The NTCB-EU from RME is a robust and light-weight switching power supply in european format. A good replacement or backup.
Specifications:
Input: 100V-240V AC~ 50/60 Hz 0,5 A,
Compatibility: Multiface, Multiface II, Digiface, HDSP RPM, ADI-2, ADI-4DD, QuadMic, OctaMic(OctaMic D) and Fireface 400.
Links to unit models: