Periodic testing of protective relays is essential to ensuring proper fault detection and equipment protection. At NRL Power, we are proud of our history of providing state of the art on-site relay testing, calibration and repair services to industrial and utility customers at a very reasonable cost. A family owned company, our staff has over 40 years of combined experience in the testing of protective relaying systems. Our list of customers includes General Electric, Square D, UPS, Nipsco, Commonwealth Edison, Nalco Chemical, Amoco Oil among many others. We have done work for a huge variety of applications, including hospitals, universities, manufacturing and utilities of all sizes. From the oldest electro-mechanical to the newest solid state systems, we have both the equipment and knowledge to properly test and service these devices. We use only Doble brand relay test equipment to ensure accurate and repeatable results. Testing is done in accordance with manufacturer’s recommendations and any problems found can often be resolved on the spot via calibration or on-site repair. Our equipment and expertise in testing will give you the peace of mind that your system is functioning as intended. We also stock over 6000 used and surplus relays, one of the largest inventories in the industry. This enables us to provide replacement relays or parts on short notice. If you have any questions regarding our services or would like a quote, please don’t hesitate to give us a call. We look forward to hearing from you!