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NKB-28S Molded-Case Power Transmitter
Molded-Case Power Transmitter (Power measurement with configurable output signals)
Product Features
  • Measures active & reactive power
  • Accurate measurement with distorted waveforms
  • Configurable output signals, high stability
  • Low temperature drift, high surge voltage & isolation
  • Optional surge protection for I/O ports
NKB-28S Molded-Case Power Transmitter
Installation & Application(安装应用)

NKB-28S Power Transmitter

  • Monitors active/reactive power in substations/power plants

  • Converts parameters to proportional analog signals

  • Compatible with RTUs and data acquisition systems

  • Serves as front-end AC power converter for telemetry systems

Product Dimension Drawing

NKB-28S 塑壳型功率变送器(图1)

Product Wiring Diagram

NKB-28S 塑壳型功率变送器(图2)

Technical Parameters(技术参数)
ModelNKB-28SInput Power Consumption< 3VA
Accuracy±0.2%, ±0.5% (selectable)Withstand Voltage≥ 2.5kV
Current Rating Input0-1A, 0-5A (selectable)Enclosure MaterialFlame-retardant ABS
Voltage Rating InputAC100V, AC380V (selectable)Dimensions (W×H×D)110×75×120mm
Output Range0-20mA, 4-20mA, 0-5V, 0-10V, 1-5V (selectable)Weight0.4kg
PT Consumption per Phase0.5VAMounting35mm DIN rail
CT Consumption per Phase0.5VAOperating Temperature-5℃ to +45℃
Auxiliary PowerAC/DC220VStorage Temperature-20℃ to +75℃
Wiring Mode1Φ2W, 3Φ3W, 3Φ4W (see wiring diagram)Relative Humidity<80%
Output Ripple<1% (p-p)Protection ClassIP20
Temperature Effect±0.2%/±0.5% error per ±20℃ within operating range
*The product parameters are subject to the actual product manual.
Ordering and Model Selection(订货选型)

*Please send the inquiry email containing specific product requirements (such as model, quantity, technical parameters, etc.) to the designated email address  salina@kejia.com.    

(请将包含具体产品需求(如型号、数量、技术参数等)的询价邮件发送至指定邮箱 salina@kejia.com)


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