UCT-1250 Solid-Core Current Transformer
UCT-1250 Solid-Core Current Transformer
The Magnelab UCT-1250 is a solid-core AC current sensor with a 1.25-inch opening, capable of handling ratings up to 400 Amps. It offers better than one percent accuracy and a phase angle of less than 1°. The output is standardized at 0.333 Volt AC, controlled by a precision resistor. The sensor is encapsulated in rugged epoxy and comes with eight feet of twisted leads. Custom outputs and parameters are available upon request. The Revenue Grade version meets or exceeds IEC metering Class 0.5 standards.
- Rated input up to 400 Amps.
- Output of 0.333 Volt AC at rated current.
- Linearity accuracy of ± 1% (±0.5% for Revenue Grade).
- Accuracy maintained from 10% to 130% of rated current.
- Operating temperature range from -20° to +110°C.
- Phase angle less than 1° at 50% rated current (less than 0.26° for Revenue Grade).
- Frequency range from 30 Hz to 1,000 Hz.
- 8 ft. twisted-pair lead, 22 AWG.
- Maximum voltage of 600V on bare conductor.
- Complies with UL Standard 61010-1 and EN 60044-1.
- UCT-1250-000: No Burden Resistor
- UCT-1250-070: 70 Amp
- UCT-1250-100: 100 Amp
- UCT-1250-150: 150 Amp
- UCT-1250-200: 200 Amp
- UCT-1250-250: 250 Amp
- UCT-1250-300: 300 Amp
- UCT-1250-400: 400 Amp
- A: 31.75 mm (1.250 inches)
- B: 68.58 mm (2.700 inches)
- C: 20.32 mm (0.800 inches)
The graph illustrates the output voltage as a percentage of input, showing linearity and accuracy across the range.
Catalog excerpts
Solid-Core AC Current Sensor UCT-1250 1.25 Inch Opening With Ratings Up To 400 Amps * Revenue Grade Available Description: Magnelab UCT-1250 Series are better than one percent accuracy and less than 1° phase angle. Output is controlled by a precision resistor fixed at the industry standard of 0.333 Volt AC. The rugged epoxy encapsulated construction comes with eight feet twisted leads. Custom outputs and other parameters are available at customer request. Revenue Grade meets or exceeds IEC metering Class 0.5 Phase angle < 1° measured at 50% rated current Output 0.333 Volt AC at rated current Linearity accuracy ± 1% (+/-0.5% for Revenue Grade) Accuracy at 10% to 130% of rated current Maximum Voltage: 600V (on bare conductor) PART NUMBER AND RATING Output Voltage Percentage of Input WHT ONE TURN CUSTOMER SUPPLIED BLK
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