The 90kW dual-gun modular AC-DC fast charger targets public parking hubs and retail destinations, where uptime and quick service access decide revenue. With CCS2 and CCS1 outlets, a 200V-1000V DC window and OCPP 1.6J connectivity, it delivers predictable high-power charging while keeping installation and commissioning simple. This DC fast charging station pairs high utilisation with low maintenance overhead.

1. Modular AC-DC Power Topology and Conversion Chain Power conversion is separated from control logic, so firmware updates and diagnostics never interrupt an active charging session. The 90kW dual-gun unit is built around a modular AC-DC topology that rectifies three-phase AC input onto a regulated DC bus before power reaches the vehicle inlet. Galvanic isolation between grid and vehicle protects both sides during fault events and meets the insulation requirements behind CE and IEC 61851 compliance. A single controller supervises rectification, isolation and metering, which keeps the power path short and trims conversion losses across the whole load range. Bidirectional-ready bus design lets the same platform accept solar or battery energy storage input without a second conversion stage. Matching power modules are documented in the datasheet.

2. 200V-1000V Wide Voltage Output With Constant Power Pre-charge sequencing limits inrush current, shielding vehicle contactors and DC link capacitors from stress during every plug-in. Precision metering at the outlet delivers Class B accuracy, so billed energy matches what the vehicle actually receives. A 1000V ceiling future-proofs the investment, because the same DC fast charging station serves today’s 400V fleets and tomorrow’s 800V platforms. Cable assemblies rated 250A to 400A are matched to each outlet, and CCS2 and CCS1 leads are available in lengths from 4 to 8 metres. Wide range voltage tracking keeps efficiency above 95 percent even when a deeply depleted pack pulls close to the 125A current ceiling.

3. 20kW Hot-Swap Power Modules and N+1 Redundancy Speed-controlled fans and intelligent airflow keep acoustic noise near 65 dB, which suits residential, hospital and retail locations. N plus one redundancy keeps rated 90kW available even while one module is pulled for service, which matters on revenue-critical corridors. Power is delivered by 20kW hot-swappable modules, so a failed unit is exchanged in minutes without isolating the whole cabinet. Thermal design holds junction temperatures stable at 50 degrees ambient, so the DC fast charger sustains rated output in hot climates. Replacement modules ship pre-calibrated, and the controller recognises a new unit automatically once it is fully seated. Compatible EV charging connectors are listed separately.

4. Dynamic Power Allocation Across Dual Outlets Session logs record delivered energy per outlet, which simplifies billing, reconciliation and fleet cost allocation. Matrix switching allows any module to serve any gun, so one cabinet can run a single 125A session or two lower-current sessions. Priority rules can reserve one outlet for emergency fleets while the other follows a normal queue, all configured remotely. Dynamic power allocation distributes available capacity across outlets in real time, letting a single vehicle draw the full 90kW. Load balancing also watches site demand, trimming total draw when the transformer or building load approaches its limit. Scheduling profiles prioritise buses in the morning and light vehicles in the evening without manual intervention. Site rules are tuned from the operator portal.

5. Outdoor IP55 Enclosure Built for Public Sites A powder-coated steel body with anti-corrosion treatment suits coastal, industrial and roadside installations. Ambient range runs from minus 30 to plus 55 degrees Celsius, with internal heaters protecting the 7-inch display in freezing conditions. Optional heating, ventilation and lighting kits extend operation to cold storage yards and dusty mining roads. Surge protection, residual current detection and emergency stop are integrated, and the cabinet is engineered for a ten-year outdoor service life. Front and side service access is available, and the base frame accepts either anchor bolts or a concrete plinth. Each unit is ingress tested at the factory and ships with CE documentation covering insulation and earth continuity checks. Installation drawings cover plinth and cable routing.

6. Smart Payment, OCPP Management and Energy Integration The controller exposes smart charging profiles, so a central system can cap site load during peak tariff periods. Every session produces a metered record covering start, stop and energy delivered, mapping directly to the operator’s billing engine. Local storage keeps sessions running if connectivity drops, then synchronises records once the link returns. An open API and Modbus TCP option let the DC fast charger link with solar, storage and building management systems. Multi-language interface, configurable tariff screens and branded start pages help operators monetise the charging session itself. Communication runs over OCPP 1.6J, so the station integrates with almost any back office without custom middleware. Backend integration follows the OCPP specification.

Deployment Support and Accessories

Projects usually pair the cabinet with Type 2 to Type 2 cables and a OCPP protocol controllers, all supplied from one factory. Engineering teams can review the company profile before order, while commercial questions go through the contact our team page. Standard builds ship in four to six weeks, and documentation covers wiring, grounding and network setup.

Frequently Asked Questions

How is maintenance handled when a power module fails?

Modules are hot-swappable from the front. A technician isolates the affected unit, slides it out and seats a pre-calibrated replacement while the second outlet keeps serving traffic. N plus one redundancy keeps rated output available throughout.

Does the station support solar and battery storage integration?

The DC bus is storage-ready. Solar MPPT or a BESS cabinet can feed the link directly, and the controller can cap grid import during peak tariffs. This suits microgrid and carport projects where demand charges dominate operating cost.

What payment options are available for public drivers?

RFID card, mobile app, QR code, ISO 15118 plug and charge and an optional POS terminal for contactless bank cards. All methods write to the same metered session record, so reconciliation stays simple. Connector options are listed on our EV charging connector page.

What output voltage range does the 90kW unit support?

The charger delivers 200V to 1000V DC at up to 125A, so it serves 400V passenger cars and 800V heavy vehicles from the same outlet. Constant power holds 90kW from about 500V upward, which shortens charging time on modern high-voltage packs.

How does DCDC architecture differ from a conventional AC-DC charger?

A DCDC stage accepts a DC bus from solar or battery storage and converts it directly, skipping one rectification step. That raises round-trip efficiency and lets the modular AC-DC platform operate during grid outages when paired with a BESS cabinet.

Can the two guns charge at the same time at full power?

Yes, with dynamic allocation. Total capacity is shared, so one vehicle can take the full 90kW, or two vehicles can split it according to state of charge. Matrix switching means any module can serve either outlet, and rules are configured remotely.

Which OCPP version should an operator choose?

OCPP 1.6J covers the widest installed base of back offices today. OCPP 1.6J is specified here for certificate handling, plug and charge support and stronger message security. Both profiles work with standard roaming hubs, and the protocol controller datasheet explains the mapping.

As a commercial DC fast charger, the platform is specified for operators who need predictable uptime from a DC fast charging station.

Fleet managers comparing a DC fast charging station against split systems value the single-cabinet service model of this DC fast charger.

The DC fast charging station ships with commissioning support, and every DC fast charger is backed by regional spares.

Choosing a DC fast charger with documented test reports keeps procurement audits simple for any commercial EV charger project.