276B3-150
The Model 276B3-150 3-Phase Current Transformer provides essential current measurement for industrial and commercial power systems. This unit is engineered for precise monitoring across a wide operational range, handling currents from 50 to 1200 amps. Its broad 25-400Hz frequency range ensures adaptability for various electrical environments, from standard utility to specialized applications. With UL Recognition and CSA Certification, the 276B3-150 adheres to rigorous safety and performance benchmarks, ensuring reliable operation. The 150:5 ratio, combined with an accuracy of ±1% at 60Hz for currents above 100 amps, delivers dependable data for critical system management. Featuring #8-32 brass stud secondary terminals and a 1.63-inch window diameter, this transformer facilitates straightforward installation and integration into existing infrastructure. It is a utility-focused component for effective power system diagnostics and control.
The Model 276B3 is a ring-type 3-phase transformer for currents from
50-1200 amps. Secondary terminals are #8-32, brass studs with one
flatwasher, lockwasher and regular nut. Polarity markings are stamped on
the transformer. Holes at the corners of the transformer case are for
attaching a mounting plate (not supplied).
Out of stock
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 | 1.63 in |
| Ratio | 150:5 |
| Max VA for 1% accuracy | 7.5 |
| Secondary Winding Resistance at 167° F | .0459 |





