Lamp and Ballast Dimensions

Lamp Dimensions:

Round –

40 W size – across – 5.9 inches (152 mm)         height – 3.27 inches (83 mm)
80 W size – across – 8.4 inches (214 mm)         height – 3.6 inches (93 mm)
120 W size – across – 10.7 inches (274 mm)   height – 3.6 inches (93 mm)

150 W size – across – 10.7 inches (274 mm)    height – 3.6 inches (93 mm)

200 W size – across – 12.3 inches (314 mm)     height – 4.0 inches (103 mm)

Rectangular -

40 W size – length – 7.08 inches(180 mm)    width – 4.8 inches (114 mm)   height – 3.2 inches (83 mm)

80 W size – length – 11.1 inches (282 mm)     width – 5.4 inches (138 mm)   height – 3.6 inches (93 mm)
120 W size – length – 13.8 inches (352 mm)    width – 5.4 inches (138 mm)   height – 3.6 inches (93 mm)

150 W size – length – 13.8 inches (352 mm)    width – 5.4 inches (138 mm)    height – 3.6 inches (93 mm)

200 W size – length – 17 inches (432 mm)    width – 5.7 inches (146 mm)    height – 4.5 inches (103 mm)
Ballast Dimensions:
Ballast – 40 W size – length – 8.38 inches (213 mm)    width – 3.7 inches (95.5 mm)    height – 2.28 inches (58 mm)
80 W size – same as 40 W (same as 40W)

120 W size – length – 9.3 inches (238 mm)    width – 4.0 inches (103.5 mm)    height – 2.4 inches (61 mm)

150 W size – length – 9.3 inches (238 mm)    width – 4.0 inches (103.5 mm)    height – 2.4 inches (61 mm)

200 W size – length – 9.3 inches (238 mm)    width – 4.7 inches (119.5 mm)   height – 2.8 inches (72.5 mm)

Self Ballasted (screw in) Dimensions:

Specifications

Type	Warr.	Lumens	Color Temp. K	Dim (mm)	Ext. Ballast Dim. (mm)
15W	5YR	750-900	2700-6500	W58.5xH160	L171xB46.5xH46(120/220/277V) L213xB72.5xH51(24/12V)
23W	5YR	1200-1400	2700-6500	W77.5xH178	L171xB46.5xH46(120/220/277V) L213xB72.5xH51(24/12V)
40W	5YR	2400-2800	2700-6500	W115xH246	L183xB46.5xH46(120/220/277V) L213xB95.5xH58(24/12V)