Osram Sylvania Standard Metalarc Metal Halide lamps are an economical choice for a high efficacy, long life, white light source. Sylavania Standard Metalarc "Metal Halide" lamps are offered in a range of wattages from 175 to 1500 watts. This family of  Metal Halide lamps allows for design flexibility with multiple light source solutions to choose from. Lamps with universal operating position allow for a wider range of applications. In addition, METALARC lamps have significantly higher efficacy than mercury vapor or incandescent and considerably better CRI than mercury vapor and high pressure sodium.

Key Features & Benefits - Broad range available — up to 1500W - Well-balanced white light, available in 3000K and 4000K correlated color temperature - Multiple choices allow design flexibility - Low initial costs - Universal operating position on most types - Lead-free welded base and leadfree glass - Durable mount structure and lamp construction - Available in clear and coated - Good CRI

Arc Length (in)	1.77
Base	E39 Mogul Screw
Bulb Type	High Intensity Discharge Bulbs (HID)
Color Rendering Index (CRI)	65
Color Temperature (K)	4000
Diameter (in)	4.6
Family Brand Name	Metalarc®
Fixture Requirement	S
Hot Restrike Time (MIN)	7-12
Initial Lumens (LM)	32000
Lamp Finish	Clear
Light Center Length - LCL (in)	7
Maximum Base Temperature (F)	482
Maximum Bulb Temperature (F)	752
Maximum Overall Length (in)	11.5
Mean Lumens (LM)	20500
Operating Position	Universal
Rated Life (Hours)	15000
Shape	BT37
Voltage (V)	135
Voltage (V)	135
Wattage (W)	400
Watt (W)	400W
Warm Up Time (MIN)	2-4