ZSA Smart Distribution Box
Full energy Monitoring · 0.2 Class High accuracy · 2~31 Order Harmonic analysis
The ZSA Smart Distribution Box provides intelligent power distribution with integrated monitoring, protection and communication capabilities. It enables smart grid integration and remote management, supporting the digital transformation of power distribution infrastructure.
Product Overview
ZSA Embedded Multifunction Smart Meterspecifically forlow-voltageDistribution Cabinetdesign,Monitoring three-phase/single-loopvoltage,Current,power,electrical energyand2~31 order harmonics.High-precision metering,multi-dimension panel optional,Suitable for Various Distribution Cabinetsembeddedinstallation.
Supports Over/Under voltage, Phase Loss, DI Linkage and Other Alarm Outputs,Can Drive Relay to Execute Protection Actions.Standard RS485 (Modbus) Communication,Easy to Access Monitoring System,Enables Remote Meter Reading and energy Sub-metering.
Core Capabilities
- Full energy Monitoring:Supportvoltage,Current,power,power Factor,Frequency,electrical energyetc.Full Parameter Measurement,One Meter Covers Main electrical Indicators of Three-Phase Loop.
- High-precision metering:voltage Current accuracy 0.2 Class,Activeelectrical energy0.5Class,Reactiveelectrical energy1Class,Meets Fine-Grained electrical Statistics and energy analysis Needs.
- Harmonic analysisfunction:Supports 2~31 Order Harmonic Monitoring,Assists in Diagnosing power Distribution System Distortion Issues,Improves power Supply quality and device Running Reliability.
- RS485 networking communication: standard Modbus RTU protocols, can access power monitoring system or energy management platform, enables remote meter reading and sub-metering.
Product Features
Full energy Monitoring
Supportvoltage,Current,power,power Factor,Frequency,electrical energyetc.Full Parameter Measurement,One Meter Covers Main electrical Indicators of Three-Phase Loop,Replaces Multiple Meters.
High-Precision Metering
voltage Current accuracy 0.2 Class,Activeelectrical energy0.5Class,Reactiveelectrical energy1Class,Meets Fine-Grained electrical Statistics and energy analysis Needs.
Harmonic AnalysisFunction
Supports 2~31 Order Harmonic Monitoring,Assists in Diagnosing power Distribution System Distortion Issues,Improves power Supply quality and device Running Reliability.
Multi-Dimension Embedded installation
Provides48/72/80/96/120mmMultiplepaneldimension,suitable fordifferentDistribution Cabinetcutout,embeddedinstallationconvenientelegant.
Alarm Linkage Output
Built-in Over/Under voltage, Over/Under Current, DI Linkage and Other Alarm Logic, can drive relay output or pulse output, enables acoustic-optical or switching control.
RS485 Networking Communication
Standard Modbus RTU protocols, can access power monitoring system or energy management platform, enables remote meter reading and sub-metering.
Model Selection Guide
Model Naming Convention
| Model | Function | Wiring Method | VoltageMonitoring | Current Monitoring | Electrical EnergyFunction | Harmonic Monitoring | DIInput | Pulse Output | Relay Output | InstallationDimensions(mm) | Communication |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ZSA-10210-N | voltagemeter | single-phasetwowire | √ | No | No | No | 0 | 0 | 0 | 44×44 | No |
| ZSA-20100-N | Currentmeter | three-phasethree-wire | No | √ | No | No | 0 | 0 | 0 | 67×67 | No |
| ZSA-30321-R | Multi-functionmeter | three-phasefour-wire | √ | √ | √ | No | 4 | 0 | 2 | 76×76 | RS485 |
| ZSA-31332-R | Multi-functionmeter | three-phasethree-wire | √ | √ | √ | √ | 0 | 2 | 0 | 91×91 | RS485 |
| ZSA-31333-R | Multi-functionmeter | three-phasefour-wire | √ | √ | √ | √ | 4 | 2 | 2 | 91×91 | RS485 |
Technical Specifications
Basic Parameters
| Working Voltage | AC 220V |
| Power Consumption | ≤3W |
| Operating Temperature | -20℃~70℃ |
| Working Humidity | <85% |
| ProductsDimensions | 48×48 / 72×72 / 80×80 / 96×96 mm |
| Installation Dimensions | 44×44 / 67×67 / 76×76 / 91×91 mm |
| Housing Material | Thermoplastic Material |
| Protection Class | IP20 |
| Mounting Method | Embeddedinstallation |
| Display Type | LED |
Monitoring Function
| Communication Interface | RS485 |
| Communication Protocols | Modbusprotocols |
| voltage(AC) | Rated value: 220V/380V;overload: 1.2times Rated value(continuous),2times Rated value(1second);accuracy: 0.2 Class |
| Current(AC) | Rated value: 5A/100A/200A/400A/600A/1000A;overload: 1.2times Rated value(continuous),2times Rated value(1second);accuracy: 0.2 Class |
| Frequency | 45~65 Hz,Accuracy: 0.01 Hz |
| Active Electrical Energy | accuracy: 0.5Class |
| Reactive Electrical Energy | accuracy: 1Class |
| Harmonic | 2~31ordersHarmonic |
| Digital Input | Dry ContactInput,Built-in Power Supply |
| Digital QuantityOutput | Relaynormally openContact,ContactCapacity:AC250V/5A,DC30V/5A |
installation Instructions
Installation Dimensions Image
Specification dimension Comparison Table (Unit: mm)
| Specification | appearancedimension(L×H) | cutoutdimension(N×M) | paneldimension(A×B) | cutoutdimension(S×Y) |
|---|---|---|---|---|
| 48×48 | 48×48 | 68×58 | 43×43 | 44×44 |
| 72×72 | 72×72 | 68×58 | 66×66 | 67×67 |
| 80×80 | 80×80 | 68×58 | 76×76 | 77×77 |
| 96×96 | 96×96 | 68×58 | 90×90 | 91×91 |
| 120×120 | 120×120 | 68×58 | 107×107 | 110×110 |
Interface Description
Interface Definition
| Pin Class | Interface | Definition |
|---|---|---|
| power Supply | L | Live Wire |
| power Supply | N | Neutral Wire |
| RS485 | A+ | RS485 AEnd |
| RS485 | B- | RS485 BEnd |
| DIInput | Di1~Di4 | Digital Quantity 1~4 Input (Common End DiG) |
| DOOutput | Do1~Do2 | Relay1~2OutputEnd |
| Pulse Output | AP/AQ | Active/ReactivePulse Output(commonEndCOM) |
| Current | IA*/IA,IB*/IB,IC*/IC | A/B/C phase Current Input positive/negative End |
| voltage | UA,UB,UC,UN | A/B/C phase voltage Input End, Neutral Wire Input End |
Key Points
- Definition： The ZSA Embedded Multi-Function Meter is FEXLINK's panel-mount smart meter for distribution cabinet upgrades, integrating multiple electrical parameter measurements.
- Core Capabilities： Measures voltage, current, active/reactive power, power factor and harmonics; supports RS485/Modbus upload; panel-mount installation.
- Scenarios： Suitable for power parameter monitoring and energy management in distribution cabinets, control cabinets and equipment-room PDUs.
- Related Products： ESA Electrical Safety Terminal, SFA Multi-Element Controller, FG Smart Gateway.
Frequently Asked Questions
Product FAQ
What is ZSA Embedded Multi-Function Meter?
The ZSA Embedded Multi-Function Meter is FEXLINK's panel-mount smart meter for distribution cabinet upgrades, integrating multiple electrical parameter measurements.
What scenarios does ZSA Embedded Multi-Function Meter apply to?
Suitable for power parameter monitoring and energy management in distribution cabinets, control cabinets and equipment-room PDUs.
How does ZSA Embedded Multi-Function Meter differ from traditional solutions?
Compared with traditional analog meters, the ZSA provides multi-parameter digital measurement and communication upload in a highly integrated, easy-to-install form factor.
How is ZSA Embedded Multi-Function Meter installed and integrated?
Panel-mount via cut-out on the cabinet door, wire voltage/current transformers, connect the RS485 bus, and configure communication parameters.
How can I purchase FEXLINK products or request a demo?
Submit requirements via the Contact page on the FEXLINK website, or call +86-755-8653-6148 to request a demo and selection consultation; engineers will propose a matched solution and quotation based on your scenario.
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FEXLINK Business Scope
FEXLINK 微物联，专注配电场景电气安全与数字能源技术研发。我们以多维精准感知与智能算法为核心，通过端侧感知芯片、多维电气时序特征算法、三层电碳大模型，实现雷电防护、接地监测、电气隐患识别；同步完成配电计量、电能质量分析、回路级碳排核算。面向老旧柜体与工业配电，构建从现场采集、本地芯片推理到云端电碳智能中枢的端云协同体系，赋能能源安全管控、能效优化与低碳数字化落地。