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Whether it is motor protection or wind sensors, voltage monitors or oil level regulators at KRIWAN, you will find the ideal solution to virtually any problem. Discover our product ranges and find the right product to suit your requirements. We will be happy to help you with this.
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KRIWAN Holding
The leading head of KRIWAN

The parent company, KRIWAN Holding, proudly steering the destinies of our subsidiaries: KRIWAN Industrie-Elektronik GmbH with all worldwide locations, the KRIWAN Testzentrum GmbH, and Birkholz Elektronische Geräte GmbH. The guiding force coordinates the innovation and technical expertise of these companies, each holding leading positions in their respective market segments.
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We know that a company can only be as good as each individual employee. Which is why we place great importance on optimal training and ongoing vocational development, as well as a working atmosphere where ideas blossom.
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Blog

Differential pressure switches: basics, functionality and applications

HVAC/R, Products, Wiki

Differential pressure switches: basics, functionality and applications

HVAC/R, Products, Wiki

The essential role of wind measurement in wind energy usage

Renewable energy, Products, Wiki

Here, we take you on a journey through our company. Explore not only the latest corporate news but also gain fascinating insights behind the scenes. Immerse yourself in our success stories, where we've achieved milestones together with customers.

Our blog is not just a platform for current updates but also a source of information on topics relevant to our industries. Interested in the latest product developments? You're in the right place for that too.

With exciting stories, informative articles, and a glimpse into the future, we shape the world of KRIWAN together with you here.

Differential pressure switches: basics, functionality and applications

HVAC/R, Products, Wiki

Differential pressure switches: basics, functionality and applications

Differential pressure switches play an essential role in various technical applications as they can measure the finest pressure differences. Their functional principle is based on pressure measurement between two points and they are used in areas such as industrial process monitoring, the automotive industry and medical technology. Their versatility is demonstrated in the monitoring of air flows, filters and fluids.

Differential pressure switches: basics, functionality and applications

Products, Water and wastewater industry

Differential pressure switches: basics, functionality and applications

Differential pressure switches play an essential role in various technical applications as they can measure the finest pressure differences. Their functional principle is based on pressure measurement between two points and they are used in areas such as industrial process monitoring, the automotive industry and medical technology. Their versatility is demonstrated in the monitoring of air flows, filters and fluids.

Protection in potentially explosive environments: Measures and requirements

Products, Wiki

Protection in potentially explosive environments: Measures and requirements

Potentially explosive environments are working environments with flammable gases, vapors or dusts that can be mixed with air to form explosive atmospheres. Special features are the potential risk of explosion from ignition sources and the need for special protective measures. Electronic equipment must meet strict requirements and there are various regulations such as ATEX and NEC. KRIWAN offers ATEX-certified solutions for potentially explosive environments, including sensors and motor protection relays.

The essential role of wind measurement in wind energy usage

Renewable energy, Products, Wiki

The essential role of wind measurement in wind energy usage

Anemometers play a crucial role in measuring wind speed, from safety and efficiency in the wind energy industry to accurate weather forecasting and research. Especially in construction and aviation, accurate wind measurements are essential to minimize potential hazards and ensure safety.

Focus on cooling systems: efficient cooling, sustainable solutions

HVAC/R, Products, Wiki

Focus on cooling systems: efficient cooling, sustainable solutions

Cooling systems are indispensable in our technologized world. KRIWAN offers innovative solutions for efficiency and safety by developing customized products such as motor protection, level monitoring and voltage monitors. With a clear focus on quality and reliability, they set new standards for refrigeration technology and help to ensure that refrigeration systems function optimally worldwide.

Selective soldering: The precise solution for electronic assemblies

Wiki, Company

Selective soldering: The precise solution for electronic assemblies

Selective soldering is a precise and efficient method of connecting components on printed circuit boards without the use of solder masks. It protects sensitive components from heat and offers flexibility for various manufacturing requirements. As an expert in this field, KRIWAN Industrie-Elektronik offers customized solutions for high-quality electronic assemblies.

Natural refrigerants: the sustainable future of refrigeration technology

HVAC/R, Wiki

Natural refrigerants: the sustainable future of refrigeration technology

At a time when the focus is on sustainable and environmentally friendly solutions, natural refrigerants are increasingly taking center stage in refrigeration technology. These substances not only offer an environmentally friendly alternative to conventional refrigerants, but also help to minimize the ecological footprint of cooling systems and air conditioning systems.

Oil level regulation and level measurement: The key to optimizing industrial systems

Wiki, Products

Oil level regulation and level measurement: The key to optimizing industrial systems

Precise measurement and regulation of the oil level are crucial for the efficiency and safety of industrial systems. Innovative solutions such as the INT280 from KRIWAN optimize this process through adaptive oil replenishment and precise level measurement.

Innovative Project Meeting Paves the Way for Forward-Thinking Partnership

News

Innovative Project Meeting Paves the Way for Forward-Thinking Partnership

In the realm of technological innovations, there are moments that herald the beginning of a new era. Such a turning point was recently achieved with the successful project meeting on February 6, 2024, where groundbreaking steps were taken towards a pioneering collaboration between the teams.

The world of temperature sensors: NTC and PTC thermistors at the focus

Products

The world of temperature sensors: NTC and PTC thermistors at the focus

In a world where precision and efficiency are becoming increasingly important, temperature sensors play a crucial role in a variety of applications. Whether it's controlling the temperature of a room, ensuring the safety of electronic devices or monitoring complex industrial processes, the right choice of temperature sensor is crucial.

Air flow monitoring for exhaust air systems

Building management systems, Products

Air flow monitoring for exhaust air systems

In many buildings, exhaust air systems ensure a significant reduction in harmful pollutants (in the air) and energy savings through heat/cold recovery systems. The effectiveness of the exhaust air system is determined by minimum air flows. Monitoring this parameter is therefore particularly important.

All About Current Transformers: Their Function, Applications, and Types

Wiki, Products

All About Current Transformers: Their Function, Applications, and Types

Current transformers are indispensable components in electrical systems, covering a wide range of applications and use cases. In this blog post, we take an in-depth look at their function, usage, typical deployment areas, key considerations in their selection, and the various types available on the market.

Safety and Efficiency: KRIWAN's Protection Sensors for Next-Gen Refrigerants

HVAC/R, Wiki

Safety and Efficiency: KRIWAN's Protection Sensors for Next-Gen Refrigerants

In the rapidly evolving landscape of refrigeration and cooling systems, the shift towards environmentally friendly solutions has never been more critical. With the increasing focus on sustainability and regulatory compliance, the demand for natural refrigerants is on the rise. But what exactly are natural refrigerants, and how do they impact the realm of electronics and compressor systems?

Precise settings: Motor protection switches and motor protection relays from KRIWAN.

Products

Precise settings: Motor protection switches and motor protection relays from KRIWAN.

When it comes to the safety and performance of your electrical systems and motors, KRIWAN's motor protection switches and motor protection relays are the reliable choice. At KRIWAN, we take pride in offering high-quality protection solutions that safeguard your investments and extend the lifespan of your equipment.

The Role of Calorimetry in Airflow Measurement

Wiki

The Role of Calorimetry in Airflow Measurement

Air flow sensors play a crucial role in various applications, whether in heating, ventilation and air conditioning (HVAC) technology or in the automotive industry. An important measuring principle used in air flow sensors is the calorimetric principle.

The functioning of the motor full protection in detail:

Wiki

The functioning of the motor full protection in detail:

KRIWAN's Motor Full Protection is the advanced solution to maximize the performance of your motors while simultaneously safeguarding them against potential damage. Here, we take a closer look at the features and the unique functionality of our Motor Full Protection system.

Previously unimaginable - now reality

News

Previously unimaginable - now reality

Hubert Frenzl - the "inventor pope of Lower Bavaria" - was a role model for many as an innovator, teacher and mentor. His success story is an impressive example of how people can initiate a rethink in society through personal commitment, passion and creativity. In the course of the filming, our Managing Director, Dr. Christian Ellwein, agreed to be interviewed. His school days and later professional career were shaped by the extraordinary teaching approach of his former teacher.

Start of series production of the INT69® PYF Diagnostics PREMIUM

News, Products, Water and wastewater industry

Start of series production of the INT69® PYF Diagnostics PREMIUM

The start of series production of the PREMIUM pump protection device INT69® PYF Diagnose from KRIWAN Industrie-Elektronik GmbH with power measurement and integrated Modbus RTU interface has begun. The perfect connection between pump, protection and the digital world.

Öhringen's Hoffnungshäuser come to life

Kriwan Foundation, News

Öhringen's Hoffnungshäuser come to life

The Hoffnungsträger Foundation has built three Hoffnungshäuser in Öhringen with a total of 19 residential units. This is an integrated housing concept in which migrants and locals live together. The community plays a central role here, and the first apartments are being occupied now.

Successful completion of the first Ingelfinger trainee program

Kriwan Foundation, News

Successful completion of the first Ingelfinger trainee program

In July 2022, several volunteers began their service as youth workers / deacons of the Evangelical Church in Württemberg in the parish of Ingelfingen. Their tasks were based on the job advertisement, which provided for the expansion and strengthening of the youth work through a TRAINEE program (TP). The goals of the trainee program were to develop the gifts and personalities of participants 14 years and older of all faiths in the middle Kochertal.

The new IT equipment is proudly handed over to the Gewerbliche Schule Künzelsau

Kriwan Foundation, News

The new IT equipment is proudly handed over to the Gewerbliche Schule Künzelsau

The Friedrich Kriwan Foundation, together with the "Innovationsregion Hohenlohe", is sponsoring the new IT equipment at Gewerblichen Schule Künzelsau, thereby not only supporting the school's technical subjects, but also enabling the expansion of extracurricular courses and technical projects in the Hohenlohekreis.

INTspector App 5.0: Efficient Analysis for Full Transparency

Products

INTspector App 5.0: Efficient Analysis for Full Transparency

Innovation is a priority for KRIWAN, and this is evident in their latest achievement - the INTspector app, which has proudly reached its version 5 release. The software department has not only focused on creating a powerful application, but has also continuously optimized it to provide users with the ultimate analysis and evaluation tool for a variety of devices.

Guide to choosing the optimal motor protection

Products, Wiki

Guide to choosing the optimal motor protection

In the world of motors and electrical systems, proper protection is crucial to minimize downtime and extend the lifespan of your investments. At KRIWAN, we offer two premier options for motor protection: Motor Full Protection and Motor Protection Switches. But which option is best for your specific requirements? Let's take a closer look.

Retrofitting Pump Digitalization

Products, Water and wastewater industry

Retrofitting Pump Digitalization

Pumps are durable assets and are typically used over many years, sometimes even decades. In new installations, digital enhancements are often already integrated. The pump can then transmit data indicating potential issues or that can be utilized for optimized control. But what about the extensive inventory of pumps already in the field? To move sensibly towards digitalization, these pumps also need an 'update' to continue using them for many more years.

Hybrid teamwork: how flexibility is shaping the future of work - #KRIWANfamily

Career

Hybrid teamwork: how flexibility is shaping the future of work - #KRIWANfamily

An area sales manager talks about his day-to-day work and his career at KRIWAN and shows how home office and teamwork are possible together

Einmal KRIWAN, immer KRIWAN - 50-jähriges Jubiläum - #KRIWANfamily

2024-01-10

Career

Einmal KRIWAN, immer KRIWAN - 50-jähriges Jubiläum - #KRIWANfamily

Im Interview zum 50-jährigen Jubiläum gewährt Herr Spiegler spannende Einblicke in seine Karriere bei KRIWAN. Seit seinem Eintritt im Jahr 1970 erzählt er lebhaft von den bescheidenen Anfängen des Familienbetriebs, der einst in einer Wohnung produzierte.

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Recipe for Success: Creativity in Production - #KRIWANfamily

Career

Recipe for Success: Creativity in Production - #KRIWANfamily

From Apprentice to Team Leader: This career leap was achieved by Michael Miron at KRIWAN. After completing his apprenticeship as an Electronics Technician for Devices and Systems at KRIWAN and furthering his education to become an Industrial Master and Technical Business Administrator, Michael has been working for several years as a team leader in the production department, specifically in the assembly area. Read on to discover more about his daily work routine and his thoughts on KRIWAN as an employer.

Variety and Internationality - #KRIWANfamily

Career

Variety and Internationality - #KRIWANfamily

Variety in tasks and global networking make KRIWAN a fantastic employer. Building international locations, getting to know new cultures, and supporting colleagues worldwide make my work at KRIWAN unique.

Qualität mit Leib und Seele - #KRIWANfamily

2024-01-19

Career

Qualität mit Leib und Seele - #KRIWANfamily

Vor fast 40 Jahren startete Ulrich Dietz seine Ausbildung bei KRIWAN. Als Bereichsleiter für Qualität sorgt er mittlerweile dafür, dass die höchsten Standards in der Produktion und Produktdesign aufrecht erhalten werden. Aktiv treibt er die Innovation voran und stellt gleichzeitig sicher, dass jedes Produkt den strengen Qualitätsanforderungen entspricht.

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ICEfight: Reliable Despite Ice and Snow!

Successstory, Renewable energy

ICEfight: Reliable Despite Ice and Snow!

Around the world, wind farms are increasingly being constructed in extreme high-altitude locations. In these areas, far from cities and settlements, the high wind speeds promise maximum energy generation, helping to offset the decreasing yields per kilowatt-hour.

KRIWAN continues to grow!

News

KRIWAN continues to grow!

The KRIWAN Group announces that it has successfully acquired Birkholz Elektronische Geräte GmbH as a new subsidiary on January 10, 2024. This strategic acquisition marks a significant step in the continuous development and diversification of KRIWAN Holding.

Ride with Doppelmayr to the Summit!

Successstory, Renewable energy

Ride with Doppelmayr to the Summit!

KRIWAN has been brought on board by Doppelmayr for wind sensor technology, equipping all lifts with the wind speed sensor INT10 and the wind direction sensor INT30. The technology from Hohenlohe is being implemented in five detachable gondola lifts for eight people each, as well as in two detachable 6-person chairlifts and two fixed-grip 4-person chairlifts.

Pump Evolution: Safe, Reliable, Digital

Successstory, Water and wastewater industry

Pump Evolution: Safe, Reliable, Digital

KSB SE & Co. KGaA is a leading manufacturer of pumps, valves, and related systems. Founded in Germany in 1871, the company operates worldwide in over 150 countries with more than 15,000 employees. KSB provides innovative and efficient pump solutions for industries such as industrial, building services, water management, energy, and mining.

Top-Level Pump Monitoring

Successstory, Water and wastewater industry

Top-Level Pump Monitoring

In times of increasing weather extremes and rising threats from floods, the reliability of pump systems becomes a key component in protecting communities and infrastructure. The performance and efficiency of pumps are particularly crucial during flood operations to safeguard communities from the impacts of extreme weather events.

Wind Monitoring for Wind Turbines

Renewable energy

Wind Monitoring for Wind Turbines

The energy yield of wind turbines is directly related to the alignment of the turbine with the wind direction and operation within a defined range of wind speeds. Outside the economic threshold and above safety limits, wind turbines are turned out of the wind and shut down.

KRIWAN: A shining star among the Hidden Champions in Hohenlohe

Company

KRIWAN: A shining star among the Hidden Champions in Hohenlohe

Hohenlohe, known as the "Region of Hidden Champions," harbors some of the most successful companies that operate in the shadow of larger entities but have gained recognition worldwide. KRIWAN is undoubtedly a shining example of such a hidden champion in our region.

The visionary behind KRIWAN: Friedrich Kriwan and the groundbreaking INT69

Company

The visionary behind KRIWAN: Friedrich Kriwan and the groundbreaking INT69

In 1968, a visionary engineer named Friedrich Kriwan ventured into self-employment and founded the KRIWAN Group. This company was not only to become a major player in the electronics industry, but also to produce pioneering products.

Cyber security: Always on the safe side

Successstory

Cyber security: Always on the safe side

The world is becoming increasingly digital in all aspects of life. Smart homes make our lives more convenient, just like the Internet of Things, and Industry 4.0 creates entirely new economic opportunities.

Donations for Ukraine

News

Donations for Ukraine

The KRIWAN Group, based in Forchtenberg, is contributing €20,000 to the fundraising campaign of the city of Schwäbisch Hall to support the Polish twin town of Zamość.

Successful business year 2021

News

Successful business year 2021

The KRIWAN Group from Forchtenberg looks back on the past year 2021 with great satisfaction: "The group's turnover in Germany and the six foreign subsidiaries increased to almost 30 million euros and we are currently satisfied with the group's earnings situation," says the managing director Dr. Christian Ellwein.

Exhibitors at the IFAT 2021 trade fair

News

Exhibitors at the IFAT 2021 trade fair

First participation as a trade fair exhibitor at IFAT 2022 in Munich. At the world's leading trade fair for water, sewage, waste and raw material management, KRIWAN presents the new protective relays for water and sewage management.

Vocational school receives e-car from Friedrich Kriwan foundation

Kriwan Foundation

Vocational school receives e-car from Friedrich Kriwan foundation

As a sponsor, the Friedrich Kriwan foundation and the Hohenlohe Innovation Region have handed over a fully electric vehicle to the District Administrator of the Hohenlohe district and the principal of the vocational schools in Öhringen.

The wind tunnel

Successstory, Company

The wind tunnel

What does a development company from Hohenlohe do when it wants to avoid waiting times and high external costs during the testing of new developments? It creates its own, modern testing environment, perfectly tailored to its individual requirements.

Avoiding Issues in the Control Cabinet

HVAC/R, Products

Avoiding Issues in the Control Cabinet

A Feature by Dr. Christian Ellwein on Network Monitoring in the Current Issue of Refrigeration Climate Update. Control cabinets play a central role in most applications. If the power supply via the grid causes problems, troubleshooting can be very difficult. Network monitoring helps in this case. We have compiled some examples from KRIWAN customers who report on network fluctuations and the resulting problems. In addition, we demonstrate options for monitoring grid voltage with the KRIWAN INT69 UY voltage monitor.

How to get more out of your wind turbine in ice and snow

Renewable energy

How to get more out of your wind turbine in ice and snow

Numerous studies worldwide report losses of wind turbines of between 10 and 20% in icy conditions. One of the biggest problems is that the wind speed and wind direction sensors on the nacelle fail or malfunction in icy conditions.