The RAB LMH400Z is a 400-watt metal halide lamp designed for ED28-base luminaires. It delivers 40,000 lumens of bright output and has a 20,000-hour life, offering long service in compatible fixtures. The LMH400Z variant is a dedicated 400W option within RAB Lighting's metal halide lamp lineup, intended for installations that require an ED28-base replacement. Use in fixtures specified for ED28 base metal halide lamps ensures proper performance and compatibility.
