connection solutions for radiator and heating system installations.
• MKV-Finder App Mobile product finder app (iOS/Android/PC) that helps plumbers and technicians identify the correct MKV clamping fittings based on pipe measurements.

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Viega: Viega is a leading German manufacturer of plumbing and heating installation systems including press fittings, compression fittings, and pipe connection technology. It is the closest peer for Hummel's Haustechnik segment (MKV-K, drinking water, radiator connections) in terms of product type and installer channel.
• Jacob GmbH: Jacob is a specialized German cable gland manufacturer offering plastic, metal, brass, and stainless steel glands including EMC and Ex variants. It competes head-to-head with Hummel's HSK Premium, EXIOS, and VariaPro lines in the same German Mittelstand customer base.
• Lapp Group: Lapp is a leading global manufacturer of cable glands, connectors, and cable accessories (ÖLFLEX, SKINTOP, EPIC). It is Hummel's closest direct competitor in cable glands and circular connectors, serving industrial automation, machinery, and OEM customers with a similar product portfolio.
• Binder (Franz Binder GmbH + Co.): Binder is a German specialist in circular connectors with M16, M23, and M40 product lines that directly overlap Hummel's circular connector portfolio. It serves similar industrial automation and medical customers and is a close comparable in scale and product focus.
• WISKA (Hoppmann & Wortmann GmbH): WISKA is a German manufacturer of cable glands, junction boxes, and lighting for industrial and marine applications. It competes directly with Hummel in cable glands and ex-protected variants, serving similar machine building, shipbuilding, and hazardous-area customers.
• Pflitsch: Pflitsch is a German manufacturer of industrial cable glands and cable entries with a strong focus on EMC and Ex applications. It is highly comparable to Hummel in technical positioning and target customers, particularly in explosion-protected and EMC-shielded gland variants.

Broad incumbents

• Uponor: Uponor is a larger European provider of plumbing, heating, and cooling solutions including PEX pipe systems and compression fittings. It competes with Hummel's Haustechnik segment in renovation and heating installations, particularly across DACH and Nordic markets, though at significantly greater scale.
• Harting: Harting is a major German manufacturer of industrial connectors (including Han and M-series circular connectors) and a direct competitor in M12/M23/M40 circular connectors for industrial automation. It is much larger and globally diversified but overlaps directly with Hummel's circular connector line.
• Phoenix Contact: Phoenix Contact is one of the largest industrial connection technology manufacturers globally, offering circular connectors, terminal blocks, and cabling solutions. It competes with Hummel in M12/M23 circular connectors and hybrid I/O but operates at much greater scale across a broader portfolio.
• Weidmüller: Weidmüller is a large German industrial connectivity specialist offering circular connectors, terminal blocks, and cabling solutions for automation. It overlaps with Hummel in industrial circular connectors and cable glands, but at significantly greater scale and broader portfolio depth.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

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 Hummel