Enterprise-Grade Dual-Gun & Fast-Charging Product Series
Engineered for mission-critical commercial hubs, public transit corridors, and fleet depots. Seamlessly compliant with GB/T, IEC, CE, and UL standards with integrated dynamic power management.
The Dual Gun EV Charger Paradigm Shift: Maximizing Site ROI & Grid Density
Why modern Charge Point Operators (CPOs), commercial developers, and fleet logistics managers are abandoning single-dispenser units in favor of dynamic dual-connector charging architecture.
Dynamic Matrix Power Distribution
Traditional EV charging stations allocate fixed kilowatt outputs per connector, resulting in stranded electrical capacity when a single vehicle reaches its saturation tail. Dual-gun chargers leverage intelligent internal matrix switching relays to automatically allocate 100% capacity (e.g., 180kW) to one vehicle, or dynamically balance power (e.g., 90kW + 90kW, or 120kW + 60kW) based on real-time Battery Management System (BMS) requests.
- Eliminates stranded transformer capacity
- Real-time sub-second power module switching
- Optimized charging curve compliance
Civil Works & Real Estate Optimization
Civil engineering, trenching, cable conduit laying, and concrete base casting account for up to 45% of total capital expenditure (CAPEX) in public fast-charging deployments. Installing dual-gun EV charging piles allows operators to service two adjacent parking bays from a single pedestal footprint, cutting grid interconnection equipment, trenching distances, and municipal permitting overhead in half.
- 50% reduction in civil transformer footprint
- Serves 2 parking bays simultaneously per base
- Drastically shortens civil construction timelines
Dual Protocol Hybrid Interoperability
Global EV fleets are heterogeneous. While passenger cars increasingly adopt CCS2 or NACS standards, commercial commercial vehicles, municipal buses, and transitional fleets often require GB/T or CHAdeMO connectors. Dual-gun systems from leading China manufacturers allow dual-protocol hybrid configurations (e.g., CCS2 + GB/T, or CCS1 + NACS) within a unified power cabinet, unlocking broad demographic revenue capture.
- Multi-standard hybrid nozzle combinations
- Simultaneous DC fast charging across vehicle types
- Cross-market deployment versatility
China Industry 4.0 Factory: Supply Chain Resilience & Efficiency
Inside the world-class manufacturing cluster of Suzhou and Kunshan: how vertical integration, automated SMT lines, and automotive-grade validation guarantee tier-1 delivery velocity.
Vertical Electronics & SMT Assembly
Unlike assembly-only repackagers, Suzhou HizonSun Tech operates in-house Surface Mount Technology (SMT) production lines. Every Main Control Unit (MCU), CAN-bus communication board, and Power Distribution Board (PDB) is fabricated with 100% Automated Optical Inspection (AOI) and conformal coating to protect against condensation, salt spray, and extreme thermal cycling.
Independent Power Module Production
The power module is the heart of any DC fast charger, representing 50%+ of hardware reliability. We engineer both 30kW and 40kW high-density SiC (Silicon Carbide) power conversion modules featuring high power factors (>0.99) and ultra-low Total Harmonic Distortion (THD < 5%). Dual independent air duct designs seal sensitive electronics from dust and corrosive industrial atmospheres.
Full-Load Burn-In Environmental Stress
Zero defect escapes are assured through a compulsory 72-hour full-load thermal burn-in test inside high-temperature chambers. Every dual-gun EV charger is subjected to simulated grid fluctuations, high-voltage dielectric withstand tests (2500V AC), insulation resistance benchmarking, and continuous maximum-amperage liquid/air gun cycling before palletization.
Supply Chain Hyper-Concentration
Located in the Yangtze River Delta industrial belt, our Kunshan facility benefits from immediate local access to copper magnetics, contactors, structural galvannealed sheet metal, industrial cooling fans, and high-voltage DC contactors within a 50-kilometer radius. This localized supply chain resilience eliminates lead-time bottlenecks and insulates international buyers from shipping volatility.
Single-Gun vs. Integrated Dual-Gun: Comprehensive TCO Comparison
A rigorous comparative assessment for institutional procurement officers, EPC contractors, and network operators calculating Levelized Cost of Energy (LCOE) and payback schedules.
| Evaluation Parameter | Legacy Single-Gun DC Fast Charger | China Dynamic Dual-Gun DC Fast Charger (120kW-240kW) | Advanced Split-Type Multi-Gun DC System (360kW-720kW) |
|---|---|---|---|
| Bays Serviced Per Cabinet | 1 Dedicated Parking Space | 2 Simultaneous Parking Spaces | Up to 8 - 12 Simultaneous Spaces |
| Power Module Utilization Rate | Low (~40-55% during saturation tail) | High (~85-92% with matrix allocation) | Maximized (~95% across multi-vehicle demand) |
| Civil Foundation & Trenching CAPEX | Baseline (100% per vehicle point) | Reduced by 35% - 48% per parking stall | Reduced by up to 60% via central power cabinet |
| Revenue Capture / Day | Limited by vehicle turnaround dwell time | Double throughput capacity per electrical drop | Continuous multi-vehicle high turnover pipeline |
| Connector Failure Vulnerability | Single point of failure shuts down bay | Redundant connector maintains 50-100% uptime | High redundancy; isolated terminal maintenance |
| Protocol Flexibility | Strictly one standard (CCS2 or GB/T) | Hybrid combination possible (e.g., CCS2 + GB/T) | Fully modular dispensers across global standards |
Worldwide Commercial & Industrial Application Scenarios
Engineered to withstand harsh environments—from Middle Eastern desert heat (+55°C) to Nordic sub-zero winters (-35°C)—tailored for distinct enterprise operational profiles.
Highway Express Corridors & Petrol Stations
Highway rest stops require ultra-rapid turnaround times. Dual-gun 180kW–360kW DC chargers allow a single vehicle with an 800V architecture to draw the full 360kW (adding 300km in under 10 minutes), while seamlessly splitting power into 180kW + 180kW when two simultaneous vehicles connect during peak transit hours.
Retail Plazas & Commercial Complexes
For shopping centers and mixed-use commercial properties with 45–90 minute dwell times, 60kW–120kW dual-gun chargers with optional 32-inch high-definition outdoor advertising screens turn regular parking spaces into profit centers. The operator generates recurring revenue from kilowatt-hour tariffs alongside targeted digital ad displays.
Electric Bus Depots & Logistics Hubs
Municipal transport operators and heavy freight delivery fleets operate on rigid schedules. Our 360kW–720kW split-type systems distribute power across multiple dual-gun dispensers. Depot managers utilize OCPP 1.6J/2.0.1 smart load balancing to stagger charging overnight, ensuring 100% state-of-charge (SoC) by morning departure without grid demand penalties.
Microgrid & Weak-Grid Solar+Storage Sites
In regions where municipal transformer capacity is constrained or substation upgrades require multi-year approval delays, our 100kWh–200kWh Battery Energy Storage System (BESS) integrated chargers bridge the gap. They buffer solar generation and off-peak utility power to discharge high-current DC fast charging through dual connectors simultaneously.
Global Safety, Calibration & Protocol Compliance
HizonSun dual-gun hardware is certified to international regulatory directives, ensuring zero friction during local utility grid interconnection and municipal authority commissioning.
European Union: CE, CB & Eichrecht
Fully compliant with EN 61851-1, EN 61851-23, and EN 61851-24 for DC conduction charging, alongside RED Directive radio compliance. For strict European markets such as Germany and Austria, hardware supports MID-certified DC energy meters and transparent encrypted billing architectures conforming to calibration laws (Eichrecht).
North America: UL 2202 & CTEP
Engineered to meet UL 2202 safety requirements for Electric Vehicle (EV) Charging System Equipment and UL 991/1998 functional safety software compliance. Units feature Type 3R/4 outdoor weather enclosures, emergency stop loops, and integration capabilities for California Type Evaluation Program (CTEP) metering.
OCPP 1.6J / 2.0.1 & ISO 15118
Out-of-the-box Open Charge Point Protocol interoperability allows direct binding to any major global charging management software (CSMS). Hardware natively supports ISO 15118-2 and ISO 15118-20 "Plug & Charge" enabling automatic cryptographic vehicle identification, authorization, and bidirectional V2G power exchange.
Frequently Asked Questions: Dual Gun EV Chargers
In-depth answers to technical, commercial, and operational questions addressed by our senior export power electronics engineers.
How does dynamic power sharing operate when two vehicles have differing battery limits?
Can a single charging station support both CCS2 and GB/T or NACS connectors?
What liquid cooling capabilities are available for ultra-fast dual-gun charging?
What minimum transformer capacity and upstream electrical protection are required?
How does HizonSun ensure cyber security and reliable OCPP cloud connectivity?
Enterprise Power Piles & Modular Dual-Gun Solutions
From compact commercial wallboxes to massive 720kW split-bus megawatt configurations. Factory-direct supply from Kunshan, China with full OEM/ODM branding flexibility.
Direct Engineering Partnership: Kunshan Tier-1 Manufacturing
Suzhou HizonSun Tech Co., Ltd. delivers complete turnkey original equipment manufacturing (OEM) and original design manufacturing (ODM) services for global charging network brands, energy utilities, and municipal operators.
Enclosure & Industrial Aesthetic Customization
Our Kunshan production facility provides complete sheet-metal stamping, CNC bending, and electrostatic polyester powder-coating lines. We deliver customized exterior enclosures, distinctive dual-gun holster ergonomics, company brand pantone color matching, and illuminated silk-screen brand signage tailored to corporate brand guidelines.
Embedded UI & Payment Gateway Localization
Dual-gun fast chargers can be equipped with 7-inch to 32-inch high-brightness sunlight-readable touchscreens. Our embedded software engineering team provides multi-language UI translation, localized RFID card reader integration (Mifare, ISO 14443A/B), and secure POS credit-card terminals (Nayax, Ingenico, Payter) conforming to PCI-PTS payment security protocols.
Global Logistics & Lifecycle Spares Support
Operating adjacent to Shanghai Port gives HizonSun unmatched maritime export velocity. All charging cabinets are crated in sea-worthy fumigated wooden packaging with internal desiccant buffers and tilt-indicator shock sensors. We guarantee long-term availability of identical PCB components, contactors, and power modules for a minimum 10-year service life.