SCTK661 Series 0.333V Split Core Current Transformer 0.5-630A AC Input with 0.1% Accuracy
SCTK661 split-core current transformers feature easy retro-fit installation without circuit interruption. With 0.5-630A input range, 0.333V output, and 0.1% accuracy, these transformers are ideal for electrical monitoring, protection systems, and energy measurement applications across industrial and commercial settings.
SCTK661 Series split-core current transformers feature a retro-fit design for easy installation in both new and existing electrical networks. These transformers can be installed without interrupting cable or bus-bar circuits, with an internal precision resistor providing a safe 0.333V output voltage.
- Self-locking structure for safe, portable installation
- Split-core design with interleaved joint and hinge structure
- Wide inner window accommodates large cables and bus-bars
- Measurement range: 0.5-630A AC input, 0-0.333V/0-500mA output
- Compatible with single-phase and anti-tampering electricity meters
- Multiple mechanical dimensions for customized installations
- Reduces installation time and costs
Current measurement, monitoring, and protection for electrical wiring and equipment. Suitable for electric motors, lighting systems, air compressors, HVAC equipment, automation control systems, and relay protection devices.
| Parameter | Specification |
|---|---|
| Frequency | 50-60Hz |
| Rated Input | 0.5A-630A |
| Measuring Range | 10%In-130%In |
| Rated Output | 0.333V(AC) or 0-500mA |
| Ratio Accuracy | ≤±0.1% |
| Phase Angle | ≤±30min |
| Dielectric Strength | 2.5KV/1mA/1min |
| Insulation Resistance | DC500V/100MΩmin |
| Parameter | Specification |
|---|---|
| Case Material | PC / UL94-V0 |
| Bobbin Material | PC |
| Core Material | Permalloy |
| Internal Structure | Epoxy |
| Construction | Tie |
| Operating Temperature | －25℃～＋75℃ |
| Operating Humidity | ≤85% |
| Output Connection | UL1015 22AWG Wire (twisted wire) 2.5m |
| Model | Rated Input (A) | Output (mA/V) | Accuracy | Dimensions (mm/inch) |
|---|---|---|---|---|
| SCTK661A-008 | 0.5-50A | 0-50mA/0.333V | 0.2,0.5,1.0 | A:36.0(1.42), B:22.0(0.87), C:20.0(0.79), D:8.0(0.31), E:2500(100) |
| SCTK661B-013 | 1-100A | 0-100mA/0.333V | 0.2,0.5,1.0 | A:45.0(1.77), B:22.0(0.87), C:20.0(0.79), D:13.0(0.51), E:2500(100) |
| SCTK661C-019 | 5-250A | 0-200mA/0.333V | 0.2,0.5,1.0 | A:60.0(2.36), B:22.0(0.87), C:20.0(0.79), D:19.0(0.75), E:2500(100) |
| SCTK661D-023 | 5-400A | 0-200mA/0.333V | 0.2,0.5,1.0 | A:60.0(2.36), B:22.0(0.87), C:20.0(0.79), D:23.0(0.91), E:2500(100) |
| SCTK661E-032 | 10-630A | 0-500mA/0.333V | 0.2,0.5,1.0 | A:76.0(2.99), B:22.0(0.87), C:20.0(0.79), D:32.0(1.26), E:2500(100) |
Recommended Products
