This is for one of a GE POWER SYSTEMS NE030DC48A 30V, 48A Rectifier. 21-30Vdc Input Voltage Range. 46-57Vdc Output Voltage Range. 1U Height, Hi Power Density. Extended Temperature Range. Fan cooling. Front Panel LED Indicators. Digital Load Sharing. RoHS compliant. Direct Solar Input. KEY FEATURES:

• AC Input Range: 21-30V
• DC Output Range: 46-57V
• Continuous/ Intermittent Amperage:1600A
• Size: 1.63x13.85 inch
• Crowbar and fold-back protection

These are used may have Light scuff's/scratches,ding's/dent's but all where removed in good working condition.
There a two type's but all the same model/part number.
Please note This is for only one Not all as seen in the last few pictures.
Thanks for looking!