Schurter 0034.6611.
FUSE, PCB, 400mA, 250V, TIME DELAY; Fuse Current:400mA; Voltage Rating VAC:250VAC; Product Range:MST 250 Series; Voltage Rating VDC:125VDC; Blow Characteristic:Time Delay; Fuse Case Style:Radial Leaded; Breaking Capacity Current DC:-