SCTK731 Series Electrical High Frequency Split Core Steel Current Transformers with 5 to 5000A input
Application
SCTK731 series retro-fit (split-core) current transformer has been speciallydesigned to facilitate their installation in new or already existing net works. They may be installed without opening any cable or bus-bar circuit. An internal precision resistor across the secondary winding of the CT provides a low safe
voltage output. It can save time and the installation costs.
Current measurement, monitoring and protection for electrical wiring and equipment.Current and power measurement for electric motors, lighting, air compressor,heating and ventilation system, air-condition equipment and automation control system.Current , power and energy monitoring device.
Feature
Electrical Parameter
| Frequency | 50-400Hz |
| Rated Input | 5A-5000A |
| Measuring range | 5%In-130%In |
| Rated Output | 0-5A |
| Ratio | ≤ ± 0.5% |
| Phase angle | ≤ ±30min |
| Dielectric strength | 2.5KV/1mA/1min |
| Insulation Resistance | DC500V/100MΩmin |
Mechanical Parameter
| Case | PC /UL94-V0 |
| Bobbin | PC |
| Core | Silicon steel |
| Internal structure | Epoxy |
| Construction | Screw |
| Operating Temp | －25℃～＋75℃ |
| Operating Humidity | ≤85% |
| Output Connection | Terminal |
Type selection
| P/N | Rated Input (A) | Output (A) | Accuracy | Dimensions(mm) | |||||||||
| A | B | C | D | E | F | G | H | I | |||||
| SCTK731A(23) | 100-400A | 1A/5A | 0.5,1.0,3.0 | 20 | 30 | 50 | 88 | 104 | 34 | 41 | 40 | 31 | |
| SCTK731B(58) | 250-1000A | 1A/5A | 0.5,1.0,3.0 | 50 | 80 | 78 | 114 | 145 | 32 | 32 | 33 | 33 | |
| SCTK731C(88) | 250-1000A | 1A/5A | 0.5,1.0,3.0 | 80 | 80 | 108 | 144 | 145 | 32 | 32 | 33 | 33 | |
| SCTK731D(812) | 500-1500A | 1A/5A | 0.5,1.0,3.0 | 80 | 120 | 108 | 144 | 185 | 32 | 32 | 33 | 33 | |
| SCTK731E(814) | 600-5000A | 1A/5A | 0.5,1.0,3.0 | 80 | 140 | 122 | 176 | 228 | 47 | 47 | 53 | 38 | |
| SCTK731F(816) | 800-5000A | 1A/5A | 0.5,1.0,3.0 | 80 | 160 | 120 | 176 | 246 | 48 | 48 | 53 | 38 | |
| SCTK731G(36) | 100-3000A | 1A/5A | 0.5,1.0,3.0 | 30 | 60 | 88 | 132 | 131 | 49 | 36 | 55 | 43 | |
| SCTK731H(513) | 100-4000A | 1A/5A | 0.5,1.0,3.0 | 55 | 130 | 80 | 125 | 195 | 35 | 30 | 53 | 35 | |
Notes: Product specifications can be customized
