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Professional split-core current transformer SCT-013 designed for non-invasive AC current measurement. Perfect integration with RBgrid SDK and RBgrid App. The transformer clips around a single wire without breaking the circuit, providing safe and convenient current monitoring for existing installations. Connects via SCT adapter module (sold separately).
Available Models and Specifications
| Model | Current Range | Output Type | Output | Burden Resistor | SKU |
| SCT-013-005 | 0-5A | Voltage | 0-1V | Built-in | RB-SCT-005 |
| SCT-013-010 | 0-10A | Voltage | 0-1V | Built-in | RB-SCT-010 |
| SCT-013-015 | 0-15A | Voltage | 0-1V | Built-in | RB-SCT-015 |
| SCT-013-020 | 0-20A | Voltage | 0-1V | Built-in | RB-SCT-020 |
| SCT-013-030 | 0-30A | Voltage | 0-1V | Built-in | RB-SCT-030 |
| SCT-013-050 | 0-50A | Voltage | 0-1V | Built-in | RB-SCT-050 |
| SCT-013-060 | 0-60A | Voltage | 0-1V | Built-in | RB-SCT-060 |
| SCT-013-100 | 0-100A | Voltage | 0-1V | Built-in | RB-SCT-100 |
General Specifications:
- Measurement type: AC current only (RMS with rbpower)
- Turns ratio: 1:2000
- Frequency range: 50Hz - 1kHz
- Accuracy: ±1% (10%-120% of rated current)
- Phase error: ≤2° at 50Hz
- Core material: Ferrite
- Opening diameter: 13mm
- Cable length: 1m
- Connector: 3.5mm stereo jack
- Operating temperature: -25°C...+70°C
- Dielectric strength: 3kV AC/1min
- Fire resistance: UL94-V0
Design Features
- Split-core design - Easy clip-on installation without disconnecting wires
- Non-invasive measurement - No electrical contact with measured circuit
- Complete isolation - Safe measurement of high voltage circuits
- Flexible cable - 1m shielded cable with 3.5mm jack
- Wide opening - 13mm aperture fits most household and industrial cables
- Robust housing - ABS plastic with secure snap-lock mechanism
- Factory calibrated - Ready for accurate measurements
Connection
Physical Installation:
- Open the transformer core using the clip mechanism
- Place around a single current-carrying wire (L or N, not both)
- Ensure complete closure for accurate readings
- Orient according to arrow marking for correct polarity
IMPORTANT:
- Measure only ONE conductor (L or N), never both
- Use appropriate 3.5mm jack adapter module with built-in conditioning circuit
Software Integration
Configuration via RBgrid Web App:
- Navigate to Sensors configuration page
- Select "SCT-013" and choose your model variant
- Specify the GPIO pin connected to adapter output
Technical Advantages
- Safety first - Complete galvanic isolation from measured circuit
- Easy retrofit - Install without rewiring or power interruption
- High accuracy - ±1% across wide measurement range
- Low phase shift - Accurate power factor measurements
- Temperature stable - Minimal drift over operating range
- Wide compatibility - Works with cables up to 13mm diameter
Applications
Energy Monitoring
- Home energy management systems
- Solar PV system monitoring
- Individual appliance consumption tracking
- Load balancing and optimization
Industrial Applications
- Motor current monitoring
- HVAC system control
- Production line monitoring
- Preventive maintenance systems
Smart Building
- Circuit breaker monitoring
- Sub-metering systems
- Peak demand management
- Energy audit tools
IoT Projects
- Smart plugs and outlets
- Remote monitoring systems
- Energy dashboards
- Predictive analytics
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