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  • KH702U High Quality Digital Input Output Module 4-20MA RS485/RS232 USB Communication Converter Single Output Inverter Converter
  • KH702U High Quality Digital Input Output Module 4-20MA RS485/RS232 USB Communication Converter Single Output Inverter Converter
  • KH702U High Quality Digital Input Output Module 4-20MA RS485/RS232 USB Communication Converter Single Output Inverter Converter
  • KH702U High Quality Digital Input Output Module 4-20MA RS485/RS232 USB Communication Converter Single Output Inverter Converter
  • KH702U High Quality Digital Input Output Module 4-20MA RS485/RS232 USB Communication Converter Single Output Inverter Converter
  • KH702U High Quality Digital Input Output Module 4-20MA RS485/RS232 USB Communication Converter Single Output Inverter Converter
KH702U High Quality Digital Input Output Module 4-20MA RS485/RS232 USB Communication Converter Single Output Inverter Converter
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KH702U High Quality Digital Input Output Module 4-20MA RS485/RS232 USB Communication Converter Single Output Inverter Converter

  • 2 - 9 Sets
    $40.50
    $45
  • 10 - 99 Sets
    $34.20
    $38
  • 100 - 999 Sets
    $27
    $30
  • >= 1000 Sets
    $18
    $20

Customization:

Customized logo（Min.Order: 10 pieces）
Customized packaging（Min.Order: 10 pieces）
Graphic customization（Min.Order: 10 pieces）
View product details

KH702U High Quality Digital Input Output Module 4-20MA RS485/RS232 USB Communication Converter Single Output Inverter Converter

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Surge Protection & Communication Conversion: Designed to safeguard electronic equipment from voltage surges and electrical transients while enabling seamless communication between USB-enabled devices and industrial systems via RS232/485 interfaces.
  • 4-20mA Input/Output & Inverter Conversion: Supports analog signal transmission (4-20mA) and single-phase power conversion (50W output) for reliable energy management in single-output applications.

Key features

  • 1. Advanced Material Technology for Enhanced Protection

    • With corrosion-resistant materials and robust isolation design, protect connected devices from voltage surges and electrical interference.

  • 2. Dual-Interface Interactive Design for Versatility

    • With USB and RS232/485 interfaces, seamlessly integrate into both industrial systems and consumer electronics. The SDK-supported design enables customizable software control for tailored applications.

  • 3. High-Performance Output for Reliable Operation

    • Delivering 50W output power in single-phase setups, ensure stable performance with up to 20% higher efficiency than traditional inverters.

  • 4. Adaptable Scenario Solutions for Diverse Environments

    • Designed for environments with unstable power, ensure continuous operation in commercial settings or home use. The compact, modular design allows quick deployment in spaces with limited room.

  • 5. Certified Safety Standards for Critical Applications

    • Complies with international safety certifications (e.g., CE/FCC), ensuring reliable protection against electrical disturbances like lightning strikes or power outages.

Product details

KH702U High Quality Digital Input Output Module 4-20MA RS485/RS232 USB Communication Converter Single Output Inverter Converter

The KH702U High Quality Digital Input Output Module is a versatile surge protection and communication converter designed for single-phase applications. With USB, RS485/RS232 interfaces, and 50W output power, it safeguards equipment from voltage surges while enabling seamless data transmission. Its isolated design ensures reliability in unstable power environments, making it ideal for industrial automation, data centers, and IoT systems.

Technical specifications

FeatureSpecificationBenefit
Surge ProtectionProtects against voltage spikesPrevents damage in unstable power conditions
InterfacesUSB, RS485/RS232Cross-platform compatibility
IsolationElectrical barrier between portsReduces interference for reliable data flow
Output Power50W (single phase)Supports single-output applications
Network SDKSoftware development kit supportSimplifies integration into custom systems
Material/DesignCompact plastic housingEasy installation in space-constrained setups

Customization guide

Adjustable parameters include output power range (up to 50W) and interface configurations (e.g., RS232/485 prioritization) to meet specific industrial or IoT requirements.

Get inspired

Protect your critical equipment from electrical disturbances while ensuring seamless communication between legacy systems and modern devices. The KH702U’s modular design adapts to diverse applications, from factory automation to smart home setups.

Choose your model

ParameterBase Model (KH702U)Advanced ModelPro Model
Surge Protection Rating2kV2.3kV (+15%)2.6kV (+30%)
Isolation Voltage1500V1800V2500V
Output Power50W60W75W
Interface Count3 ports5 ports8 ports

Supplier's note

  1. Technical Breakthroughs:

    • Enhanced Surge Protection: The Pro Model’s 2.6kV rating exceeds industry standards, safeguarding equipment in high-risk industrial environments.
    • Multi-Interface Flexibility: The Advanced Model’s 5 ports enable simultaneous RS485/RS232 and USB connections, streamlining complex setups.
    • SDK Integration: The Base Model’s network SDK simplifies IoT deployments by enabling remote monitoring and control.

  2. Optimal Version Selection:

    • Base Model: Ideal for small-scale automation or home use where 50W power and basic surge protection suffice.
    • Advanced Model: Suitable for industrial IoT systems requiring expanded interfaces and moderate power (60W).
    • Pro Model: Tailored for critical infrastructure (e.g., data centers) needing maximum surge resistance (2.6kV) and high output (75W).

With the Pro Model’s triple-isolation design, you can ensure uninterrupted operations during lightning strikes. Pair its 75W output with rugged materials to power heavy-duty sensors in harsh environments.

Frequently asked questions

  • Which KH702 model is best for protecting industrial equipment against power surges?

  • How does the KH702U ensure compatibility with both USB and RS232/485 interfaces?

  • What makes the KH702U effective against electrical surges and transients?

  • Can the KH702U be customized for specific certifications or interfaces?

  • Is 50W output sufficient for high-power devices in industrial settings?

  • Does the KH702U comply with safety standards for medical or industrial use?

  • How do I clean or maintain the KH702U’s USB/RS232 ports?

  • Can the KH702U integrate with network systems via its SDK?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Surge ProtectionIndustrial equipment, data centersBase: 6000V surge protection (▲▲ vs Industry 4000V)
Advanced: 8000V (▲▲▲)		Protects against lightning strikes and power fluctuations.
Meets IEC 61000-4-5.		Slight latency in high-speed data transmission due to surge filtering.
Interface CompatibilityOffice automation, IoT systemsDual USB/RS232/485 (IEC 60912)
Advanced: Adds fiber optic (▲)		Seamless connectivity for computers, sensors, and industrial devices.Requires adapters for non-standard interfaces (e.g., legacy systems).
Electrical IsolationMedical devices, lab equipmentBase: 1500V isolation (▲ vs Industry 1000V)
Advanced: 2500V (▲▲)		Blocks ground loops and prevents interference in sensitive systems.Higher cost due to advanced isolation components.
Material & DurabilityCompact spaces, portable setupsBase: Plastic housing (ISO 10993)
Advanced: Reinforced polymer (▲)		Lightweight and biocompatible for medical or consumer use.Less durable than metal in extreme environments (e.g., heavy industrial sites).
Output Power & EfficiencyRenewable energy systems, home automationBase: 50W single-phase output
Advanced: 100W (▲▲)		Efficient power conversion for low-load devices (e.g., sensors).Advanced model may overheat in prolonged high-load scenarios without cooling.
Customization & ComplianceCustom industrial setups, regulated industriesBase: Firmware upgradable
Advanced: Custom protocols (▲)		Meets CE/FCC and IEC standards for global deployment.Requires technical expertise for advanced customization.

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