Runway and Taxiway Inset Lights
IRTL
Inset Runway Threshold Light
Compliances:
FAA AC 150/5345-46: L-850E
Applications
Ordering Information
The IRTL is a medium intensity unidirectional light
(using two 62 W lamps). This fixture is used on
runways where the threshold lighting is co-located
and where it is impractical to use an elevated light.
Features
8 5 0 E 6 – G
Fixture Type:
Color:
G=Green (Straight beam)*
ƒƒ ETL Certified
ƒƒ Low profile, < .5” (12mm) – FAA Style 2
ƒƒ Low power consumption
* For fixtures which require toe-in or other color, please consult factory.
ƒƒ Few parts to stock
ƒƒ Easy to maintain – no sealant required for prism
replacement
ƒƒ Pressure test plug for seal integrity verification
ƒƒ Long lamp life – Quartz Halogen, 62 W, 6.6 A
ƒƒ High-strength forged aluminum
Outline Drawing
Dimensions:
inches
(mm)
Instruction Manual:
Shipping Weight:
Shipping Volume:
2810
O-RING
LENS
GASKET
LENS
LAMP
0.5 (12)
1.25
(32)
0.75
(19)
17.0 lbs.
7.7 kg
0.6 cu. ft.
0.04 m3
5.68
(144)
11.94 (303)
1.20
www.chalp.com
Typical Photometric Data
5,000 CD MINIMUM REQUIRED
(ACTUAL MINIMUM = 5,872 CD SHOWN)
1,000 CD
2,000 CD
12
VERTICAL ANGLE
2,500 CD
5,000 CD
8
4
0
-8
-4
0
HORIZONTAL ANGLE
4
8
CD = CANDELAS (GREEN LIGHT)
L-850E Inset Runway Threshold Light – Green
Accessories
Catalog Number
Item Description
Catalog Number
Item Description
AC24242Q200303 33004
33005
33006
33007
19999
Base: L-868B, Class I, 24˝ Deep
823KP-D4-D4
Isolation Transformer – 100 W, 6.6/6.6 A
10047-2154
Isolation Transformer – 100 W, 20/6.6 A
10047-1425
Isolation Transformer – 200 W, 6.6/6.6 A
21151
Isolation Transformer – 200 W, 20/6.6 A
Lifting Tool
Connector Kit – L-823, 8 AWG, .32˝ to .43˝ O.D.
Heat Shrink Kit – 1 Piece
Heat Shrink Kit – 2 Piece
Adapter Ring – 15˝ L-868D Base (11.25˝ bolt
circle to 14.25˝ bolt circle)
Part Number
Description
Part Number
Description
21169
21480-G
Lamp – 62 W, 6.6 A
Lens Replacement Kit – Green
10035-33-273
O-Ring – Bottom Cover
Renewal Parts
Note:
1. Lens Replacement Kit includes lens, lens boot, lens retaining gasket, gasket lubricant, and lens retaining bracket and screws.
Home Office: United States – 860-683-4300
International Offices: Canada • China • Dubai • Mexico
Revised - 8/10
1.21