3-Phase Current Transformer
The Model 276B3-500 3-Phase Current Transformer provides essential current measurement capabilities for industrial and commercial power systems. Engineered for precision, it accurately monitors currents within a 50 to 1200 amp range, making it suitable for various load profiles. Its operational frequency range of 25 to 400Hz ensures compatibility with diverse electrical infrastructures. This unit is UL Recognized and CSA Certified, affirming its adherence to established safety and performance benchmarks. With an accuracy of ±1% at 60Hz for currents exceeding 100 amps, it supports reliable data collection for energy management and system diagnostics. The robust construction, featuring #8-32 brass stud secondary terminals, facilitates secure and long-term installations. Its 2.08 inch window diameter allows for straightforward integration into existing setups, providing a dependable solution for critical current sensing requirements.
Cur Transf 3Ph 500:5
Specifications
| Phase | 3-Phase |
|---|---|
| Current Monitoring Range | 50-1200 amps |
| Frequency Range | 25 - 400Hz |
| Secondary Terminals | #8-32 brass stud |
| Approval | UL Recognized |
| Approval | CSA Certified |
| Accuracy (50-100 amp CTs) | ±2% at 60Hz |
| Accuracy (>100 amp CTs) | ±1% at 60Hz |
| Window Diameter | 2.08 in |
| Ratio | 500:5 |
| Max VA for 1% accuracy | 5 |
| Secondary Winding Resistance at 167° F | .0643 |





