Denki Keiki Co.
Denki Keiki Co., Ltd. Current Transformer For Instruments
Manufacturer: Denki Keiki Co., Ltd.
Model: Current Transformer For Instruments
Features
- Low-voltage through-type transformers are available in resin cases or as resin-molded products.
- This series has a very compact structure, allowing for the integration of multiple units into a single unit.
- We also offer various other types, including composite current transformers, auxiliary current transformers, and IEC standard products.
◆Round Through Type Current Transformer
| Type | Model | Primary current (A) | Volume | A.T. | Secondary current (A) | Rated load (VA) | Hardness grade |
| CW30-15L | 40～300 | Φ30 | 200, 225, 250 | 5 | 15 | 1.0 | 1.4 |
| CW30-40L | 40～300 | Φ30 | 200, 225, 250 | 5 | 40 | 1.0 | 1.3 |
| CW40-40L | 300～500 | Φ40 | 300, 400, 500 | 5 | 40 | 1.0 | 2.0 |
| EC110-40LS | 1000～3000 | Φ110 | 1000, 1200, 1500 | 5 | 200 | 1.0 | 4.0 |
| EC160-40S | 2000～5000 | Φ160 | 2000, 2500, 3000, 3500, 4000, 4500, 5000 | 5 | 250 | 1.0 | 6.5 |
◆Square Through Type Current Transformer
| Type | Model | Primary Current (A) | Window Size | Secondary Current (A) | Rated Load (VA) | Accuracy Class | Weight (kg) | Remarks |
| CW55-40LSB | 400～1000 | 16 × 55 | 5 | 40 | 1.0 | 1.3 | With Phenolic Resin Case | Copper Wires, Lead, Horizontal, Multipurpose, Steel Band Mounting Type |
| CW80-40LSB | 600～2000 | 30 × 80 | 5 | 40 | 1.0 | 1.4 | With Phenolic Resin Case | Copper Wires, Lead, Horizontal, Multipurpose, Steel Band Mounting Type |
| EC-40LS | 2000～3000 | 50 × 105 | 5 | 40 | 6.5 | 6.5 | With Phenolic Resin Case | Copper Wires, Lead, Horizontal, Multipurpose, Steel Band Mounting Type |
| EC-40LS | 3000～5000 | 50 × 160 | 5 | 40 | 9.5 | 9.5 | With Phenolic Resin Case | Copper Wires, Lead, Horizontal, Multipurpose, Steel Band Mounting Type |
| EC-40LS | 5000～7500 | 50 × 220 | 5 | 40 | 11.0 | 11.0 | With Phenolic Resin Case | Copper Wires, Lead, Horizontal, Multipurpose, Steel Band Mounting Type |
◆CW30-15L/CW30-40L/CW40-40L
| Model (VA) | A | B | C | D | E | F | H | CH | Primary Current (A) | Weight (kg) |
| CW30-15L 15VA | 72 | 74 | 40 | 35 | 90 | 91 | 55 | 200 | 5T 200 | 0.8 |
| CW30-15L 15VA | 82 | 90 | 64 | 40 | 85 | 100 | 101 | 250 | 4T 225 | 0.8 |
| CW30-40L 40VA | 82 | 90 | 64 | 45 | 85 | 100 | 115 | 250 | 5T 250 | 1.4 |
| CW40-40L 40VA | 84 | 92 | 64 | 60 | 100 | 110 | 120 | 300 | 4T 300 | 1.3 |
◆EC110-40LS/EC160-40LS
| Primary Current (A) | Model (VA) | Load (VA) | A | C | D | E | G | H | CH | Weight (kg) |
| 1000～3000 | EC110-40LS | 1×40 | 175 | 100 | 120 | 110 | 60 | 195 | 95 | 4.0 |
| 1000～3000 | EC110-40LD | 2×40 | 175 | 100 | 180 | 110 | 120 | 195 | 95 | 8.0 |
| 1000～3000 | EC110-40LT | 3×40 | 175 | 100 | 240 | 110 | 180 | 195 | 95 | 12 |
| 2000～5000 | EC160-40LS | 1×40 | 235 | 160 | 180 | 160 | 60 | 255 | 125 | 6.5 |
| 2000～5000 | EC160-40LD | 2×40 | 235 | 160 | 180 | 160 | 120 | 255 | 125 | 13 |
| 2000～5000 | EC160-40LT | 3×40 | 235 | 160 | 240 | 160 | 180 | 255 | 125 | 19.5 |
◆CW55-40LSB/CW80-40LSB
| Primary Current (A) | Model (VA) | Load (VA) | A | D | E | F | M | T | Weight (kg) |
| 400～1000 | CW55-40LSB | 1×40 | 105 | 80 | 70 | 55 | 16 | 50～13 | 1.3 |
| 400～1000 | CW55-40LDB | 2×40 | 105 | 130 | 70 | 55 | 16 | 50～13 | 2.6 |
| 400～1000 | CW55-40LTB | 3×40 | 105 | 180 | 70 | 55 | 16 | 50～13 | 3.9 |
| 600～2000 | CW80-40LSB | 1×40 | 125 | 80 | 80 | 30 | 65 | 6～20 | 1.4 |
| 600～2000 | CW80-40LDB | 2×40 | 125 | 130 | 80 | 30 | 65 | 6～20 | 2.8 |
| 600～2000 | CW80-40LTB | 3×40 | 125 | 180 | 80 | 30 | 65 | 6～20 | 4.2 |
◆CW55-40LS/CW80-40LS
| Primary Current (A) | Model (VA) | Load (VA) | A | D1 | D2 | D3 | E | F | G | H | CH | C |
| 400～1000 | CW55-40LS | 1×40 | 105 | 80 | 130 | 55 | 16 | 50 | 130 | 60 | 60 | 1.3 |
| 400～1000 | CW55-40LD | 2×40 | 105 | 130 | 180 | 55 | 16 | 50 | 130 | 60 | 60 | 2.6 |
| 400～1000 | CW55-40LT | 3×40 | 105 | 180 | 240 | 55 | 16 | 50 | 130 | 60 | 60 | 3.9 |
| 600～2000 | CW80-40LS | 1×40 | 125 | 80 | 130 | 80 | 30 | 65 | 150 | 70 | 70 | 1.4 |
| 600～2000 | CW80-40LD | 2×40 | 125 | 130 | 180 | 80 | 30 | 65 | 150 | 70 | 70 | 2.8 |
| 600～2000 | CW80-40LT | 3×40 | 125 | 180 | 240 | 80 | 30 | 65 | 150 | 70 | 70 | 4.2 |
◆EC-40LS
| Primary Current (A) | Model | Load (VA) | A | B | C | D | E | F | G | H | J | CH1 |
| 2001~3000 | EC-40LS | 1×40 | 180 | 125 | 100 | 105 | 50 | 65 | 240 | 120 | 120 | |
| EC-40LD | 2×40 | 180 | 190 | 165 | 105 | 50 | 130 | 240 | 140 | 120 | 12.5 | |
| EC-40LT | 3×40 | 180 | 255 | 230 | 100 | 50 | 195 | 240 | 120 | 115 | 18.5 | |
| 3001~5000 | EC-40LS | 1×40 | 235 | 125 | 160 | 160 | 50 | 65 | 240 | 120 | 196 | 120 |
| EC-40LD | 2×40 | 235 | 190 | 165 | 105 | 50 | 130 | 240 | 120 | 115 | 18.5 | |
| EC-40LT | 3×40 | 235 | 255 | 220 | 100 | 50 | 195 | 240 | 120 | 115 | 26.5 | |
| 5001~7500 | EC-40LS | 1×40 | 295 | 125 | 160 | 160 | 50 | 65 | 240 | 120 | 255 | 120 |
| EC-40LD | 2×40 | 295 | 190 | 165 | 105 | 50 | 130 | 240 | 120 | 115 | 21.5 | |
| EC-40LT | 3×40 | 295 | 255 | 220 | 100 | 50 | 195 | 240 | 120 | 115 | 31.0 |
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