Intelligent condition monitoring for machines and systems

KRIWAN Industrie-Elektronik GmbH is known for its highly developed electronics and sensor solutions in industrial drive technology such as refrigerant compressors, pumps, fans and motors as well as wind measurement technology.

KRIWAN also stands for the latest generation of intelligent condition monitoring. And has been doing so for over 50 years. The result yesterday and today: maximum efficiency and optimum safety with minimum maintenance.

We offer protection systems for almost every machine and system in a wide range of industries. Tailor-made, simple and easy to integrate.

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KRIWAN at Chillventa 2026 - Visit us in Nuremberg!

Visit us at Chillventa in Nuremberg from 13. - 15. October 2026! At the KRIWAN stand in Hall 1, Stand 1-317, discover how our innovative solutions for refrigeration and air conditioning (HVAC/R) provide customised answers to the challenges of the industry. We offer precise monitoring, reliable protection and pioneering technologies that set standards today and in the future.

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2026-08-04

Oil Level Monitoring in Scroll Compressors: INT275–INT279

Protect scroll compressors from oil starvation: KRIWAN optical oil level monitoring INT275–INT279 – non-contact, vibration-resistant, relay output for safety circuits.

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2026-04-22

Frequency converters for the HVAC/R industry

Stromwandler sind unverzichtbare Komponenten in elektrischen Anlagen und decken ein breites Spektrum an Anwendungen und Einsatzbereichen ab. In diesem Blogbeitrag befassen wir uns eingehend mit ihrer Funktion, ihrer Verwendung, typischen Einsatzbereichen, wichtigen Aspekten bei der Auswahl sowie den verschiedenen auf dem Markt erhältlichen Typen.

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2026-04-20

From RS-485 to SPE: The future of system communication

Modbus RTU has been the standard in refrigeration technology for decades. However, Single Pair Ethernet (SPE) enables end-to-end IP communication down to the field device and offers advantages in bandwidth, networking, and power supply.

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2026-04-13

KRIWAN INTdrive – an innovative variable-frequency drive platform for everyday wastewater treatment

With the KRIWAN INTdrive, KRIWAN has developed a variable-frequency drive solution specifically tailored to the requirements of submersible pumps in wastewater treatment. The product is initially available in the 11 to 18.5 kW power range and also serves as a platform for additional power classes and application areas.

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2026-04-08

IFAT Munich: Pump and Machine Protection for Water and Wastewater | KRIWAN

Visit KRIWAN at IFAT Munich, Booth C1-142: INT69 pump and machine protection relays, gateway (Modbus RTU), and the INTspector app. Schedule an appointment in advance and experience a live demo.

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