TVA Obstruction, Approach and Boundary Luminaires
VISUAL SIGNAL: NEC/CEC ENCLOSED AND GASKETED
© May 2016
For use with Threaded Rigid Metal Conduit and IMC.
CEC:
Listed for Ordinary (Unclassied) Locations
CEC –Optional:
Class I, Division 2 versions are avaialble
Applications
• Transport Canada approved TVA490 series low intensity
obstruction, approach or boundary light.
• TVA490 series obstruction lights are suitable for use on
communication towers or other tall structures and buildings.
Features
• TVA obstruction lights are available with one or two lamps.
• Models are equipped with rainports in the globe holder which
keeps the wiring chamber dry.
• TVA obstruction lights are rugged cast aluminum construction.
• Two lamp xtures are furnished with pre-wired sockets.
• Utilizes Type A-21, 116 W clear trafc signal lamp.
• A corrosion resistant nish protects TVA xtures. TVA490
obstruction lights are approved for use by Transport Canada.
• Engineered for easy and safe maintenance, TVA490 xtures are
serviced without tools:
(1) The globe holder is secured with a captive thumb screw
(2) a one-eighth turn twist removes the globe and globe holder
(3) the assembly is hung from a safety chain freeing both hands
• Fresnel glass lenses and three lamp holder positions permit
use of TVA490 xtures on structures below 15.2 meters
(50 feet), from 15.2 to 30.5 meters (50 to 100 feet), and over
100 feet/30.5 meters.
• A plugged 1" side hub and a 1-1/4" bottom hub provide
conduit entry.
• Transfer and failure alarm relays for both one and two
lamp xtures.
• Pilot light assembly contains a red pilot light to indicate lamp
failure.
Standard Materials
• TVA bodies: copperfree (4/10 of 1% max.) aluminum
• Lamp holders: porcelain
• Transfer and failure alarm, pilot light assembly: ferrous alloy
enclosure
• Supply wire requirement: +90 ºC (+194 °F)
Standard Finish
• TVA490: international orange epoxy clad nish
• Transfer failure alarm, pilot light assembly: triple coat – (1) zinc
electroplate, (2) chromate and (3) aluminum polymer enamel
Options
• Class I, Division 2 versions are avaialble. Contact your local
sales representative for details.
CEC Certifications and Compliances
• CSA Standard: C22.2 No. 250
• CSA Certied: 009349
TVA 1490
TVA 2490
573
TVA Obstruction, Approach and Boundary Luminaires
VISUAL SIGNAL: NEC/CEC ENCLOSED AND GASKETED
© May 2016
For use with Threaded Rigid Metal Conduit and IMC.
CEC:
Listed for Ordinary (Unclassied) Locations
TVA490 Obstruction, Approach and Boundary Lights
Type A-21 Clear Traffic Signal Light 116 W
One Lamp Fixtures
Obstruction with Red Globe — 1 TVA1490
Approach with Yellow Globe — 1 TVA1490Y
Boundary with Clear Globe — 1 TVA1490C
One Lamp Haz. Loc. Fixtures
Obstruction with Red Globe — 1 TVA1490H
Approach with Yellow Globe — 1 TVA1490YH
Boundary with Clear Globe — 1 TVA1490CH
Two Lamp Fixtures
Obstruction with Red Globe 1
Approach with Yellow Globe 1
Boundary with Clear Globe 1
Two Lamp Haz. Loc. Fixtures
Obstruction with Red Globe 1
Approach with Yellow Globe 1
Boundary with Clear Globe 1
TVA490 Replacement Parts
Mounting Fittings
With Globe Holder and Lamp Socket
Single Lamp — 1 TVA1400
CEC –Optional:
Class I, Division 2 versions are avaialble
Description
Hub Size (Inches)
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
Catalog NumberSide Bottom
TVA2490
TVA2490Y
TVA2490C
TVA2490H
TVA2490YH
TVA2490CH
Two Lamp 1 1-1/4 TVA2400
Globes
Fresnel
Red V-990R
Aviation yellow V-990Y
Clear V-990C
Lamp Socket
Porcelain — Medium Base V-1025
Globe Gasket
Neoprene V-2055G
Wiring Chamber Cover
Cover assembly for two lamp fixture wiring
chamber. With gasket and screws
To order with 1/4" to 1" reducer in the bottom hub add suffix -RB100.
574
V-2010