Lightolier C4P20MHGD Folheto

Calculite

®

HID Lensed Downlight

Page 1 of 2

4 1/2” Aperture, PAR20 Ceramic Metal Halide, Glasslite 

1 1/8" (29 mm) max.
Ceiling Thickness

4-1/8 (105 mm) Dia.

5-1/2" (140 mm) Dia.

8" (203 mm)

Vertical Adjustment: 

3/4" (25 mm) to 

2 7/8" (73 mm)

5/8" (16 mm)

13-7/8" (352 mm)

20" (508 mm) to
30" (762 mm)

8-1/8" (206 mm)

15" (381 mm)

10" 

(254 mm)

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) • A0504

1. Glasslite Trim: One piece borosilicate etched glass with integral flange,

emits a soft, subtle glow. Hinged, and snaps onto lamp-holder assembly for
easy tool-less installation.

2. Lamp Holder: Unitized construction assures proper alignment of lamp to

optics for consistent optical performance.

3. Socket: Medium base porcelain pulse rated socket with nickel plated

screwshell. 

4. Frame Housing: Steel, 0.029" (22-Ga.), matte black finish, includes pre-

installed mounting bars.

5. Frame Vertical Adjustment Mechanism: Accommodates mounting to vir-

tually any ceiling system using pre-installed mounting bars, or 1/2" EMT tub-
ing (by others). Single locking feature secures all adjustments. Alignment
holes and markings allow fixture to be pre-set prior to installation. Final
adjustment can be made from below from inside fixture. 

6. Mounting Bars: Galvanized steel, 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.

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

installation.

8. Ballast / Cover Assembly: Accessible from below and removable without

tools for inspection and ballast replacement .

9. Junction Box: 0.059" (16-ga.) galvanized steel. UL listed for 8 No. 12 AWG,

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

10. Optional Accessory Holder: Catalog # CAH4 Sold separately; die-formed

steel, matte black finish, slide-in installation. Accepts up to two 3 3/4" dia.
media.

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

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

Electronic Ballast: 120V or 277V, 50/60 Hz. encased, high power factor, T.H.D.
<15%, thermally and transient protected, RMI/RFI complies with FCC part 18
non-consumer limits, shut-down circuit at end of lamp life, sound rating "A", 
-5° F minimum starting temperature, Type 1 Outdoor rating.

39W MH

M130

120/277

0.39/0.17

44

Chicago Plenum: Consult Factory.

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

Ceiling Cutout: 5 1/8” (130 mm) Dia.

Etched glass with matching flange.

C4A39P20E1 Electronic 120V

39W PAR20

Ceramic MH

C4A39P20E2 Electronic 277V

39W PAR20 

Ceramic MH