131B0315 used Danfoss frequency inverter 0,37kW FC-302
131B0315 from Danfoss, this inverters are almost new and comes in the original pack
IN: 3x200-240 V 50/60Hz 2,2A
Out 3xVin 0-1000Hz 2,4A.
FC-302PK37T2E20H1XGXXXXSXXXXAXBXCXXXXDX