Description
This 3 Phase AC voltage sensor is a high-performance device engineered for precise measurement and conversion of three-phase AC line voltages. It offers multiple isolated output signals, making it highly adaptable for diverse industrial automation and power system applications. Built with advanced electromagnetic isolation technology and comprehensive protective features, voltage level sensor ensures stable operation and long-term reliability in demanding environments.
Specification
| Model | ATO-KXY43-VD |
| Installation Method | Standard DIN Rail + Flat Screw Fixation |
| Measurement Range | AC0-5V; AC0-50V; AC0-100V; AC0-150V; AC0-220V; AC0-250V; AC0-380V; AC0-450V; AC0-465V;AC0-500V |
| Output Form | 0~10V; RS485; 4-20mA |
| Auxiliary Power Supply | DC+5V, DC+12V, DC+15V, DC+24V; AC/DC 110V, AC/DC 220V; Wide Voltage: DC 6.5-36V, DC 12-36V, DC 15-36V; User Specifiable |
| Load Capacity | Voltage Output: ≥5mA; Current Output: ≥6V |
| Linearity | 0.1% |
| Accuracy | 0.5% |
| Bandwidth | 20 Hz ~ 5 kHz |
| Overload Capacity | 2 times nominal input |
| Current Consumption | <15mA + Output Current |
| Isolation Voltage | 1500V AC / 50Hz / 1min / 2mA |
| Offset Voltage | ≤10mV |
| Response Time | Following Output <1ms; DC Transmitting Output <250ms |
| Temperature Drift | ≤100 ppm/°C |
| Operating Temperature | -20°C to +80°C |
| Storage Temperature | -25°C to +85°C |
Feature
- Wide Voltage Measurement for Three-Phase Sensor: This 3 phase AC voltage measuring sensor accurately measures three-phase AC voltages from 5V up to 500V, catering to a broad spectrum of industrial power systems.
- Versatile Output Options of the Voltage Sensor: 3 phase voltage sensor provides flexible output configurations including the standard 4-20mA current signal, 0-10V voltage signal, and RS485 digital interface for easy system integration.
- High Isolation & Safety in the 3 Phase Sensor: This voltage measuring transducers incorporates triple-end isolation and electromagnetic isolation technology, enhancing safety and protecting connected equipment from high-voltage transients.
- Robust Protection for the Voltage Sensor: 3 phase AC voltage transducer features 6-fold protection including input overload, output overcurrent, short-circuit, surge, overvoltage, and reverse connection protection for secure and durable operation.
- High Accuracy & Stability of the Sensor: This voltage generating sensor achieves high measurement accuracy with low temperature drift, ensuring consistent and reliable performance across its operating temperature range.
- Compact & Easy Installation of the 3 Phase Sensor: The compact design of this voltage sensor facilitates simple mounting via standard DIN rail or flat screw fixation, while terminal blocks allow for quick and easy wiring.
Dimension
Wiring Diagram
Signal KXT43U-VD (three-phase four-wire star connection / power supply DC24V)
Signal KXT43U-VD (three-phase three-wire delta connection / power supply DC24V)
KXT43U-VD (three-phase three-wire star connection / power supply DC24V)
Signal KXT43U-VD (three-phase four-wire star connection / power supply 220V)
Signal KXT43U-VD (three-phase three-wire delta connection / power supply 220V)
KXT43U-VD (three-phase three-wire star connection / power supply 220V)
5 Tips for 3 Phase AC Voltage Sensor
- Ensure the selected voltage measurement range of the 3 Phase AC voltage sensor adequately covers the system’s maximum operating voltage, including potential surges.
- For long-distance transmission, the 4-20mA output from the voltage sensor is generally preferred due to its inherent noise immunity.
- When using the RS485 interface on this voltage detection sensor, proper termination and adherence to communication protocol specifications are crucial for reliable data exchange.
- Verify that the auxiliary power supply voltage matches the 3 phase voltage generating sensor’s requirements before energizing the device.
- For optimal performance and safety, install the voltage transducer in a well-ventilated environment within its specified operating temperature range.





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