SFA Multi-Parameter Controller
Multi-Element Fusion · Intelligent Control · 0.2S Class Accuracy
The SFA Multi-Parameter Controller provides cloud-edge intelligence for multi-parameter monitoring and control. It integrates data acquisition, local processing and cloud connectivity, enabling comprehensive electrical safety management across distribution rooms and critical infrastructure facilities.
Product Overview
SFAMulti-Element Intelligent Controlleris FEXLINK'sforenergysourcemanagementandelectrical SafetyMonitoringdesigned forMulti-Element FusiontypesmartmonitoringcontrolTerminal,integratingto acquire,Control,Communicationandmanagement in onewhole,FeaturesGatewayfunction,viaover35mmStandardDINrailInstalled atelectrical Control Cabinet,Distribution Cabinetinside or byMonitoringdeviceExternal.
StandardThree-Phase voltage,Three-Phase Current,Active/Reactive power,power Factor,System Frequency,Active/Reactive energyetc.Full electrical Parameter Measurement,Supporttime-of-usemeteringforward/reverseActive/Reactive energy;optional0-31Order Harmonic analysis,Three-Phase UnbalanceDynamicMonitoringfunction;simultaneouslySupport4channelTemperature,1channelTemperature & Humidity,1channelresidualCurrent,2channelDigital Inputand2channelRelay Output.Matched DedicatedTransformercanCovers5A~1000A(maximumcanExpansionto6000A)Current Monitoring Range,RS485/4G/RJ45MultiCommunicationto access the Cloud Platform,OLEDhighclearscreeneasylocalDebuggingInspection.
Core Capabilities
- Full electrical Parameter Measurement:Three-Phase voltage/Current/power/power Factor/Frequency/electrical energy,0.2SClassenergy accuracy.
- power quality analysis:0-31ordervoltage/CurrentHarmonicpointsquantityMeasurement,Three-Phase UnbalanceDynamicanalysis.
- Multi-Element Monitoring:4channelTemperature+1channelTemperature & Humidity+1channelresidualCurrent+2channelDigital Input+2channelRelay Output.
- Wide Range Adaptation:Matched DedicatedsensorCovers0-6000ACurrentRange,Cable/BusbarMultipleApplication.
Product Features
Comprehensive Monitoring & Acquisition
three-phaseFull electrical Parameter Measurement,time-of-usemeteringforward/reverseActive/Reactive energy,4channelTemperature+1channelTemperature & Humidity+1channelresidualCurrent+2channelDigital Input+2channelRelay Output,oneunitsdevicemeetsMultimaintenanceMonitoringneeds.
Power Quality Analysis
Support0-31ordervoltage/CurrentHarmonicpointsquantityMeasurementandThree-Phase UnbalanceDynamicanalysis,EnableseachonephaseangleunbalanceMonitoringandsmartStatisticsanalysis(optionalfunction).
High-Precision Metering
Activeelectrical energyDefaultaccuracy0.5Class,Monitoringaccuracymosthighcanreaches0.2SClass,Compliantenergysourcemanagementneeds,withcombineafterunitsSoftwareexecutetime-of-usemeteringandenergy analysis.
Multi-Channel Temperature Monitoring
Support4channelNTCTemperaturesensorEnablesContactTemperature MonitoringandTemperatureanalysis,additionallySupport1channelTemperature & HumidityMonitoringtimeinsightenvironmentsstatuschangeization.
Residual Current Monitoring
Support1channelResidual Current Monitoring,10~3000mAranges,1Classaccuracy,EnablesLeakage CurrentDynamicdetectmonitoring,eliminateelectricalHazard.
Linkage Control
Support2channelRelay Output(AC250V/3A,DC30V/3A),easilyFinishbased onthresholdorFeaturesMonitoringneedsLinkage Control,EnablesAbnormalautomaticresponse.
Multi-Communication Fusion
Dual-ChannelRS485+onechannelRJ45,Supports 4G,Zigbee,LoRaExpansion,Standard Modbus RTUprotocolsandSupportMQTT,integratingto acquire,Control,Communication,management in onewhole,FeaturesGatewayfunction.
OLED Local Display
highclearOLEDscreen+actualwholeButton,easilyEnableslocalsidedataDisplayandProductsConfiguration,easyDebuggingandInspection;canExpansionHMIscreenBuildsallecosystemlocalizationMonitoringstrategy.
Multi-Module Expansion
Supportpower quality,Three-Phase Unbalance,smart meter,etc.electricalposition,electrical Fire,Leakage Current,Digital,Lightning Protection,Lightning Current,Grounding Resistanceetc.MulticlassMonitoringModuleAccess.
Model Selection Guide
Model Naming Convention
| Model | Digital Input | Relay Output | Meter Monitoring | Phase Monitoring | Harmonic Monitoring | Downlink RS485 | Uplink WAN | Uplink 4G |
|---|---|---|---|---|---|---|---|---|
| SFA-10011-ER | 4 | 2 | Yes | No | No | Dual | Yes | -- |
| SFA-10011-GR | 4 | 2 | Yes | No | No | Dual | -- | Yes |
Current Transformer Selection (ZCT)
Naming:ZCT-9(C)-5/0.5
- • inner diameter:9.5/16/24/36/50mm
- • Application:CCable / BBusbar
- • Current:5~1500A
- • accuracy:0.2/0.5/1.0Class
Residual Current Transformer (ZRCT)
Naming:ZRCT-45(C)/0.5
- • inner diameter:30/45/65/80/100/150mm
- • Application:CCable / BBusbar
- • accuracy:0.2/0.5/1.0Class
TemperatureSensor (ZTS)
Naming:ZTS-01
- • 01:NTCTemperatureSensor
- • 02:digitalTemperaturechipsensor
- • MonitoringRange:-30~125℃
- • Accuracy:±1℃
Current TransformerSelectionImage
Matched DedicatedCurrent TransformerCovers 5A~1000A CurrentRange,SupportCable/BusbarMultipleApplications,0.2/0.5/1.0 Classaccuracyoptional.
| rated value | 5A | 100A | 200A | 400A | 600A | 1000A |
|---|---|---|---|---|---|---|
| Currentratio | 5A/0.33V | 100A/0.33V | 200A/0.33V | 400A/0.33V | 600A/0.33V | 1000A/0.33V |
| aperture | 16mm | 24mm | 24mm | 36mm | 36mm | 36mm |
Residual Current TransformerSelectionImage
inner diameter 30/45/65/80/100/150mm optional,SupportCable/BusbarApplication,0.2/0.5/1.0 Classaccuracy,MonitoringRange 10~3000mA.
Temperature sensor Selection Image
NTC Temperaturesensor(ZTS-01)anddigitalTemperaturechipsensor(ZTS-02)optional,MonitoringRange -30~125℃,accuracy ±1℃.
Technical Specifications
basecopiesParameters
| WorkingVoltage | AC 180~250V (220V) |
| ProductsPower Consumption | ≤2W |
| Operating Temperature | -20℃~60℃ |
| WorkingHumidity | <95% |
| ProductsWeight | 260g |
| dimension | 107×88×63mm(L×W×H) |
| Housing Material | Thermoplastic Material UL94V0 |
| Protection Class | IP20 |
| Mounting Method | Standard 35mm DIN Railmount |
| Display Type | OLEDhighclearscreen |
MonitoringandCommunicationParameters
| Communication Interface | RS485 / 4G / RJ45 |
| Communication Protocol | Modbus RTU / MQTT |
| voltageMonitoring | rated220V/380V,accuracy0.5Class/0.2S |
| Current Monitoring | 5A/100A/200A/400A/600A/1000A,accuracy0.5Class |
| Frequency | 45~65Hz,Accuracy0.01Hz |
| Activeelectrical energy | accuracy0.5Class/0.2S |
| Reactiveelectrical energy | accuracy2Class |
| residualCurrent | 10~3000mA,accuracy1Class |
| Temperature Monitoring | -30~125℃,±1℃ |
| HumidityMonitoring | 0~100%RH,±2%RH |
| Digital Input | 4channelDry ContactInput,built-inpower Supply |
| Relay Output | 2channelnormally openContact,AC250V/3A,DC30V/3A |
installation Instructions
installation Diagram
Interface Description
Interface Definition
| pointsclass | Endterminal | Definition |
|---|---|---|
| voltageInput | A1/A3/A5/A7 | A/B/CphasevoltageInputEnd,neutral wireInputEnd |
| power SupplyOutput | 5V/12V/G | 5V/12Vpower SupplyOutput,0V |
| CurrentInput | B1~B6 | A/B/CphaseCurrentInputpositive/negativeEnd |
| residualCurrent | B7/B8 | residualCurrentInputnegativeEnd/positiveEnd |
| RS485Communication | E5~E8 | RS485-1master/RS485-2slave A/BEnd |
| DIInput | C7/C8/E1/E2 | Digital Quantity1~4Input(connectGND) |
| Temperature | C1~C6 | NTCTemperature1~4Input,GND |
| Relay Output | D1/D2/D4/D5 | Output1/Output2 Endterminal |
| metercalibration | E3/E4 | metercalibrationInputpositiveEnd/negativeEnd |
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