

Arndt Automatic GmbH
About us
Arndt Automatic GmbH, based in Gräfelfing near Munich, is your expert partner for automation, drive and electrical engineering — both as a distributor of high-quality components and as a reliable manufacturer and service provider in electronics and device construction.
For more than five decades, Arndt Automatic GmbH has stood for competence, reliability and innovation in automation and electronic engineering. The family-run company combines technical excellence with personal customer service and tailor-made solutions for industry and mechanical engineering. Since its foundation in 1966, Arndt Automatic has continuously developed and is now one of the most powerful medium-sized specialists in the industry.
Experience that builds trust:
What sets Arndt Automatic apart is its unique combination of many years of experience, technical expertise, and a high degree of vertical integration. The company has been family-owned since 1985—a clear advantage for customers who value continuity, long-term partnerships, and quick decision-making. This philosophy is reflected in close cooperation with customers, short response times, and solutions that are precisely tailored to individual requirements.
Broad portfolio. Everything from a single source:
Arndt Automatic offers a comprehensive range of products for electrical, control, and automation technology. These include controllers, frequency converters, HMI systems, sensor technology, safety and switching technology, relays, power supplies, and communication and gateway solutions. Customers benefit from a carefully selected range of products from renowned manufacturers, which includes both standard products and specialized components for demanding applications.
As an established distributor, Arndt Automatic has been a reliable partner for high-quality components for many years. The company is one of the leading suppliers in Germany, particularly in the area of Crouzet and Sensata Technologies products. A well-structured warehouse enables high availability and short delivery times—a decisive advantage in time-critical projects.
In-house production. Flexible, precise, reliable:
A key factor in Arndt Automatic's success is its in-house electronics and assembly production. From PCB assembly and cable manufacturing to the assembly of complete devices and control cabinets, the company offers a high level of vertical integration. Modern production facilities, continuous investment in new technologies, and qualified specialists guarantee consistently high quality from prototype to series production. Customers particularly appreciate the flexibility: whether small series, custom-made products, or complex assemblies, Arndt Automatic implements projects efficiently and reliably.
Tailor-made solutions instead of standard answers:
Arndt Automatic sees itself not only as a supplier, but also as a technical solution provider. Right from the development phase, the company supports its customers with consulting, engineering services, prototype construction, and hardware and software development. The programming of control systems is also part of the range of services. The goal: solutions that are technically convincing, economically viable, and can be seamlessly integrated into existing systems.
Quality and service as a brand promise:
High quality standards are firmly anchored in the corporate culture. Arndt Automatic has been DIN ISO 9001 certified since 2011 and focuses on structured processes, continuous improvement, and maximum reliability. At the same time, personal service is a top priority: dedicated contact persons, fast communication, and practical advice ensure a cooperative partnership on equal terms.
Future-proof and customer-oriented:
With a clear focus on quality, innovation, and customer benefits, Arndt Automatic is ideally positioned to meet the challenges of the future. The company combines the proven values of a family business with modern technology and a keen understanding of the market. For customers, this means reliable products, customized solutions, and a partner who thinks ahead.
Arndt Automatic: Technology that connects. Solutions that work.
Products & services

Yaskawa 300S+
With the 300S+ control platform, Yaskawa offers a powerful yet flexible solution for modern industrial applications. Technical highlights at a glance: ▪️ Mixed operation of VIPA 300S+ and Siemens modules possible ▪️ Programmable with WinPLC7, STEP7, or Siemens TIA ▪️ On-board Ethernet, PROFIBUS-DP, serial RS485, and MPI interfaces ▪️ Optional: Profinet, CANopen, Interbus, Serial, Modbus RTU, Modbus over TCP, UDP, RFC1006 ▪️ SPEED7 technology ▪️ S7-300 compatibility ▪️ Scalable system architecture ▪️ Long-term availability The 300S+ is particularly well-suited for applications in mechanical and plant engineering where high computing power must be combined with existing infrastructure.

PCE Merz Cam Switch
PCE Merz cam switches feature a well-designed, robust construction and are highly user-friendly. Depending on the switching program, switching chambers with single, double, or triple double-break current paths are available. Precise contact guidance, reliable contact springs, and a flexibly combinable latching mechanism ensure reliable switching positions. A child-safe design, captive connection screws, and a clearly structured connection chamber with wire end stops guarantee simple, safe installation and maximum operational reliability.

Teltonika RUTC50
Teltonika Networks’ new RUTC50 5G router takes reliable, high-performance communication to a whole new level. With 5G speeds of up to 3.4 Gbps, Wi-Fi 6, and dual-SIM with automatic failover, the router is ideal for demanding IoT and industrial applications. It also impresses with high performance, low latency, flexible deployment options thanks to eSIM and dual-SIM, and a robust security architecture.

Sensata GTM400
The GTM400 was specifically designed for demanding high-voltage applications and combines proven sealing technologies from the aerospace industry and high-performance industrial applications. Thanks to innovative Glass-to-Metal Seal (GTMS) technology, the contactor is highly reliable and durable even under extreme conditions. Key features at a glance: 𝗟𝗲𝗶𝘀𝘁𝘂𝗻𝗴 ▫️ Up to 1500 Vdc / 400 A ▫️ Fully bidirectional switching ▫️ Outstanding breaking capacity for maximum operational reliability 𝗦𝗶𝗰𝗵𝗲𝗿𝗵𝗲𝗶𝘁 ▫️ Hermetically sealed ▫️ High short-circuit resistance 𝗘𝗳𝗳𝗶𝘇𝗶𝗲𝗻𝘇 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 ▫️ Highly efficient DC dual coils for low energy consumption ▫️ Flexible mounting (vertical or lateral) ▫️ Optional AUX switch (NO / NC) ▫️ Custom cable and harness solutions available

OMRON S8AS
Increasing automation, electrification, and digitalization are leading to ever more complex control cabinets with more devices, more wiring, and greater engineering effort. The OMRON S8AS reimagines this challenge. The innovative all-in-one power supply system combines a power supply unit, circuit protector (CP), and terminal blocks in a single compact module. This significantly reduces planning, installation, and maintenance efforts, from design through to service. Your benefits at a glance: ▫️ Reliable power supply with integrated short-circuit and overcurrent protection ▫️ Digital real-time display of voltage, current, temperature, and maintenance status ▫️ Compact design for space-saving and structured control cabinet layouts The S8AS simplifies processes in design, procurement, cabling, and maintenance and has already proven itself in the demanding environment of the automotive industry.

The New Millennium by Crouzet
"Make it simple, 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗶𝗹𝗹𝗲𝗻𝗶𝘂𝗺!" With over 20 years of automation experience from the Millenium 3 series, Crouzet presents the 𝗡𝗲𝘂𝗲 𝗠𝗶𝗹𝗹𝗲𝗻𝗶𝘂𝗺 – a compact, versatile, and communication-enabled logic controller that makes small automation projects easier and smarter.

Distribution
High-quality goods from quality manufacturers Do you need electrical, drive or automation technology products? Would you like an experienced business partner you can trust? Are you interested in products from a specific manufacturer? Arndt Automatic GmbH is a distribution partner of well-known manufacturers. Above you will find further information about the individual manufacturers and their high-quality products.

Manufacturing
From prototype to final product At Arndt Automatic GmbH we develop products according to your requirements. After a personal meeting in which we discuss your requirements, we take over all tasks for the construction of a prototype. This includes, for example, the development of layouts, circuits, hardware or software as well as reverse engineering. We program application software and work with you to develop programs for your PLC control or small control system.
