Flir IRW-3C, IRW-4C, IRW-SS-4C, IRW-SS-2C, IRW-SS-3C Data Sheet
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ANODIZED ALUMINUM OR
STAINLESS STEEL WINDOWS
WITH PIRMA-LOCK
TM
FLIR IR
WINDOWS
The FLIR IRW-Series inspection windows allow for fast,
efcient inspections of electrical gear by eliminating
the need to remove panel covers or open electrical
cabinets. IR Windows add a protective barrier between
you and energized equipment to reduce the risk of
arc ash. They also help keep you in compliance with
NFPA 70E requirements and may allow you to reduce
the amount of personal protective equipment (PPE)
needed. The windows are easy to install and feature a
permanent, hinged cover that ips open effortlessly, so
there are no loose parts to drop, mix up, or lose. Choose
from the standard anti-corrosion anodized aluminum
frame–or if there are mixed-metal concerns–opt for
durable stainless steel. This helps prevent galvanic
corrosion from contact between the stainless steel
cabinet and window frame.
WORK SAFELY
Avoid arc flash incidents
• Keep panel covers on for a protective barrier
from energized equipment, and to prevent nuts
or bolts from dropping into energized cabinets
• Work condently with the knowledge that IRWSeries windows meet NFPA 70E safet y requirements
• Inspect more frequently to ensure equipment is in
good condition, and reduce the potential of incidents
www.ir.com/instruments/ir-windows
INCREASE EFFICIENCY
Improve productivity and ROI
• Saves time and labor by eliminating the
need to remove panel covers, so just one
person can complete the inspection
• May reduce the number of protective
layers inspectors need to wear
• Supports thermal, MSX®, and visual inspections
with broadband crystal IR window that also allows
laser pointers and illumination to shine through
DECREASE DOWNTIME
Install easily, with no detachable parts
• Uses standard punch tools for knockouts
for single hole installation
• PIRma-Lock™ ring nut speeds installation,
automatically grounds, and locks window tight
• Stainless steel option avoids contact between
dissimilar metals to resist corrosion
SPECIFICATIONS
Model/Size IRW-2C/2S 2” Window IRW-3C /3 S 3” W indow IRW-4C/4 S 4” Window
NEMA Environment Type Type 4/12 (outdoor/indoor) Type 4/12 (outdoor/indoor) Type 4/12 (outdoor/indoor)
Voltage Range Any Any Any
Automaticall y Grounded Yes Yes Yes
Maximum Operating Temperature 260°C/500°F 260°C/500°F 260°C/500°F
Body Material - IRW-xC Type Anodized aluminum Anodized aluminum Anodized aluminum
Body Material - IRW-xS Type AISI-grade 316 stainless steel AISI-grade 316 stainless steel AISI-grade 316 stainless steel
Gasket Material Silicone Silicone Silicone
Hardware Material Steel Steel Steel
Size Specifications
Overall Height 85.5 mm (3.36 in) 107.4 mm (4.22 in) 136.5 mm (5.37 in)
Overall Width 73 mm (2.87 in) 99 mm (3.89 in) 127.44 mm (5.01 in)
Overall Thickness 25.5 mm (1.0 0 in) 26.8 6 mm (1.05 in) 29.25 mm (1.15 in)
Required Hole Diameter (Nominal) 60.3 mm (2 3/8 in) 88.9 mm (3 1/2 in) 114.3 mm (4 1/2 in)
Greenlee Punch 76BB 739BB 742BB
Recommended Max. Panel Thickness 3.2 mm (1/8 in) 3.2 mm (1/8 in) 3.2 mm (1/8 in)
Optic Specifications
Optic Diameter 50 mm (1.97 in) 75 mm (2.95 in) 95 mm (3.74 in)
Viewing Aper ture Diameter 45 mm (1.77 in) 69 mm (2.71 in) 89 mm (3.50 in)
Viewing Aperture Area 1590 mm ² (2.46 in²) 3739 mm² (5.79 in²) 6221 mm² (9.6 4 in²)
Optic Maximum Temp erature 1355.6° C (2474°F ) 1355.6 °C (2474°F) 1355.6° C (2474°F )
Ratings & Testing
UL Component Recognition (UL 5 0V) Yes Yes Yes
UL 50 / NE MA Environment Rating Type 4/12 Type 4/12 Type 4/12
Arc Flash Testing, IEC 62271-200
(KEMA)*
IP Rating, IEC 60529 ( TUV )* IP67 IP67 IP67
Vibration Testing, IEC 60068-2-6 (TUV )* 100 m/s² vibration withstand 100 m/s² vibration withs tand 100 m/s² vibration withstand
Humidit y Testing, IEC 60068-2-3 (TUV)* Extreme humidity withstand Extreme humidity withstand Extreme humidity withstand
Mechanical Testing, ANSI/IEEE C37.20.2
Section A3.6 (TUV)*
Maximum Pullout Strength 657 kg (1450 lbs) 1655 kg (3 650 lbs) 1678 kg (3700 lbs)
CSA Certi cation, C22.2 No. 14 or 508 Yes Yes Yes
5 kV, 63 kA for 30 cycles at 60 Hz 5 kV, 63 kA for 30 cycles at 60 Hz 5 kV, 63 kA for 30 cycles at 60 Hz
Impac t and load r esistant cover Impac t and load r esistant cover Impact and load resistant cover
*Test results valid for IRW-2C, IRW-3C, and IRW-4C only.
CORPORATE
HEADQUARTERS
27700 SW Parkway Ave.
Wilsonville, OR 97070
PH: +1 877.773.3547
CHINA
RM 1613-16, Tower II
Grand Central Plaza
138 Shatin Rural Committee Rd.
Shatin, New Territories
Hong Kong
NASHUA
PH: +852 2792 8 955
9 Townsend West
Nashua, NH 06063
USA
PH: +1 603. 324.7611
EUROP E
Luxemburgstraat 2
2321 Meer
Belgium
PH: +32 ( 0) 36 65 5100
www.ir.com
NASDAQ: FLIR
Equipme nt described herein is subject to US ex port
regulat ions and may re quire a license prior to export.
Diversi on contrary to US law is p rohibited . Imager y for
illustration purp oses only. Sp ecic ations are subject to
change w ithout not ice. ©2017 FLIR Systems , Inc. All
rights reserved. 11/09/17
17- 3170 -IN S
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