A mechanical arrangement (110; 210; 300; 320) of a multilevel power converter circuit, said mechanical arrangement (110; 210; 300; 320) comprising: a single phase-leg of a power converter, the phase-leg comprising: a first half-leg portion (148; 284; 304; 324) comprising a plurality of first switches and first control inputs, at least three direct current DC voltage inputs (6, 8, 10, 12, 14) and a first number of first DC link capacitors (138, 140, 142, 144; 272, 274, 276, 278; 310, 314; 322, 336, 340); and a second half-leg portion (146; 282; 302; 322) comprising a plurality of second switches and second control inputs, exactly one alternating current AC voltage output, and a second number of second DC link capacitors (139, 141, 143, 145; 273, 275, 277, 279; 312, 316; 334, 338, 342), wherein the second number is equal to the first number, and wherein the second DC link capacitors (139, 141, 143, 145; 273, 275, 277, 279; 312, 316; 334, 338, 342) are electrically connected in parallel with the first DC link capacitors (138, 140, 142, 144; 272, 274, 276, 278; 310, 314; 332, 336, 340) of the first half-leg portion (148; 284; 304; 324); wherein the second half-leg portion (146; 282; 302; 322) is physically split apart from the first half-leg portion (148; 284; 304; 324); and wherein the power converter has at least three levels corresponding to said at least three DC voltage inputs. a single phase-leg of a power converter, the phase-leg comprising: a first half-leg portion (148; 284; 304; 324) comprising a plurality of first switches and first control inputs, at least three direct current DC voltage inputs (6, 8, 10, 12, 14) and a first number of first DC link capacitors (138, 140, 142, 144; 272, 274, 276, 278; 310, 314; 322, 336, 340); and a second half-leg portion (146; 282; 302; 322) comprising a plurality of second switches and second control inputs, exactly one alternating current AC voltage output, and a second number of second DC link capacitors (139, 141, 143, 145; 273, 275, 277, 279; 312, 316; 334, 338, 342), wherein the second number is equal to the first number, and wherein the second DC link capacitors (139, 141, 143, 145; 273, 275, 277, 279; 312, 316; 334, 338, 342) are electrically connected in parallel with the first DC link capacitors (138, 140, 142, 144; 272, 274, 276, 278; 310, 314; 332, 336, 340) of the first half-leg portion (148; 284; 304; 324); a first half-leg portion (148; 284; 304; 324) comprising a plurality of first switches and first control inputs, at least three direct current DC voltage inputs (6, 8, 10, 12, 14) and a first number of first DC link capacitors (138, 140, 142, 144; 272, 274, 276, 278; 310, 314; 322, 336, 340); and a second half-leg portion (146; 282; 302; 322) comprising a plurality of second switches and second control inputs, exactly one alternating current AC voltage output, and a second number of second DC link capacitors (139, 141, 143, 145; 273, 275, 277, 279; 312, 316; 334, 338, 342), wherein the second number is equal to the first number, and wherein the second DC link capacitors (139, 141, 143, 145; 273, 275, 277, 279; 312, 316; 334, 338, 342) are electrically connected in parallel with the first DC link capacitors (138, 140, 142, 144; 272, 274, 276, 278; 310, 314; 332, 336, 340) of the first half-leg portion (148; 284; 304; 324); wherein the second half-leg portion (146; 282; 302; 322) is physically split apart from the first half-leg portion (148; 284; 304; 324); and wherein the power converter has at least three levels corresponding to said at least three DC voltage inputs.