Amendment implemented to include Set Aside Code from N/A to Total Small Business Set Aside and to change NAICS code from 423610 to 335311. Brand name or equal to, B7-P-50-3-42-JD-225, New items only, no remanufactured items allowed, Hazardous location power panelboards, Explosion proof, Panel type ? Power ? Top feed, 480 VAC, 3 phase, Number of branches ? 42, Branch breaker pole rating ? single pole breaker, Branch breaker ampere rating ? 20 amps, Mains ? JD (600 V max), Mains power rating ? 225 amp, Electrical rating ? 4 wire with solid neutral up to 600 VAC, Enclosure material ? Aluminum, Minimum rating of ? Class II, Div. 1 and 2, Groups E, F, GB7-L-50-3-42-ED-225, New items only, no remanufactured items allowed, Hazardous location lighting panelboards, Explosion proof, Panel type ? Power ? Top feed, 208 VAC, 3 phase, Number of branches ? 42, Mains ? ED (250 V max), Mains power rating ? 225 amp, Electrical rating ? 4 wire with solid neutral up to 250 VAC, Enclosure material ? Aluminum, Minimum rating of ? Class II, Div. 1 and 2, Groups E, F, G