Next-Gen DC Fast Charging Architecture

China 120kW EV Charging Station Factories & Global OEM Supplier

Engineering whitepaper on high-efficiency Silicon Carbide (SiC) power conversion, dual-gun intelligent dynamic load distribution, and CE/UL/IEC compliant EVSE manufacturing directly from Kunshan, China.

Industrial Showcase · Tier-1 Hardware

Flagship 120kW & DC Commercial Charging Stations

Direct factory configurations manufactured for international Charge Point Operators (CPOs), fleet logistics centers, and commercial hubs requiring maximum uptime and modular power topologies.

OEM 40KW-180KW DC EV Charger Dual Gun Integrated Floor Mounted

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OEM 22-44KW AC Charging Station European American Chinese Standards

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China 60KW-360KW Dual Gun DC EV Charger CCS2 Compliant

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OEM China Factory AC EV Charger 3.5KW-22KW Wallbox Floor Mounted

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OEM China EV-ONE AC EV Charger 3.5KW-22KW Compatible with GB/T CCS Tesla

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OEM 60KW-240KW DC Fast EV Charging Station with Advertising Screen POS

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ODM 32-Inch Advertising DC Charging Pile 60-240kW All-in-One Solution

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ODM China 60KW-400KW Integrated DC EV Charging Pile Commercial Use

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Technical Architecture & CPO Economics

Why the 120kW DC Architecture is the Global Sweet Spot

Across global fleet operations, public highways, and retail plazas, the 120kW DC fast charging station stands out as the optimal intersection of grid installation cost, battery acceptance curve, and capital return.

Optimal Battery Acceptance Curve

Modern passenger EVs (e.g., VW ID.4, Tesla Model Y, Hyundai Ioniq 5, BYD Seal) feature battery charging profiles that peak between 100kW and 150kW before stepping down. A 120kW station charges an average 60–80kWh battery pack from 20% to 80% SoC within 25–35 minutes without triggering severe thermal throttling.

  • Matches 400V/800V native multi-pack architectures
  • Eliminates premature battery degradation
  • Maintains flat charging plateau across SOC 15-70%

Dynamic Dual-Gun Power Matrix

Engineered with four 30kW or three 40kW high-efficiency hot-swappable power modules, the system dynamically balances output: delivering a dedicated 120kW single-gun burst or a simultaneous 60kW + 60kW dual-vehicle charging session based on BMS demand, doubling the site turnover rate.

  • Intelligent real-time relay matrix switching
  • Zero disruption during secondary vehicle plug-in
  • Continuous operations via N-1 module redundancy

Maximized CapEx to ROI Ratio

Compared to 300kW+ ultra-fast chargers that demand dedicated megawatt grid substations, expensive liquid-cooled cables, and steep demand charges, a 120kW unit easily interfaces with standard commercial 400V/480V distribution transformers, slashing initial turnkey deployment cost by over 55%.

  • Standard air-cooled CCS2 / CCS1 gun configurations
  • Under 18-month payback horizon under commercial tariffs
  • Lower utility capacity reservation penalties
10,000m²
Suzhou Manufacturing Plant
500,000+
Annual Charging Unit Capacity
40+
Global Export Markets
96.5%
SiC Module Conversion Efficiency
Manufacturing Superiority & Scale

The China Supply Chain Engine: Vertical Integration in Kunshan

At Suzhou HizonSun Tech Co., Ltd., industrial mastery begins at the component level. China's Yangtze River Delta industrial belt enables unmatched procurement agility, component traceability, and automated production rigor.

Silicon Carbide (SiC) Power Core

Our proprietary 30kW and 40kW AC/DC conversion modules utilize high-frequency SiC MOSFET switches. Compared to traditional silicon IGBTs, SiC halves switching losses, reduces internal magnetic volume by 40%, and enables sustained full-load power conversion at up to 55°C ambient temperatures.

Automotive-Grade Enclosures

Enclosures are laser-cut from high-grade galvanized steel with C5-M marine-grade anti-corrosion powder coating. Sealed to IP54/IP55 and rated IK10 against mechanical impacts, our cabinets endure saline coastal air, equatorial monsoons, and sub-zero Arctic freeze cycles without rust or dielectric breakdown.

In-House Embedded Firmware

HizonSun owns complete intellectual property over its charging controller motherboards, Linux-based HMI communication stacks, and cloud service protocols. This eliminates third-party licensing lock-in and facilitates rapid customization for client-specific OCPP backends, POS payments, and ISO 15118 PKI certificates.

Performance Metrics HizonSun Kunshan Factory (China) European Legacy Assemblers North American Integrators
Power Module Topology SiC MOSFET High-Density (30kW/40kW) Silicon IGBT Modules (20kW/30kW) Third-party Sourced Modules
Average Manufacturing Lead Time 2 to 3 Weeks (Direct Factory Line) 12 to 18 Weeks 16 to 24 Weeks
Levelized Hardware Cost / kW $0.11 – $0.16 / Watt $0.32 – $0.45 / Watt $0.38 – $0.52 / Watt
Full-Load Burn-In Validation 100% 72-Hour Elevated Thermal Cycle Sample Batch Testing (5-10%) Sample Verification
Firmware & OCPP Agility Direct Kernel Engineering (OCPP 1.6J/2.0.1) Third-party Software Middleware Proprietary Closed Walled-Garden
Industrial Specification Sheet

120kW Integrated DC Fast Charger Technical Architecture

Engineered for mission-critical reliability, grid harmonics compliance, and seamless multi-standard cross-compatibility across all global electric vehicle architectures.

AC Input & Grid Interconnection

  • Input Voltage: 3-Phase 380V / 400V / 480V AC ±15%
  • Frequency: 45Hz – 65Hz grid synchronization
  • Power Factor: ≥ 0.99 at >50% rated load
  • Total Harmonic Distortion (THDi): ≤ 3% at full power
  • Surge Protection: Class C SPD (40kA, 8/20μs) built-in
  • AC Disconnect: Integrated motor-driven shunt breaker

DC Output & Conversion Efficiency

  • Rated Power: 120kW constant output zone
  • Voltage Range: Ultra-wide 150V DC – 1000V DC
  • Current Output: Dual guns, up to 250A per gun (peak)
  • Peak Efficiency: ≥ 96.5% under SiC module architecture
  • Standby Consumption: < 35W with dormant power mode
  • Insulation Resistance: > 20MΩ (1000V DC test)

Safety, Enclosure & Telemetry

  • IP Rating: IP54 (standard) / IP55 (optional sealed bay)
  • Vandalism Resistance: IK10 reinforced steel cabinet
  • Cooling Architecture: Smart speed-controlled forced air
  • Acoustic Noise: ≤ 62 dB(A) at 1 meter distance
  • Operating Temperature: -30°C to +55°C (linear derating)
  • Connectivity: 4G LTE, Ethernet RJ45, Wi-Fi, RS485
Global Market Readiness

Comprehensive Compliance: Tender-Ready Worldwide

International commercial EV infrastructure deployments fail when manufacturers treat global certifications as an afterthought. HizonSun embeds multi-region electrical safety and metrology compliance straight from factory design.

European Union CE, MID & Eichrecht Ready

Fully certified under EN 61851-1, EN 61851-23, EN 61851-24, and EMC Directive 2014/30/EU (Class B radiated emissions). Integrated MID-certified DC energy meters with digitally signed transparent data payloads comply with the German Eichrecht calibration mandate for legally binding public energy billing.

North America UL 2202, UL 2594 & NEC 625

Constructed in alignment with UL 2202 standard for EV Charging System Equipment, UL 991/1998 safety-related software controls, and National Electrical Code (NEC) Article 625 requirements. Compatible with CCS1 and SAE J3400 (NACS) charging connectors with high-voltage contactor isolation monitoring.

Global Open Protocols OCPP 1.6J, 2.0.1 & ISO 15118

Seamless integration with major Central System operators (Driivz, AMPECO, Greenflux, ViriCiti). Pre-configured with OCPP 1.6 JSON (Smart Charging Profiles) and field-upgradeable to OCPP 2.0.1. Hardware-ready for ISO 15118-2 / ISO 15118-20 Plug & Charge (PnC) automated vehicle TLS authentication.

Deployment Topologies

Engineered for High-Turnover Commercial Infrastructure

Different operational scenarios dictate customized physical interfaces, screen layouts, and billing hardware. Our 120kW platform easily adapts across four primary enterprise deployment models.

Fleet Logistics & Depots

Designed for last-mile delivery vans (e.g., Ford E-Transit, Mercedes eSprinter) and municipal e-bus depots. Centralized OCPP load scheduling charges fleets overnight at lower tariffs or provides rapid 30-minute midday top-ups without exceeding maximum facility peak demand.

Retail Plazas & Malls

Equipped with high-brightness 32-inch outdoor digital advertising displays (DOOH) and integrated tap-to-pay credit card readers (Nayax, Ingenico, PAX). Operators capture steady EV charging energy margins while monetizing continuous programmatic screen advertising.

Highway Corridor Hubs

Dual CCS2 liquid-cooled or ultra-flexible 250A air-cooled cables minimize turnaround time along arterial highways. Features real-time cloud diagnostic telemetry, remote firmware flashing, and automatic module bypass to eliminate stranded driver incidents.

Microgrid & Solar ESS

Pairs with HizonSun’s 100kWh–200kWh Lithium Iron Phosphate (LFP) energy storage battery buffers. Solves grid interconnection shortages in rural or congested locations by trickling grid power off-peak and discharging at 120kW fast speeds when vehicles arrive.

Industry Horizon 2026–2030

Technological Evolutions in the DC Fast Charging Sector

Staying ahead of rapid battery advancements demands hardware forward-compatibility. Our Kunshan R&D engineering lab focuses on three vital technological disruptions reshaping EVSE infrastructure worldwide.

Full Transition to 1000V Architectures

As tier-1 automakers adopt 800V native electrical systems to achieve thinner internal wiring harnesses and faster charge rates, older 500V DC chargers become obsolete. HizonSun 120kW systems operate natively up to 1000V DC, ensuring non-derated constant-power charging for both legacy 400V EVs and cutting-edge 800V platforms.

Vehicle-to-Grid (V2G) Bi-Directionality

With energy markets shifting toward decentralized distributed resources, DC fast chargers are morphing into high-speed grid stabilizers. Supporting ISO 15118-20 bidirectional DC protocols, our hardware paves the way for electric vehicle fleets to discharge power back to commercial buildings during peak tariff hours (peak shaving).

AI Telemetry & Predictive Maintenance

Field down-time destroys CPO profitability. Our chargers incorporate over 48 onboard micro-sensors continuously evaluating relay contact resistance, capacitor leakage currents, fan RPM harmonics, and connector pin thermal gradients, transmitting predictive failure alerts to the cloud before a component fault occurs.

Technical & Procurement FAQ

Frequently Asked Questions by Engineering & Sourcing Teams

Straightforward answers regarding power modularity, international compliance, OEM white-labeling, and onsite deployment parameters.

How does the 120kW charger allocate power between two connected vehicles?
Our 120kW stations leverage an intelligent internal matrix relay network paired with either four 30kW or three 40kW high-efficiency conversion modules. When a single vehicle connects, the system channels all 120kW to that port. When a second vehicle initiates a charging session, our internal controller dynamically renegotiates the power delivery based on BMS parameters, allocating 60kW + 60kW, or 80kW + 40kW in discrete module increments without interrupting the primary session.
Can this 120kW DC charging station be customized for OEM / White-Label brands?
Yes. Over 70% of our production volume serves global OEM and ODM brand partners. We provide end-to-end customization, including precision laser-cut sheet metal styling, RAL custom corporate powder coating, silkscreen branding, customized 7-inch or 10-inch LCD touchscreen UI, bootup software logos, customized RFID cards, and pre-configured client-specific OCPP endpoint server connections.
What specific electrical safety protections are integrated into the cabinet?
The station incorporates comprehensive multi-tier hardware and firmware safety systems: input over-voltage, input under-voltage, phase loss detection, AC reverse polarity protection, output over-voltage, output short-circuit protection, DC reverse polarity detection, continuous insulation resistance monitoring (ground fault), dual Type B RCD residual current sensing, lightning surge protection (Class C SPD), emergency stop button interlocking, and electronic temperature throttling on all power modules and charging cable pins.
Which charging standards and gun connectors can be specified on the 120kW unit?
We engineer charging dispensers for all primary global standards. Our factory can configure dual CCS2 (European standard), dual CCS1 (North American standard), dual GB/T (Chinese standard), dual CHAdeMO (Japanese standard), or hybrid combinations (e.g., CCS2 + CHAdeMO or CCS2 + GB/T). SAE J3400 (NACS) native connector integration is also fully supported for North American deployments.
What backend OCPP software systems are compatible with HizonSun chargers?
Our charging controllers support the open OCPP 1.6 JSON protocol (Profile 1: Core, Profile 2: Smart Charging, Profile 3: Remote Trigger, Profile 4: Reservation, and Profile 5: Local Auth List Management), and are tested against leading global platforms including AMPECO, Driivz, GreenFlux, ChargeLab, and HizonSun’s proprietary cloud management dashboard. Upgrades to OCPP 2.0.1 can be performed remotely via Over-The-Air (OTA) firmware updates.
How does the factory guarantee long-term operational uptime and spare part availability?
We design our chargers with modular Mean Time to Repair (MTTR) principles. Power modules are completely hot-swappable and can be replaced in less than 5 minutes by unscrewing 4 front-panel bolts. All control boards, contactors, and relays are standardized industrial components backed by a guaranteed 10-year factory supply lifecycle. Furthermore, our 36 global sales and service touchpoints maintain localized spare module inventories for rapid dispatch.
Complete Portfolio Directory

Explore Extended Commercial & Modular Charging Hardware

From compact 20kW DC wallboxes to 720kW split-type megawatt dispensers and integrated battery storage chargers, discover our complete certified lineup manufactured in Kunshan, China.

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HizonSun certificate enlarged view