Lightolier C9E28VW Fascicule

Calculite

®

HID Downlight 

Page 1 of 2

9" Aperture, ED28 (Enclosed) Metal Halide, Wide Beam

Job Information

Type:

Job Name:
Cat. No.:

Lamp(s):
Notes:

a Genlyte Thomas Company

www.lightolier.com

631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
We reserve the right to change details of design, materials and finish.
© 2004 Genlyte Thomas Group LLC (Lightolier Division) • AO5O4

Specular Clear, White Painted Flange.

Specular Clear, Matching Flange.

Comfort Clear Diffuse, White Painted Flange.

Comfort Clear Diffuse, Matching Flange.

Champagne Bronze, White Painted Flange.

Champagne Bronze, Matching Flange.

Magnetic Pulse Start, 120V/277V

175W ED28, BT28 (Enclosed), PS MH 

Magnetic Pulse Start, 120V/277V

250W ED28, BT28 (Enclosed), PS MH 

Magnetic, 120V/277V

175W ED28, BT28 (Enclosed), MH

Magnetic, 120V/277V

250W ED28, BT28 (Enclosed), MH

1. Upper Reflector: Clear anodized aluminum, 0.040" (16-ga.). Provides 

narrowbeam optics. Also available in narrow and medium beam, see
C9E28VN specification sheets.

2. Aperture Cone: Specular Clear low iridescence finish. Low brightness with

40° cut-off to lamp and lamp image. Self-flanged with painted white or 
aperture matching polished flange. Consult factory for other finishes.

3. Lamp Shield: High-temperature glass as required by code, captive 

during re-lamping. 

4. Socket Cup: Heat dissipating, die-cast aluminum, pre-wired with mogul base

porcelain socket with nickel plated screw shell. Postive locking attachment
without tools to reflector assures proper optical alignment of lamp. 

5. Mounting Frame: 0.048" (18-ga.) galvanized steel. Includeds pre-installed

mounting bars.

6. Mounting Ring: 0.048"(18-ga.) galvanized steel. Designed for vertical 

adjustment from above or below for ceilings from 0" to 2" thick. Center-line
notches allow consistent alignment of multiple fixtures.

7. Retention Springs: Rust resistant springs secure cone for quick, tool-less

installation.

8. Frame Vertical Adjustment: Vertical adjustment mechanism accommodates

mounting to virtually any ceiling system using mounting bars (provided, or 1/2"
EMT tubing (by others). Single locking feature secures all adjustments.
Alignment holes and markings allow fixture to be preset prior to installation. 

9. Mounting Bars: 0.048" (18-ga.) pre-installed, telescoping bars extend to 30" long

and lock securely into position. Built-in locking tabs provide positive attachment
to common T-bar systems. Self-centering feature simplifies installation in 24" O.C.
grid systems. Attaches to steel or wood joists without accessories.

10.Ballast Assembly: Ballast and mounting plate on mounting bars secured

with thumb screw. Ballast assembly is accessible from below without tools
for inspection and replacement.

11. Junction Box: 0.048" (18-ga.) galvanized steel. UL listed for 8 No. 12 AWG,

90°C through branch circuit conductors. Allows inspection from below. 

12. Thermal Protector: (Not Shown) Meets NEC and UL requirements. Do not

install insulation above nor within 3" (76mm) of any part of the luminaire.

Magnetic Ballast: 120/277V dual voltage, 60 Hz., encased and potted, CWA or
Super CWA (pulse start) circuit type, high power factor, sound rating “B” (175W
and 250W PS)/sound rating “C” (others), -20°F minimum starting Temperature,
Type 1 Outdoor rating.

175W PS MH

M137

120/277

2.20/0.90

205

250W PS MH

M138

120/277

2.80/1.20 

290

175W MH

M57

120/277

2.00/0.90

205

250W MH

M58

120/277

2.60/1.10

290

Auxiliary: Add suffix A to Frame-In Kit and Reflector Trim. See Spec.Sheet ”A“.
Emergency: Add suffix E to Reflector Trim and Frame-In Kit. See Spec. Sheet “E”.
Slope Ceiling Adapters: See Specification Sheet SCA. 
Fuse (magnetic ballast): Add suffix F1 or F2 to Frame in Kit (F1=120V, F2=277V).
Chicago Plenum: Consult Factory.

UL (Suitable for Damp Locations), CSA, I.B.E.W.

Ceiling Cutout: 10 1/16” (256mm) Dia.