The item number is: 953 204.
Dehn
SUPPRESSOR:TYPE SURGE,2 POLE,VOLTAGE 120VAC/150VDC,CURRENT 25 A,DP66 X H18 X W90 MM,THERMOPLASTIC,FREQUENCY 50/60 HZ,MODEL NUMBER:DR M2P150,MFR:DEHN SE+CO
DRAWING:K019-000-MA-032,TAG/EQUIP NO:MC-3310A/B,EQUIP DESCR:NITROGEN AIR COMPRESSOR CONTROL PANEL