NEC single output inverter 65PWB31-B. Alternate for 65PWB31-A, 65PWB31-B, 65PWB31-D, 65PWC31-A, LS655-RH, 15327A-CFL, S-11331C, HIU-505, HIU-505A, HPC-1386A, HPC-1386C, 65PWC31-B. Used in many industrial and medical applications including Yaskawa Motoman NX100 Series Teach Pendants, Philips M3046A M4 Patient Monitor and Siemens SC6002XL Patient Monitor.