10 kVA Kjellberg Plasma Cutter CUTi 31 Teardown

A teardown of a Kjellberg CUTi 31 Plasma Cutter with a power rating of 10 kVA. Made for cutting in 25-30 mm steel.

Connecting voltage (V): 3x 400VAC
Connecting power (kVA) 10.4
Mains fuse, slow(A) 16
Open circuit voltage (V) 240
Cutting current (A) 20…70
Duty cycle 70A/35% or 50A/100%

Mads Barnkob

Electrician, programmer, experimenter and amateur scientist with experience in industry automation, programming and all kinds of high voltage generating electronics. Administrator of https://kaizerpowerelectronics.dk and the high voltage community forum https://highvoltageforum.net

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