Parts Designation of Fuse Cutouts for Type CTF-A

Mechanical assist: Fuseholder is available with a torsional spring on trunnion to aid drop out operation in corrosive environments. Large nut to fasten fuselink without breaking strands

Table C1- Main Technical Parameter of Fuse Cutouts Type CTF-A

Manufacturer VECAS Type designation CTF-A Rated voltage (Ur) kV 10-15 15-27 24-27 27-33 33-36 36-38 Rated current (In) kA 100 200 100 200 100 200 100 200 100 200 100 200 1 Generalfeature Unit 1.1 -Housing materialPorcelain Porcelain Porcelain Porcelain Porcelain Porcelain Porcelain 2 Ratings & characteristics 2.1 Rated frequency Hz 50/60 50/60 50/60 50/60 50/60 50/60 2.2 -Interrupting capacity kA 10.0 12.0 10.0 12.0 8.0 10.0 6.3 8.0 6.3 8.0 6.3 8.0 3 Housing insulation level 3.1 -Power frequency withstand voltage (Dry) kV 40 40 45 45 65 65 70 70 72 72 75 75 3.2 Power frequency withstand voltage (Wet) kV 30 30 35 35 50 50 55 55 56 56 60 60 3.3 -Lightning impulse withstand voltage(BIL) kV 110 110 125 125 150 150 170 170 170 170 180 180 4 Creepage distance mm 250 250 350 350 530 530 700 700 720 720 850 850 5 Package data 5.1 -Net weight of each unit Kg 7.0 7.1 8.3 8.4 10.0 10.1 15.0 15.1 15.5 15.6 17.0 17.1 5.2 -Dimensions (1PC/CTN) cm 41x31x11 49x35x12.5 49x35x14 56x38x14.5 57x38x14.5 61x38x14.5 6 Figure No. Fig.C1 Fig.C2 Fig.C3/Fig.C4 Fig.C5 Fig.C6 Fig.C7

CTF-A Fuse Cutouts with NEMA Type B Mounting Bracket Dimensions

Voltage(kV)╲Dimensions(mm) A B C D 10-15 455 340 515 240 15-27 515 355 650 295 24-27 515 355 650 295 27-33 600 375 780 330 33-36 640 395 890 370 36-38 660 420 915 395

Table C2- Main Technical Parameter of Fuse Cutouts Type CTF-B

Manufacturer VECAS Type designation CTF-A Rated voltage (Ur) kV 10-15 15-27 24-27 27-33 33-36 36-38 Rated current (In) kA 100 200 100 200 100 200 100 200 100 200 100 200 1 Generalfeature Unit 1.1 -Housing materialPorcelain Porcelain Porcelain Porcelain Porcelain Porcelain Porcelain 2 Ratings & characteristics 2.1 Rated frequency Hz 50/60 50/60 50/60 50/60 50/60 50/60 2.2 -Interrupting capacity kA 10.0 12.0 10.0 12.0 8.0 10.0 6.3 8.0 6.3 8.0 6.3 8.0 3 Housing insulation level 3.1 -Power frequency withstand voltage (Dry) kV 40 40 45 45 65 65 70 70 72 72 75 75 3.2 Power frequency withstand voltage (Wet) kV 30 30 35 35 50 50 55 55 56 56 60 60 3.3 -Lightning impulse withstand voltage(BIL) kV 110 110 125 125 150 150 170 170 170 170 180 180 4 Creepage distance mm 250 250 350 350 530 530 700 700 720 720 850 850 5 Package data 5.1 -Net weight of each unit Kg 7.0 7.1 8.3 8.4 10.0 10.1 15.0 15.1 15.5 15.6 17.0 17.1 5.2 -Dimensions (1PC/CTN) cm 41x31x11 49x35x12.5 49x35x14 56x38x14.5 57x38x14.5 61x38x14.5 6 Figure No. Fig.C8 Fig.C9 Fig.C10/Fig.C11 Fig.C12 Fig.C13 Fig.C14

CTF-B Fuse Cutouts with NEMA Type B Mounting Bracket Dimensions

Voltage(kV)╲Dimensions(mm) A B C D 10-15 450 335 433 245 15-27 520 350 570 300 24-27 520 350 570 300 27-33 595 370 700 330 33-36 635 395 820 370 36-38 635 655 850 390