• Combination small format rectangular IR window and Ultrasound Port
    • Ideal format for Low Voltage applications on MCC, Dry transformer, Panelboard and Switchboard
    • Superior field-of-view compared to round windows
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The award-winning, CAP-4-US comes equipped with a square 4” IR window and an ultrasound port both on one easy-to-install panel. The viewing area of the CAP-4-US offers a 30% increase in FOV over round windows but also provides a method for accessing quality acoustics data that easily identifies potentially hazardous faults such as arcing, tracking and corona in electrical distribution systems and switchgear.

Window Housing and CoverStandard product constructed of aluminum; custom materials available
OpticUL 746 compliant, visual, UV and IR transmissive polymer; -40°C (-40°F) to 325°C (617°F)
GasketsUL 94 5VA TPE; -40°C (-40°F) to 273°C (523°F)
Hardware316 stainless steel
Useful Temperature Rating-40°C (-40°F) to 200°C (392°F)
Water and Dust IngressIP65 / NEMA 4
ModelWindow DimensionsOverall Dimensions
CAP-C-4-USA= 9.68 cm (3.81 in), B= 9.77 cm (3.85 in)C= 15.24 cm (6 in), D= 25.4 cm (10 in)
CAP-CT-4-USA= 9.68 cm (3.81 in), B= 9.77 cm (3.85 in)C= 15.24 cm (6 in), D= 25.4 cm (10 in)
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