FLIR IRW-3C IR Inspection Windows, 3" (75mm)

Model: IRW-3C

FLIR IRW-3C IR Inspection Windows, 3" (75mm)-

Downloads: datasheet

FLIR IRW-3C Infrared Inspection Window 3" (75mm) for indoor and outdoor applications. With Broadband Crystal Lens and Easy PIRma-Lock™ Installation.

Your Price $299.99 USD
Availability 2 to 3 Weeks

FLIR IRW-3C Offers

Reduce hazardous risks during thermal and visual electrical cabinet inspections with FLIR IR Windows. Increase inspection efficiency without compromising on safety.


  • Compatible with All FLIR Cameras
  • PIRma-Lock Installation System
  • Cover and Fastener Permanently Attached
  • Single-hole Installation
  • Thumb Screw and Safety Screw Included
  • Broadband IR -- Short-, Mid-, & Longwave
  • Visible Light Spectrum
  • Picture-in-Picture & Fusion Image Blending
  • UL Component Recognition (UL 50V)

Model Number

FLIR IR Window
2" - IRW-2C

FLIR IR Window
3" - IRW-3C

FLIR IR Window
4" - IRW-4C


FLIR IR Window
2 inch

FLIR IR Window
3 inch

FLIR IR Window
4 inch

General Specifications

NEMA Environment Type Type 4/12 (outdoor/indoor)
Maximum Operating Temperature 500°F/260°C

Optic Specifications

Crystal Insert Diameter 50mm (1.97") 75mm (2.95") 95mm (3.74")
Viewing Aperture Diameter 45mm (1.77") 69mm (2.71") 89mm (3.50")
Viewing Aperture Area 1590mm2 (2.46in2) 3739mm2 (5.79in2) 6221mm2 (9.64in2)
Window Thickness 2mm (0.07")
Optic Maximum Temperature 1355.6°C (2474°F)
Voltage Range Any
Body Material Anodized Aluminum
Overall Height 85.5mm (3.36") 107.4mm (4.22") 136.5mm (5.37")
Overall Width 73mm (2.87") 99mm (3.89") 127.44mm (5.01")
Overall Thickness 25.5mm (1.00") 26.86mm (1.05") 29.25mm (1.15")
Required Hole Diameter (Nominal) 2-3/8" (60.3mm) 3.5" (88.9mm) 4.5" (114.3mm)
Greenlee Punch 76BB 739BB 742BB
Broadband IR -- Short-, Mid-, & Longwave x x x
Visible Light Spectrum x x x
Picture-in-Picture & Fusion Image Blending x x x

Ratings & Testing

Underwriters Laboratories (UL 50V) x x x
UL 50 Environment Type 4/12
CSA Certification, Product Class 3211 07 x x x
KEMA (IEC 62271-200) Arc flast test standard: 5kV, 63kA for 30 cycles at 60Hz
TUV (IEC 60529) IP67
TUV (IEC 60068-2-6) 100 m/s^2 vibration withstand
TUV (IEC 60068-2-3) 15-day extreme humidity withstand
TUV (ANSI/IEEE C37.20.2 section A3.6) Impact Resistant Cover
Maximum Pullout Strength 657 kg (1450 lbs) 1655 kg (3650 lbs) 1678 kg (3700 lbs)


Warranty Limited Lifetime Warranty Against Manufacturer Defects
Click here for complete specifications on the FLIR IRW-3C

What's included with the FLIR IRW-3C

  • Thumb Screw
  • Safety Screw
datasheet for the FLIR IRW-3C IR Inspection Windows, 3" (75mm)

IR Windows make electrical inspections easy and safe, save time and money while ensuring the safety of your team.

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