Description
ALSTOM UT150-1
Technical Specifications
- Product type: Measurement transducer
- Input: CT 1 A / 5 A, PT 100 V
- Output: 4 to 20 mA / 0 to 10 V
- Isolation: 2500 V
- Accuracy: 0.5 class
- Supply: Auxiliary DC / AC
- Operating temperature: -10 °C to +55 °C
- Storage temperature: -25 °C to +70 °C
- Humidity: 5 % to 95 %, non-condensing
- Protection: IP20
- Mounting: DIN rail / panel
- LEDs: Power
- Frequency: 50 / 60 Hz
Functional Features
- CT / PT signal isolation
- Scaling to standard output
- High isolation
- 0.5 class accuracy
- Auxiliary supply powered
- DIN rail mount
- Surge protection
- Wide frequency
- Low drift
- Power industry
Application Scenarios
- Substation transducer
- Generator electrical measurement
- PLC analog interface
- Metering signal isolation
- Protection input scaling
Materials and Construction
- Housing: Flame retardant plastic
- PCB: FR4
- Transformer: Miniature CT/PT
- Terminals: Screw
- LED: Power
- Seal: None
Structural Features
- DIN rail rectangular
- Top/bottom terminals
- Front power LED
- Internal transformer and converter
- DIN rail clip
- Compact
Working Principle CT/PT input scaled by transformer. Converter produces 4 to 20 mA proportional to measured quantity. Isolation separates primary and secondary.
Installation Requirements
- DIN rail mount
- Connect CT/PT
- Connect output to DCS
- Auxiliary supply
- Grounding
- Temperature -10 °C to +55 °C
- Set ratio
- CT not open
Precautions
- CT secondary not open
- PT secondary not short
- Ratio match
- Periodically calibrate
- Store spares dry
- Do not overload output
