Siemens integrates recycled polyamide in electrical safety devices
Iain Hoey
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Siemens adopts recycled material for RCCBs
Siemens Smart Infrastructure has announced the adoption of a recycled polyamide material from DOMO Chemicals for use in its electrical safety products.
The company will use TECHNYL® 4EARTH® polyamide 6 (PA6), which incorporates 50% recycled content, for the covers and housings of SENTRON 5SV3 residual current circuit breakers (RCCBs).
These circuit breakers quickly disconnect power when detecting a current imbalance, preventing electric shocks and fires in residential and commercial installations.
DOMO Chemicals has developed and validated the material to meet Siemens’ performance and safety requirements.
The PA6 compound is composed of chemically recycled polyamide from post-industrial and post-consumer sources, as well as glass reinforcement, reducing environmental impact without compromising quality.
Circularity and performance in electrical safety
Siemens has introduced this material as part of its sustainability strategy.
Andreas Matthé, CEO of Electrical Products at Siemens Smart Infrastructure, said: “We want to lead the industry with smart and sustainable technology.
“It’s our ‘new normal’ to deploy as much sustainable material as possible for each new product to support our customers in achieving both optimised operations and their environmental goals.”
The SENTRON 5SV3 RCCBs meet the criteria of the Siemens EcoTech label.
They are designed to exceed the IEC 61008-1 standard lifetime expectations, offering 10,000 operating cycles.
The devices are also compatible with Siemens’ standardized accessory system, allowing for upgrades such as auxiliary switches and undervoltage releases.
Flame-retardant polyamide meets industry standards
DOMO Chemicals’ TECHNYL® 4EARTH® C 52G1 V25 CR GY 2747 is used for most of the RCCB covers and housings.
The material includes a phosphorus and halogen-free flame-retardant system and is UL-certified, ensuring compliance with industry safety standards.
It offers molding and electrical properties suitable for demanding applications and can be customised in different colours, including light grey.
Juha Jokinen, Chief Commercial Officer Engineered Materials at DOMO Chemicals, said: “At DOMO Chemicals, our ambition is to support our customers in achieving a lower carbon footprint without compromising performance.
“We are thrilled to partner with Siemens to deliver innovative and sustainable solutions that meet the growing demand for environmentally friendly materials.”
Sustainable polymer portfolio for electrical applications
DOMO Chemicals has developed a range of sustainable polymer solutions for the electrical and electronics industry.
The company offers mechanically and chemically recycled polyamide solutions, as well as mass balance-certified options, with varying levels of environmental impact reduction.
The materials include flame-retardant technologies, laser markability, and colour customisation while maintaining safety standards.
Siemens Smart Infrastructure and DOMO Chemicals intend to expand the availability of recycled polyamide for broader industry applications.
DOMO’s recycling technology and supply chain enable it to provide high-performance polyamide solutions, supporting Siemens’ sustainability efforts.
Siemens integrates recycled polyamide in electrical safety devices: Summary
Siemens Smart Infrastructure has announced the use of DOMO Chemicals’ recycled TECHNYL® 4EARTH® polyamide 6 (PA6) in its SENTRON 5SV3 residual current circuit breakers (RCCBs).
The material consists of 50% recycled content, including chemically recycled polyamide and glass reinforcement, reducing environmental impact while maintaining product performance.
The RCCBs, which meet Siemens’ EcoTech label criteria, offer 10,000 operating cycles and compatibility with accessory upgrades.
The polyamide material is UL-certified, phosphorus and halogen-free, and customisable for electrical safety applications.
Andreas Matthé of Siemens Smart Infrastructure stated that sustainability is a priority in product development.
Juha Jokinen of DOMO Chemicals highlighted the company’s focus on reducing carbon footprints without compromising performance.
Siemens and DOMO Chemicals plan to extend the use of sustainable materials in electrical applications.
DOMO’s recycling technology supports industry demand for environmentally friendly polyamide solutions.
