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Current transformers for busbars LCTB.
| LCTB 45/21 (40) | LCTB 50/21 (30) | LCTB 50/30 (30) | LCTB 50/21 (50) | LCTB 50/30 (50) |
Hole diameter | Ø 20 mm | Ø 21 mm | Ø 26 mm | Ø 21 mm | Ø 26 mm |
Busbar dimension | 20 x 10 mm | 20 x 10 mm | 30 x 10 mm | 20 x 10 mm | 30 x 10 mm |
Depth | 40 mm | 31 mm | 31 mm | 51 mm | 51 mm |
Width | 45 mm | 50 mm | 50 mm | 50 mm | 50 mm |
Primary current | 50...400 A | 40...400 A | 75...600 A | 50...400 A | 50...600 A |
Secondary current | 1 A, 5 A | ||||
Accuracy class | 0,5; 1 | ||||
| LCTB 62/20 (40) | LCTB 62/30 (40) | LCTB 62/30 (50) | LCTB 62/40 (40) | LCTB 74/20 (45) |
Hole diameter | - | Ø 30 mm | Ø 28 mm | Ø 31 mm | Ø 20 mm |
Busbar dimension | 20 x 12 mm | 30 x 10 mm, 2 x 25 x 10 mm | 30 x 10 mm | 40 x 10 mm, 2 x 30 x 10 mm | 20 x 10 mm |
Depth | 40 mm | 40 mm | 50 mm | 40 mm | 45 mm |
Width | 62 mm | 62 mm | 62 mm | 62 mm | 74 mm |
Primary current | 50...400 A | 50...800 A | 40...800 A | 100...800 A | 30...400 A |
Secondary current | 1 A, 5 A | ||||
Accuracy class | 0,2S; 0,2; 0,5S; 0,5; 1 | ||||
| LCTB 74/30 (45) | LCTB 74/40 (45) | LCTB 74/50 (45) |
Hole diameter | Ø 26 mm | Ø 35 mm | Ø 41 mm |
Busbar dimension | 30 x 15 mm, 2 x 20 x 10 mm | 40 x 12 mm, 2 x 30 x 15 mm | 50 x 12 mm, 2 x 40 x 10 mm |
Depth | 45 mm | 45 mm | 45 mm |
Width | 74 mm | 74 mm | 74 mm |
Primary current | 30...800 A | 40...1000 A | 100...1000 A |
Secondary current | 1 A, 5 A | ||
Accuracy class | 0,2S; 0,2; 0,5S; 0,5; 1 | ||
| LCTB 86/40 (45) | LCTB 86/50 (45) | LCTB 86/60 (45) | LCTB 100/100V (45) | LCTB 100/130V (45) |
Hole diameter | Ø 36 mm | Ø 46 mm | Ø 51 mm | - | - |
Busbar dimension | 40 x 10 mm, 2 x 30 x 15 mm | 50 x 12 mm, 2 x 40 x 15 mm | 60 x 12 mm, 2 x 50 x 15 mm | 41 x 103 mm | 38 x 128 mm |
Depth | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm |
Width | 86 mm | 86 mm | 86 mm | 100 mm | 100 mm |
Primary current | 50...1000 A | 100...1250 A | 100...1600 A | 400...2500 A | 400...3000 A |
Secondary current | 1 A, 5 A | ||||
Accuracy class | 0,2S; 0,2; 0,5S; 0,5; 1 | 0,2; 0,5; 1 | |||
| LCTB 104/60 (45) | LCTB 104/80 (45) | LCTB 140/80 (45) | LCTB 140/100H (45) | LCTB 140/100V (45) |
Hole diameter | Ø 54 mm | Ø 65 mm | Ø 72 mm | Ø 86 mm | Ø 86 mm |
Busbar dimension | 60 x 12 mm, 2 x 50 x 15 mm, 2 x 40 x 20 mm | 80 x 12 mm, 2 x 60 x 15 mm, 2 x 50 x 25 mm | 80 x 30 mm, 2 x 60 x 25 mm | 100 x 30 mm, 2 x 80 x 25 mm, 2 x 70 x 30 mm | 100 x 30 mm, 2 x 80 x 25 mm, 2 x 70 x 30 mm |
Depth | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm |
Width | 104 mm | 104 mm | 140 mm | 140 mm | 140 mm |
Primary current | 100...1600 A | 200...2000 A | 200...2000 A | 200...4000 A | 200...3000 A |
Secondary current | 1 A, 5 A | ||||
Accuracy class | 0,2S; 0,2; 0,5S; 0,5; 1 | ||||
| LCTB 140/130V (45) | LCTB 225/125 (50) | LCTB 140/80 (45) |
Hole diameter | - | - | - |
Busbar dimension | 70 x 130 mm | 124 x 93 mm | 166 x 65 mm |
Depth | 45 mm | 50 mm | 50 mm |
Width | 140 mm | 225 mm | 225 mm |
Primary current | 400...5000 A | 600...6000 A | 1000...7500 A |
Secondary current | 1 A, 5 A | ||
Accuracy class | 0,2; 0,5; 1 | 0,2S; 0,2; 0,5S; 0,5; 1 | |
More on current transformer for busbar LCTB on Lumel website [EN]
