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Generator Breaker - IR windows

A power generation plant replaced impact resistant plastic viewing windows on generator breakers that suffered from degradation and were no longer transparent. The solution for their problem was found with IRISS CAP Flex IR Window Series.

A power generation plant struggled with inspecting their 18KV 8000 amp generator breaker through the factory installed standard viewing windows. The windows had suffered from degradation due to UV exposure and were no longer visually transparent and therefore made it impossible to inspect the equipment. An electrical service contractor found the right solution for their problem. The contractor invited his customer to visit the manufacturing plant of IRISS, a global leader in Electrical Maintenance Safety Devices (EMSDs) and designers of the world’s first patented industrial- grade IR window solutions.

The customer saw first-hand the state of the art equipment and manufacturing process that IRISS provides. It was clear that IRISS focuses on continuously improving infrared (IR) window technology, building reliable products, exceeding customer expectations, remaining a science-based R&D company, and protecting the IRISS polymer IR windows through the IRISS unconditional lifetime warranty.

The solution was found. The IRISS IR Window that replaced the failed factory installed windows on the 18KV 8000 amp generator breaker was the CAP-CT Flex IR Series Window. The window was specifically designed to replace the original factory installed windows. These IRISS IR windows now provide the ability to do visual inspections, infrared inspections, and UV inspections if they are looking for corona. The IRISS CAP series of infrared windows are the largest standard sized IR windows available in the marketplace today. The series incorporates a rectangular design available in standard sizes of 4, 6, 12, and 24 inches and allows for more freedom to inspect multiple components through one infrared window. As in this application, in addition to the standard sizes, custom sizes are available. The power generation plant that was looking for a solution for the replacement of their failed windows can now rest assured that the IRISS windows will last the lifetime of their equipment.


IRISS is the manufacturer of the world’s first and only industrial-grade infrared windows. Their design is based on the 17 years of field experience that the company’s founder, Martin Robinson, gained as a Level III thermographer. And it is this end-user perspective that makes IRISS unique in the industry.

IRISS designs and manufacturers IR (Infrared) windows and safety solutions for electrical assets and provides training for electrical engineers.

IRISS provides its customers with unsurpassed quality at every touch point and focusses on continuously improving infrared (IR) window technology, building reliable products, exceeding customer expectations, whilst remaining a science-based R&D company and protecting their polymer IR windows through the IRISS Unconditional Lifetime Warranty.

IRISS industrial-grade IR windows facilitate safer, more efficient inspections of energized electrical equipment when compared to traditional crystal windows. IRISS award-winning, IR window designs feature a durable transparent polymer lens that allows visual, UV, and short/mid/longwave IR spectrum inspections. And…is available in custom shapes, sizes, and colours to fit the needs of any application.

As solution providers, the team at IRISS brings a multitude of experience from world-class maintenance programs together to meet the individual needs of commercial, industrial, marine, power generation and government maintenance programs.

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