- Enhanced design allows for longer brushes increasing brush life and decreasing downtime
- Improved brass holder for durability in harsh environments
- Holder material options: casted brass, extruded brass, TeflonTM coated
Constant Force Springs
- Our pioneering research in the 1980’s set the industry standard for spring pressure, from 2 psi to 4-6psi.
- Proper spring pressure ensures better brush contact with the commutator
- Increased spring force reduces electrical brush wear thus improves brush life and performance
- Spring life expectancy is 3-5 years on most applications – replacing our springs is easy and safer than traditional springs!
Built-In Wear Indicator
- Optional brush wear indicator is the industry’s most convenient way to monitor brush wear
- Red “danger strip” informs you the brush is worn out and should be replaced.
- Preventative maintenance’s dream accessory
Helwig Quick Disconnects (HQDs)
- Impressively fast and easy way to change brushes
- No screws to remove, lose or replace!
- HQD’s lock together with a tight, positive locking action even under rough conditions
- Increase maintenance safety
Straight
90°
45°
Constant Force Spring Assembly
Constant Force Spring Assembly with Wear Indicator
Explore Brush Holders
We offer a full-line of informational literature to help answer any questions you may have.
18 stock brush holders!
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Learn more about our pioneering constant force spring research from the 1980s
Custom Engineered Brush Holder Solutions
Increase performance, decrease downtime costs
*Maximize ROI*
Rush Orders – turnaround time as quick as 48 hours
18 stock brush holders – Next Day Shipping!
Types of Brush Holders
Industrial Holders
- Solid construction provides better performance, longer brush life and lower maintenance costs than the original holder
- Over 40 standard models in stock for GE, Reliance, Westinghouse, etc.
- Easy to install
- Constant Force Springs for increased performance out of your brush
- Custom engineered designs for any applications
Turbine Style Holders
- Direct retrofit and custom designs for upgrades are available
- Adjustable mounting bolts to increase installation flexibility for proper height above rings
- Constant force holder design with Wear Indicators to easy maintenance
- Replaceable spring clips provide less costly downtime
Adjustable Slip-Ring Holders
- Fully adjustable holder designed to fit a wide array of applications
- Flexible ring diameters, post diameters, and positions
- Custom designed holders easily retrofit existing equipment and exceed performance of the original holder
- Custom designs for wind power holders, wound rotor induction motor and synchronous motor holders
- Standard holders in stock for GE and Westinghouse power generation
- Replaces single holder and bank of two designs
- Constant force spring design
- Offered in 6 standard box sizes
Wind Holders
- Robust design exceeds OEM holder performance
- Engineered for maximum reliability, easier maintenance, and fewer up-tower repairs
- Replaceable and adjustable brush boxes
- Simplified wiring harness
- Teflon spacers to protect ring phases
- HQDs for faster brush changes
- ISO 9001 Certified
BPK Holders
- Durable shaft grounding kit holders, made for even the toughest conditions and tightest of spaces
- Proprietary silver graphite grade travel smoothly inside the shaft grounding kit holder
- More effective than the carbon-fiber ring
- Typically reduces shaft voltage to less than 1V!
- Easy to install – effective immediately
- Sealed and Internal Mount options are available
- Fits multiple shaft sizes
- Stock kits available for same-day shipping
- UL Approved – Patented Products
Traction Holders
- Enhanced replacement for 752 drilling & traction holders
- Heavy-Duty gunmetal cast for extremely rough mining & traction applications
- Internally reinforced insulator studs
- Reduces vibration
- Minimizes stud breakage
- Durable clock style spring
- Includes a stud to hold spring finger for fast and easy brush changes
- Compatible with Helwig Carbon brush grades: H38, H83, H84, H60
Finger Style Holders
- Recommended for rough, high-vibration or excessive run-out applications
- Designed to retrofit existing holders and spring combinations
- Improved brass holder to withstand extreme environments
- Engineered for individual holder replacements when needed
- Able to use your existing brush – same length brush box
Brush Holder Magazine Rebuild Program
No need to replace, let us rebuild your magazines!
Rebuild Benefits
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Rebuilt by experts
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Quick turnaround
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Fraction of the cost
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compared to a new magazine
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Regain holder performance
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Prepare for scheduled maintenance
Rebuild Process
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Disassemble, clean and tumble all metal parts
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Check and adjust the brush box for proper fit and brush clearance
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Silver-plate brush holder and assembly
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Replace your backplates, springs and terminal screws
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Swap your retaining plate with a stainless steel retaining plate
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Reassemble your magazine
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Deliver a rebuilt holder that performs like NEW!
Before
After
Before
After
Carbon Brush Holder Blog Posts
Celebrate With Us President – Mark Umhoefer Our mission is to provide genuine overall value to our customers. Nothing demonstrates that commitment better than our decision 50 years ago to add high-quality brush holders to the line of products we manufacture. Today more customers than ever come to Helwig Carbon Products to be supplied with the best possible holder and brush solution – a custom engineered solution provided by a team with unparalleled levels of expertise and experience.
Acquisition & Integration of Brush Holder Product Line Milwaukee, WI, February 28, 2020– Helwig Carbon Products, Inc. is pleased to announce the acquisition and integration of the brush holder product line of J. Ream Manufacturing, Inc.
A common question from those handling DC motor maintenance is, “why are my carbon brushes wearing so quickly?”. Rapid brush wear is a problem that can be caused from a multitude of factors. There isn’t one easy answer to this question, as each situation can be different. A natural answer to this question that many will quickly jump to is the carbon brush grade. However, we’ve seen that, more often than not, the brush grade is not the culprit. Here are three of the most common reasons for rapid carbon brush wear:
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Lightning Protection Systems
May 21, 2020
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WEG Motors with Bearing Protection Kits™
April 28, 2020
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Why We Test For Shaft Voltage (And You Should, Too!)
April 15, 2020
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Why Motor OEMs are switching to Helwig’s Bearing Protection Kits™
April 6, 2020
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Understanding Circulating Currents
March 25, 2020
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COVID-19 Update
March 24, 2020
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COVID-19 Announcement – Helwig Carbon Is Still Supporting Your Critical Applications
March 17, 2020
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CELEBRATE WITH US
—50 Years of Brush Holder Innovations—March 10, 2020
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PRESS RELEASE: Helwig Carbon Products, Inc. acquires J Ream Manufacturing, Inc.
March 2, 2020
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Fractional Horsepower Brush Design
February 28, 2020