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Safe, Efficient, and Durable Solutions for Electrical Engineering

Material solutions for electrical engineering – reliable, efficient, long-lasting

The Schunk Group offers highly specialized material solutions for electrical engineering – from carbon brushes and sliding contacts to self-lubricating bearing systems. Our components ensure reliable power and signal transmission, reduce downtime, and extend the service life of your systems – even under the most demanding operating conditions. Benefit from our deep application knowledge and decades of experience in developing and manufacturing components for rotating electrical machines.

 A brightly illuminated bucket-wheel excavator in night-time operation at an open-pit mine for raw material extraction.
Mastering the Challenges of Electrical Engineering

From carbon brushes to grounding systems – all from a single source

Electrical machines are continuously evolving – higher rotational speeds, more compact designs, stricter environmental standards, and rising cost pressure are significant challenges for engineers. With our material solutions, you are well-equipped for the future. Key challenges we help you address:

  • Technology Shift: From DC to AC systems, brushless concepts, increasing rotational speeds
  • Energy Efficiency & Sustainability: Components must meet high performance requirements with minimal energy use
  • Reliability Under Load: Materials must withstand heat, vibration, and varying operating conditions
  • Cost Optimization: Long service life and low-maintenance designs reduce total operating costs
Solutions

Our solutions for electrical engineering

 Row of labeled graphite samples with different material codes – representing the range of industrial carbon materials at Schunk.

Carbon Brushes

As a central element of power transmission in electric motors, our carbon brushes ensure reliable performance and minimal downtime. Depending on the application, we supply customized geometries, material mixes, and additional functions—from quick start and radio interference suppression to shut-off and signaling functions.

 Precisely manufactured segmented ring with interlocking feature for use in sealing systems or rotating industrial equipment.

Seals, Bearings & Sleeves

Our self-lubricating slide bearings and rings made of graphite and SiC composite materials are ideal for low-maintenance applications. They impress with their high temperature resistance, chemical resistance, and excellent running properties—even when dry running or in media-carrying environments.

 Technical close-up of a circular metal housing with integrated braided wires, used in slip ring or power transfer systems.

Grounding Systems

We offer grounding solutions with reliable contact materials for the safe dissipation of leakage currents or static charges. Our grounding systems are used in railways, industry, wind power, and other applications, and actively help prevent malfunctions, material damage, and failures.

 Close-up of an industrial current collector assembly with metal contact elements, insulators, and precision fastening.

Carbon Brush Holders

Our brush holder systems ensure the correct positioning and contact pressure of the carbon brushes – crucial for stable running characteristics and low wear. Thanks to their robust design, individual adaptability, and integration into existing motor architectures, they offer maximum operational reliability and installation efficiency.

Find the right solution for your individual application – customized and reliable

Our products for specific applications

Whether for standard drives or highly specialized systems – Schunk delivers functional components for rotating electrical machines, precisely tailored to your technical requirements. Our solutions are used worldwide – from household appliances to large-scale generators.

Materials expertise for maximum efficiency

Choosing the right material is key to performance, service life, and cost-effectiveness. We support you from initial application analysis to series release – including material testing, geometry optimization, and custom engineering.

Key selection criteria include:

  • Current load and motor speed
  • Environmental conditions (dust, temperature, humidity)
  • Commutator or slip ring material
  • Space constraints and mechanical design
  • Lifetime requirements and maintenance intervals
Schunk Group
Schunk Group

Engineering competence in materials technology and machine building.

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Sustainability
Sustainability

We take responsibility.

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Brochure: Current Transmission
Brochure: Current Transmission

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Brochure: CDE - Dust Extraction System

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Brochure: Home Appliances
Brochure: Home Appliances

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Brochure: Carbon Brush with Cut-Off & Signaling Device

Reliability for Professionals –
Carbon Brushes with Cut-off Device
and Signaling Device

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Brochure: Carbon Brush - Pumicing Effect
Brochure: Carbon Brush - Pumicing Effect

Avoid the Conventional Pumicing Process with Schunk Carbon Brushes

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Brochure: The Best for Your Pump

Carbon and Ceramic Solutions from Schunk

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Any questions?

Let us advise you

We’re here to help you select and design your custom components for electrical engineering. Our application engineers offer personalized advice – from the initial idea to a series-ready product.

Contact us