We proudly announce the acquisition of the kalTHERM and SILkal product lines from the historic German company Kaltenbach GmbH, founded in 1957 by Werner Kaltenbach and a reference point for electric motors in the DACH region (Germany, Austria, Switzerland). This operation represents a significant step in Miotti’s growth and internationalization journey while preserving the values of quality, ethics, and attention to partners that both companies share.
A transition in the name of continuity
Karl Otto and Birgit Kaltenbach have managed Kaltenbach GmbH until today, continuing their father’s work with a strong commitment to excellence and a business approach based on integrity and professionalism. Their story closely resembles that of Miotti srl, founded in 1952 by Alessandro Miotti and strengthened by engineer Antonio Rodeghiero, who combined extensive technical expertise with a strong focus on customers and suppliers.
When the Kaltenbach siblings decided to conclude their business operations to pursue other projects, engaging in dialogue with Miotti was a natural choice. The two companies have long collaborated with HUBER+SUHNER and, even more importantly, share a common vision of service for their partners. This connection led to an agreement in December 2024 for Miotti to acquire the kalTHERM and SILkal registered trademarks, along with the related UL certifications.
Characteristics of the acquired products
The kalTHERM and SILkal lines include high-performance insulating sleeves, ideal for electrical applications in different thermal classes:
- kalTHERM 155-SGA UL: fiberglass sleeve insulated with acrylic resin (UL certified, Class F – 155°C);
- kalTHERM 155-SGP UL: fiberglass sleeve insulated with polyurethane resin (UL certified, Class F – 155°C);
- SILkal 180-SG: silicone sleeve for Class H applications (180°C, not UL approved);
- SILkal 200-SG UL: UL-certified silicone sleeve for Class H (180°C);
- SILkal 200-SGSG-VW-1 UL: UL-certified silicone sleeve with VW-1 certification, for Class H (200°C).
These products differ based on the certifications required for final applications and specific thermal properties.
A strategic move towards internationalization
This acquisition aligns with Miotti’s international growth strategy, which has increased the export share from 18% in 2018 to a projected 60% in 2025. Customers who previously sourced their products from Kaltenbach will find the same certified products and conditions at Miotti, along with the added value of our extensive catalog.
The kalTHERM and SILkal lines seamlessly integrate into our current offerings, expanding our range of high-temperature electrical insulation solutions. Additionally, Miotti will directly supply RADOX® cables, which were previously distributed by Kaltenbach.
As a Global Distribution Hub for RADOX® cables, we ensure efficient and reliable service with a huge stock inventory and delivery within one week. Learn more about RADOX® solutions and our range of specialized cables.
This ensures uninterrupted service continuity, providing customers with consistent access to the high-quality products they need.
An excellent service for all partners
Customers who previously relied on Kaltenbach for their purchases can continue to count on Miotti as a trusted reference point. This operation strengthens our commitment to offering innovative and reliable solutions to customers and suppliers. Our primary goal is to respectfully carry forward the work started by Kaltenbach GmbH, applying the same care and attention that have always distinguished both companies.