Products
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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
Product Wiring Diagram
Technical Parameters（技术参数） | Model | NKB-28S | Input Power Consumption | < 3VA |
| Accuracy | ±0.2%, ±0.5% (selectable) | Withstand Voltage | ≥ 2.5kV |
| Current Rating Input | 0-1A, 0-5A (selectable) | Enclosure Material | Flame-retardant ABS |
| Voltage Rating Input | AC100V, AC380V (selectable) | Dimensions (W×H×D) | 110×75×120mm |
| Output Range | 0-20mA, 4-20mA, 0-5V, 0-10V, 1-5V (selectable) | Weight | 0.4kg |
| PT Consumption per Phase | 0.5VA | Mounting | 35mm DIN rail |
| CT Consumption per Phase | 0.5VA | Operating Temperature | -5℃ to +45℃ |
| Auxiliary Power | AC/DC220V | Storage Temperature | -20℃ to +75℃ |
| Wiring Mode | 1Φ2W, 3Φ3W, 3Φ4W (see wiring diagram) | Relative Humidity | <80% |
| Output Ripple | <1% (p-p) | Protection Class | IP20 |
| Temperature Effect | ±0.2%/±0.5% error per ±20℃ within operating range | ||
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）
