4vacon • 20 Active Front End (AFE)Tel. +358 (0) 201 2121 • Fax +358 (0)201 212 205Figure 8. Vacon Active Front End Single Unit connections11169.emfUUVVWWL1L2L3L1L2L3L1 L2 L3+LCL-U1+AFE-U1NXA XXXXXPEAPOFB+ B--F2,1-X1-R -R11 12 23 4-X1-K3-V3+ -4 5 61 2 31 2 32 4 62 4 61 3 51 3 5-Q34 5 64 5 61 2 31 2 3PEDC+DC-32-K1-F1,1-Q1-Q22122Double InsulatedDouble InsulatedMain Circuit