276B3-150

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

Phase3-Phase
Current Monitoring Range50-1200 amps
Frequency Range25 - 400Hz
Secondary Terminals#8-32 brass stud
ApprovalUL Recognized
ApprovalCSA Certified
Accuracy (50-100 amp CTs)±2% at 60Hz
Accuracy (>100 amp CTs)±1% at 60Hz
Window Diameter1.63 in
Ratio150:5
Max VA for 1% accuracy7.5
Secondary Winding Resistance at 167° F.0459

FAQs

What current range can the 276B3-150 monitor?
The 276B3-150 3-Phase Current Transformer is designed to monitor currents within a 50-1200 amp range.
What are the approval ratings for this current transformer?
The 276B3-150 is UL Recognized and CSA Certified, ensuring compliance with industry standards.
What is the accuracy specification for the 276B3-150?
For currents exceeding 100 amps, the 276B3-150 maintains an accuracy of ±1% at 60Hz. For 50-100 amp CTs, accuracy is ±2% at 60Hz.