K. A. Schmersal

What K. A. Schmersal does

K.A. Schmersal GmbH & Co. KG is a family-owned German Mittelstand company headquartered in Wuppertal that develops and manufactures systems and solutions for machine safety and occupational safety. Its offering covers five core product ranges: safe switching and detection (safety switches with separate actuators, safety latches, electronic and magnetic safety sensors), safe signal processing (PROTECT PSC1 and PROTECT SELECT safety controllers, multifunctional SRB relay modules, SRB-EXi for explosive atmospheres), automation technology (safety light curtains, light grids, light barriers, emergency stops, rope-pull switches, foot switches), system solutions for Industry 4.0 (IO-Link Safety, Digital Twin / 4D models, Safety Fieldbox, SD-Interface, AS-Interface Safety at Work, Safety Installation Systems), and ATEX-certified EX-switching devices for hazardous areas. Schmersal markets itself as offering the world's largest program of safety switches and safety systems.

The company operates eight wholly-owned production facilities in Germany (Wuppertal, Wettenberg, Mühldorf, Bergisch Gladbach), Brazil (Boituva), China (Shanghai), India (Ranjangaon), and the USA (Indianapolis), with country-level sales entities and distributors across more than twenty countries in Europe, the Americas, Asia, and MENA/LATAM. Revenue is generated through direct hardware sales via a global field-sales network, a 24/7 webshop (products.schmersal.com), and country-specific distributors, supplemented by manufacturer-neutral safety consulting, training, and lean-production services delivered through the wholly-owned tec.nicum division.

Schmersal serves at least 17 industrial verticals — machine engineering, automotive, semiconductor, food & beverage, pharma, intralogistics, robotics, elevator technology, airports, packaging, wood, plastics & rubber, renewable energy, tire, textile, machine tools, and heavy industry — with safety regulation compliance (EU Machinery Directive, ATEX 2014/34/EU) as the unifying demand driver. The company is privately held by the founding family, has received Best Managed Companies Gold status for the fourth time in 2026, and was ranked 4th among Best Employers in Manufacturing & Industry in Germany and 6th in NRW by Great Place to Work in 2026.

Name

K. A. Schmersal

Legal name

K.A. Schmersal GmbH & Co. KG

Website

https://schmersal.de

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

K.A. Schmersal is a family-owned German industrial-safety company that designs and manufactures the world's largest program of safety switches, sensors, controllers, and ATEX-certified explosion-protected devices for machine builders across 17+ industrial verticals worldwide.

Ownership category

akta.pro rank

Product category

Industrial Machine Safety Equipment

NAICS

Relay and Industrial Control Manufacturing (335314), Switchgear and Switchboard Apparatus Manufacturing (335313)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Switchgear & Switchboard Apparatus (3613)

akta.pro primary industry

Safety Instrumented Systems & Machine Safety Control (SIS, Safety PLCs, Relays) (IMAGABAF)

akta.pro secondary industry

Process Safety & Major Hazard Risk Management (PSM) (BPAHAJAE)

Keywords

• Machine safety equipment
• Industrial safety switches
• Explosion protection systems
• Safety relay modules
• Optoelectronic safety devices

Headquarters

HQ city

Wuppertal

HQ country

Germany

HQ region

Europe

Offices8 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Safety Hardware Components: Sale of safety switches, safety sensors, safety light curtains, safety relay modules, safety controls, command and signaling devices, and explosion protection equipment. Products are sold directly through web shop and field sales network.
2. Safety Software Solutions: Software-based safety solutions including safety controls (PROTECT PSC1, PROTECT SELECT) and digital twin offerings for Industry 4.0 applications.
3. tec.nicum Safety Services: Manufacturer-neutral safety consulting services, including safety services, lean production consulting, and webinars, provided through their business division tec.nicum.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

K.A. Schmersal develops and manufactures systems and solutions for machine safety and occupational safety, including safety switches with separate actuators, safety latching devices, electronic and magnetic safety sensors, safety relay modules (SRB), safety compact controllers (PROTECT PSC1, PROTECT SELECT), optoelectronic safety devices (light curtains, light grids, light barriers), emergency stop and rope-pull switches, ATEX-certified explosion-protected switching devices, and Industry 4.0 system solutions such as IO-Link Safety, Digital Twin and Safety Fieldbox. The company also delivers manufacturer-neutral safety consulting, training and lean production services through its tec.nicum division.

Product overview

K.A. Schmersal is a system and solution provider for machine safety and occupational safety, offering the world's largest program of safety switches and safety systems. The product portfolio is organized into five core product ranges: (1) Safe Switching and Detection (safety switches with separate actuators, safety latches, door handle actuators, position switches, hinge safety switches, electronic and magnetic safety sensors), (2) Safe Signal Processing (PROTECT PSC1 and PROTECT SELECT safety controllers, multifunctional SRB safety relay modules, SRB-EXi for explosive atmospheres, output/input extensions, safe standstill monitors, safety time relays), (3) Automation Technology (safety light curtains, light grids, light barriers, emergency stop buttons, rope pull switches, foot switches), (4) System Solutions for Industry 4.0 (IO-Link Safety, Digital Twin/4D models, Safety Fieldbox, SD-Interface, AS-Interface Safety at Work, Safety Installation Systems), and (5) Ex-Switching Devices (ATEX-compliant explosion-protected equipment). The company also offers tec.nicum safety services including manufacturer-neutral safety consulting. Recent product launches include IO-Link Safety, Digital Twin technology, BDF 40 operator panels, DHS door handle systems, new SD-Gateway variants, AZ215/216 and AZ315/316 compact safety switches, Safety Fieldbox for additional fieldbus systems, explosion-proof SLC/SLG440 light curtains, AM-T100 ToF cameras, and the H-Program hygienic command devices.

Differentiator

Problem solved

Functional benefit

Brands

• tec.nicum: Safety services division offering comprehensive safety consulting and services, including manufacturer-neutral safety consulting

Products and services

• Safety Switches with Separate Actuator (Sicherheitsschalter mit getrenntem Betätiger) Safety switches with separate actuators used for protective door monitoring in industrial machinery, forming part of Schmersal's core machine safety portfolio.
• Safety Latches (Sicherheitszuhaltung) Safety latches that lock protective doors until machinery comes to a safe stop, used to prevent unauthorized or premature access to hazardous machine areas.
• PROTECT PSC1 Safety Compact Controller Safety compact controller for monitoring and controlling safety functions in machines and systems, providing flexible and programmable safety logic.
• PROTECT SELECT Safety Compact Control Safety compact control system providing flexible safety controller functionality for various machine safety applications.
• Multifunctional Safety Relay Modules (SRB) Multifunctional safety relay modules for evaluating safety signals and controlling safety functions in industrial machinery.
• Safety Relay Modules SRB-EXi (ATEX) Safety relay modules designed for use in potentially explosive atmospheres under ATEX applications.
• Safety Light Curtains (Sicherheits-Lichtvorhänge) Safety light curtains for body protection at hazardous machine access points, including new EX variants for hazardous areas.
• Safety Light Grids (Sicherheits-Lichtgitter) Safety light grids for finger and hand protection in industrial applications.
• Safety Light Barriers (Sicherheits-Lichtschranken) Safety light barriers for non-contact protection of hazardous areas and access points.
• Emergency Stop Buttons (Not-Halt-Taster) Emergency stop buttons for immediate machine shutdown in emergency situations.
• Rope Pull Emergency Stops (Seilzug-Notschalter) Rope pull emergency stops enabling emergency shutdown from any point along conveyor lines.
• Electronic Safety Sensors Electronic safety sensors for non-contact position monitoring and safety functions on protective doors and guards.
• Magnetic Safety Sensors Magnetic safety sensors for door and position monitoring in safety applications.
• AS-Interface Safety at Work Safety networking system using AS-Interface bus for safety-related communication in industrial automation.
• SD-Interface (Safety Device Interface) Safety device interface for connecting safety components to control systems, with new SD-Gateway variants for fieldbus connectivity.
• Safety Fieldbox Fieldbox gateway enabling safety components to connect to various fieldbus systems for expanded connectivity options and reduced wiring complexity.
• Safety Installation Systems Complete safety installation systems for streamlined safety wiring and commissioning of machinery.
• IO-Link Safety Smart factory safety solution enabling digital communication of safety devices via the IO-Link protocol for Industry 4.0 applications.
• Digital Twin (Digitaler Zwilling) 4D digital twin models for virtual machine planning and Industry 4.0 applications.
• EX-Switching Devices (Ex-Schaltgeräte) Explosion-protected switching devices compliant with European ATEX Directive 2014/34/EU for use in hazardous areas.
• tec.nicum Safety Services Manufacturer-neutral safety consulting services including risk assessment, safety concept development, compliance support, training, lean production consulting, and webinars, offered through Schmersal's tec.nicum business division.
• H-Programm Hygienic Command and Signal Devices Hygienic-grade command and signal devices designed for food processing, beverage and pharmaceutical industry applications.
• BDF 40 / BDF 20 Operator Panel Operator panel for machine control and human-machine interface with safety system integration.
• DHS Door Handle System Door handle system designed for ergonomic and safe operation of protective guards on machinery.
• AZ215/AZ216 and AZ315/AZ316 Safety Switches Compact and flexible safety switches for protective door monitoring in industrial machinery.
• EX-SLC/SLG440 Safety Light Curtains and Grids (Ex Version) Safety light curtains and grids in explosion-proof (Ex) execution for hazardous-area machine protection.
• AM-T100 Time-of-Flight Camera Time-of-Flight camera for industrial automation technology applications such as area monitoring and object detection.
• SD-Gateway Fieldbus Gateway (New Variant) New variant of the SD gateway enabling fieldbus connectivity for safety devices and components.

Segments17 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

One partnership is on record.

• tec.nicumcoreOtherstec.nicum is Schmersal's own business division providing comprehensive safety services including manufacturer-neutral safety consulting, training, and lean production consulting. It operates the tec.nicum academy for professional education.

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Sick AG: German sensor manufacturer with a major machine safety division including safety light curtains, laser scanners, and safety controllers. Directly overlaps with Schmersal's optoelectronic safety devices and sensor portfolios.
• Banner Engineering: US-based industrial safety specialist with strong presence in safety light curtains, safety controllers, and machine safeguarding. Direct competitor in optoelectronic safety and a US-market peer for Schmersal.
• Pilz GmbH & Co. KG: German family-owned safety automation specialist offering safety relays (PNOZ), safety controllers (PSS 4000), sensors, and consulting services. Closely comparable in product portfolio, customer base (machine builders), and Mittelstand heritage.
• Euchner GmbH + Co. KG: German family-owned safety switch and interlock specialist. Direct head-to-head competitor in safety switches with separate actuators, solenoid interlocks, and safety relays — same Mittelstand profile and customer verticals.

Broad incumbents

• ABB Ltd. Swiss-Swedish automation major with safety PLCs, safety relays, and machine safeguarding products. Comparable as a broad incumbent in safety-relevant automation rather than a specialist.
• Siemens AG: Global automation leader offering SIRIUS safety relays and SIMATIC safety controllers. Competes via deeply integrated safety-in-automation platforms rather than standalone safety components.
• Rockwell Automation: US-based industrial automation incumbent whose Allen-Bradley Guardmaster line competes directly with Schmersal's safety controllers and I/O. Offers integrated safety within a full controls and software platform.
• Eaton Corporation: US electrical equipment giant whose safety switches, e-stops, and safety relays overlap with Schmersal's switch portfolio. Bundled into broader power management offerings.
• Omron Corporation: Japanese automation conglomerate offering safety controllers, safety sensors, and safety relays alongside broader PLC, vision, and component portfolios. Competes in safety but as part of a much wider automation stack.
• Phoenix Contact GmbH: German industrial connectivity and automation supplier with safety relays and safety I/O modules. Adjacent competitor with overlapping functional safety and industrial communication capabilities.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/c/schmersal
• Facebookfacebook.com/kaschmersal
• LinkedInlinkedin.com/company/k.-a.-schmersal
• Instagraminstagram.com/schmersal.group

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries9 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 K. A. Schmersal