Global Top 8 Neutral Grounding Resistor （NGR）Manufacturers

Writer： admin Time：2025-09-17 18:42:09 Browse：684℃

1) ABB (Switzerland)

Profile: A global leader in electrification, automation, and power equipment, ABB offers a wide range of medium- and low-voltage grounding protection solutions, including Neutral Grounding Resistors (NGR) and fault detection systems.
Main Products: Medium-/low-voltage grounding protection devices, NGR/HRG systems integrated with switchgear and protection relays, ground fault relays, and complete grounding solutions.
Key Advantages: Strong global brand reputation, system integration expertise (combining NGR/HRG with protection, switchgear, and automation), extensive service network, and full certification portfolio. Ideal for utilities and large-scale industrial projects.
Website: https://www.abb.com
Contact Email: eppc.support@us.abb.com

2) Siemens (Germany)

Profile: Siemens Energy and Grid Solutions provide comprehensive expertise in neutral point grounding strategies, NGR system design, and engineering consultancy (via Power Technologies International – PTI).
Main Products: Neutral point grounding consulting, NGR/HRG system selection and turnkey solutions, integration with grid simulation and protection engineering.
Key Advantages: Strong engineering consultancy capability, advanced system-level optimization (beyond equipment supply), and suitability for utilities, transmission, and distribution projects.
Website: https://www.siemens.com
Contact Email: power-technologies.energy@siemens.com

3) Schneider Electric (France)

Profile: A global leader in distribution and automation solutions, Schneider Electric’s portfolio includes switchgear, HRG/NGR modules, and advanced monitoring devices.
Main Products: High-resistance grounding (HRG) units, low-/medium-voltage grounding units integrated into switchgear (MCC), ground fault monitoring relays, and associated protection solutions.
Key Advantages: Expertise in integrating HRG/NGR systems into complete distribution panels, facilitating on-site installation and O&M; supported by a worldwide service and distribution network.
Website: https://www.se.com

4) GE / GE Grid Solutions (United States)

Profile: GE Grid Solutions specializes in distribution, grounding protection, and NGR/HRG solutions, often applied in utility-scale and heavy industrial environments.
Main Products: Neutral grounding systems integrated with low-voltage switchgear, high-resistance grounding units with alarm/monitoring, and coordination with protection relays.
Key Advantages: Proven expertise in large-scale distribution systems, integration with switchgear and substation applications, and strong capabilities for customized engineering solutions.
Website: https://www.gevernova.com

5) Eaton (United States)

Profile: Eaton provides high-resistance grounding (HRG) and neutral grounding solutions, supported by detailed technical guidelines and product lines tailored for mission-critical facilities.
Main Products: HRG systems, low-voltage high-resistance grounding units, ground fault monitoring and detection solutions, switchgear-integrated HRG panels.
Key Advantages: Comprehensive documentation, seamless integration with switchgear and MCCs, compliance with UL/CSA standards, and strong application expertise in industrial, petrochemical, and healthcare facilities.
Website: https://www.eaton.com

6) I-Gard Corporation (Canada)

Profile: A Canadian specialist manufacturer dedicated to Neutral Grounding Resistors (NGR) and ground fault protection systems, with long-standing experience and CSA/UL-certified products.
Main Products: NGR and HRG systems (indoor/outdoor), ground fault monitoring and pulsing systems, resistor components, and customized monitoring units.
Key Advantages: Specialist focus on grounding solutions, recognized certifications (CSA/UL), broad customization options, and proven expertise in compliance-driven projects.
Website: https://i-gard.com
Contact Email: support@i-gard.com

7) MegaResistors (Canada)

Profile: A Canadian manufacturer of power resistors and resistor enclosures, offering a full line of NGR products as well as braking and starting resistors.
Main Products: Neutral Grounding Resistors (NGR), dynamic braking resistors, motor starting resistors, and fully customized resistor assemblies.
Key Advantages: High degree of customization (grid design, enclosure, thermal ratings), fast delivery capability, and flexibility for small or large production runs.
Website: https://megaresistors.com
Contact Email: sales@megaresistors.com

8) Orion Resistors (China Mainland)

Profile: A China-based manufacturer with over 32 years of experience, specializing in electrical grounding and protection equipment. The company originated from China's military industry and has grown into one of the leading suppliers of grounding solutions, serving a vast global clientele.

Main Products: Neutral Grounding Resistors (NGR) for Transformers and Generators, Low Voltage Neutral Grounding Resistors, Neutral Grounding Arc Suppression Coils (Petersen Coils), Neutral Point Gap Grounding Protection Devices, and complementary power system protection equipment like Nitrogen Injection Fire Protection Systems (NIFPS).

Key Advantages: Recognized worldwide for delivering reliable and stable performance, over 32 years of manufacturing expertise, strong foundational heritage rooted in China’s military industry, and a global reach that has provided safe grounding solutions to over 60,000 customers across the world.

Website: https://www.orionresistors.com
Contact Email: info@orionresistors.com 

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