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Reduce the risk of arc-flash and electrocution, increase the safety of your personnel, and reduce the time and cost of preventive maintenance.
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Personal Greeting

A company's greatest investment is not the equipment that's behind the panel door; top priority is to offer the ultimate protection for the electricians, engineers, and inspectors who risk their lives every day doing their jobs.

The ClirVu® coating - exclusive to Fluke infrared windows - seals the optic prior to assembly to protect against moisture degradation making it perfect for very hot and very cold environments.

Each Fluke infrared window is delivered with an identification plate attached for unique, on-site numbering for rapid location confirmation and faster repairs.

For a security key access option see the CV401 IR Window.

The CV Series of infrared windows are also available in 50 mm (2 in) and 75 mm (3 in) sizes.

Installs and grounds in less than 5 minutes

Save time with quick and easy installation with the CV Series – 5 minutes or less.

  • One technician
  • One hole with standard Greenlee® punch
  • The panel door does not need to be removed
  • Grounds instantly to metal enclosure with patent-pending AutoGround™ process
  • Maintains panel arc test ratings up to 63kA when properly installed

Work more efficiently with Fluke ClirVu® CV400 95 mm (4 in) Infrared Windows

  • NFPA 70E processes significantly reduced due to less work permit requirements
  • Faster and more comfortable inspections because full PPE is often not required
  • Reduce the risk of arc-flash and electrocution, increase the safety of your personnel and reduce the time and cost of preventive maintenance
  • CV400 is Torture Tested™ to the highest arc blast test ratings IEEE C37.20.7: 63 kA Arc tested at KEMA, UL 50/50E/50V, UL1558, IEC60529-1: IP67, IEC 60068, NEMA 4/12, CSA C22.2 NO. 14-13:2012, and CE
  • The convenience of both quick turn or security keyed access
General Specifications
Size 95 mm (4 in)
Voltage range Any
NEMA environment type Type 4/12 (indoor/outdoor)
AutoGround™ Yes
ClirVu® optic Yes
Operating temperature -40°C to +232°C (-40° F to +450°F) and +260°C (500°F) intermittent
Compatible with all Fluke cameras Yes
Jam nut locking system Yes
Cover and fastener permanently attached Yes
Single-hole install Yes
Hand turn and security key door latch options Yes
Visual inspection and fusion capable Yes
Short/Mid/Long-wave IR and UV capable Yes
Ratings and Testing
Arc-tested (IEEE C37.20.7) 63 kA for 30 cycles @ 60 Hz at KEMA
UL 50 / NEMA environmental rating NEMA Type 4/12
UL1558 Yes
CSA C22.2 No. Yes
CSA type rating Type 4
IP rating IP67 at TUV
Lloyds register Up to 11 kV marine switchgear, indoor or outdoor (offshore only)
Vibration rating IEC60068-2-6 at TUV
Humidity rating IEC60068-2-3 at TUV
Install
Actual mounting hole diameter required 115.42 mm (4.544 in)
Greenlee® punch kit = punch/die 742BB = 2984AV/2983AV
Recommended max panel thickness 10 gage
Overall window height 189.3 mm (7.45 in)
Overall window width 147.1 mm (5.79 in)
Overall window thickness 23.0 mm (0.90 in)
Door latch Hand Turn
Optics
Optic insert diameter 95 mm (3.74 in)
Viewing aperture diameter 87.63 mm (3.450 in)
Viewing aperture area 6032 mm2 (9.35 in2)
Thickness 4 mm (0.16 in)
Other
Warranty Lifetime replacement against manufacturing defects

Fluke CV400

Fluke CV400 ClirVu® 95 mm (4 in) Infrared Window

Includes:

  • 4 in (95 mm) IR Window
  • Hand turn door latch
  • Warranty statement 
  • Fluke IR Windows are complete, assembled and ready for installation