Reliable Shaft Grounding Systems That Protect Your Motors
Prevent costly bearing damage and downtime with SGS® shaft grounding solutions. Trusted across industries for over 40 years, our systems are engineered and manufactured in the USA for performance, longevity, and easy maintenance.
CR Series
Axial Driven Shaft Grounding Systems (Non-Drive End)
Our SGS® CR Series is engineered for all NEMA and IEC frame sizes and motor enclosures, providing unmatched reliability where it matters most.
Why Choose CR Series?
- Long-Lasting Performance – Sealed brush surface reduces wear and extends motor life.
- Minimal Downtime – Inspect or replace brushes in less than a minute — even while the motor is running.
- Cost-Saving Design – Rebuild kits add 20–30 years of service life without costly replacements.
- Engineered for Reliability – Proprietary materials ensure a durable, low-resistance grounding path.
- Field Installable – with handheld tools and without need for uncoupling equipment.
SR Series
Split Ring Shaft Grounding Systems
When large-frame motors need both ends grounded, the SGS® SR Series is the proven solution.
Key Advantages
- Broad Compatibility – Fits shaft sizes from 1-⅛” to 15” and IEC motor sizes.
- Unmatched Durability – No ring replacements requested in nearly 40 years of service.
- Flexible Protection – Works in tandem with CR Series when circulating currents are suspected.
- Low Maintenance – Brush replacement available, though rarely needed.
- Field Installable – with handheld tools and without need for uncoupling equipment.
DR Series
Solid Ring Shaft Grounding Systems
Our SGS® DR Series is an ideal solution for installation when a motor can be uncoupled.
Key Advantages
- Unmatched Durability – No ring replacements requested in nearly 40 years of service
- Broad Compatibility – Fits shaft sizes from 5/8” through 9”
- Easily installed – with multiple bracketing options
- Highly reliable – with very infrequent brush change, system will perform better than any brush-on-shaft or microfilament device
Why Choose SGS® Shaft Grounding Systems?
For over 40 years, SGS® shaft grounding systems have delivered proven performance across industries. Built for longevity, safety, and easy maintenance, they’re backed by a dedicated support team that understands your motors. Protect your investment, prevent downtime, and power your operation with confidence.
Support & Maintenance You Can Count On
Your operations can’t afford downtime — and neither can we. That’s why we designed SGS® systems for fast, simple upkeep.
- Maintenance in minutes – Replace brushes quickly without stopping the motor (CR Series).
- Extended lifespan – Rebuild kits keep systems working for decades.
- Same-day shipping on an array of products – Available across the U.S., with rapid international turnaround.
Customer Service That Puts You First
Our team at DP&A Sales provides responsive, expert support at every step:
- Assistance with product selection and installation.
- Warranty guidance with no impact on motor manufacturer warranties.
- Consistent, reliable customer service you can trust.