OSTEV-AI-DFD Dispenser charging station game changer in electric vehicle charger(up to 720kW)
OSTEV-AI-DFD Dispenser charging station the Future-proof Super Power Charging Solutions.
The Distributed DC Dispenser: A Scalable Solution for EV Charging.
The OSTEV-AI-DFD Distributed DC Dispenser Electric Vehicle (EV) charging station represents a modern approach to EV charging infrastructure, designed for scalability and optimized grid utilization. Unlike traditional centralized fast-charging stations that aggregate power conversion and distribution in a single large unit, distributed dispensers separate these functions.
The core principle involves distributing DC power conversion equipment across multiple smaller, more manageable units, each dedicated to a single charging dispenser. This architecture offers several advantages. First, it enhances redundancy. A failure in one dispenser unit only affects a single charging port, leaving others operational. Second, it allows for modular expansion. As demand increases, additional dispenser units can be easily added without significant infrastructure overhaul. Third, it facilitates load balancing on the grid. By distributing power demand across multiple points, it reduces stress on localized grid segments and promotes efficient energy utilization.
In essence, the Distributed DC Dispenser EV charging station leverages a distributed architecture to provide a more resilient, scalable, and grid-friendly solution for the growing demands of EV charging. This architecture is particularly well-suited for deployments in urban environments and locations where grid capacity is limited, offering a viable path towards widespread EV adoption.


















Specifications
Product Specifications
Model | OSTEV-AI-DFD360 | OSTEV-AI-DFD480 | OSTEV-AI-DFD600 | OSTEV-AI-DFD720 |
Technical parameters of power cabinet | ||||
Max Power | Up to 360KW | Up to 480KW | Up to 600KW | Up to 720KW |
Input Voltage | 400VAC±10%-50/60Hz-3phase(CCS2 and GB/T ) 480VAC±10%-50/60Hz-3phase(CCS1+NACS) | |||
Maximum input current | 2*284A | 2*384A | 2*480A | 2*576A |
Power factor | ≥0 .99 | |||
Efficiency | >95% | |||
Measuring accuracy | Level 0 .5 | |||
Output voltage range | CCS: 150~ 1000VDC | |||
Output current range | 1600A@300V , 960A@500V , 480A@ 1000V | |||
Output modes | Up to 8 outputs and used as input for charging terminals | |||
Charging terminals | The charging terminal supports conventional single and double gun terminals , and liquid cooled charging terminals (optional) | |||
Human-computer interaction | 7-inch color touch LCD screen , LED display light , emergency stop switch | |||
Size and weight | 1000*2000*800mm /450kg (excluding modules) | |||
Protection level | IP55 | |||
Technical parameters of charging terminals | ||||
DC Output voltage | 150V-1000VDC | |||
Number of gun | 2PCS / 1 PCS | |||
Maximum output power | Regular: 180kW@300 ~ 1000V Liquid cooling: 480kW@300~1000V(optional) | Regular: 180kW@300~ 1000V Liquid cooling: 600kW@300~1000V(optional) | Regular: 180kW@300 ~ 1000V Liquid cooling: 600kW@300~ 1000V(optional) | Regular: 180kW@300 ~ 1000V Liquid cooling: 600kW@300~ 1000V(optional) |
Maximum output current | Conventional: 250A Liquid cooling:500A(optional) | Conventional: 250A Liquid cooling:600A(optional) | Conventional: 250A Liquid cooling: 600A(optional) | Conventional: 250A Liquid cooling: 600A(optional) |
Power distribution | average 60kW single gun output , 60kW/ 120kW/ 180kW intelligent distribution | |||
Charging mode | automatically switches based on power, round charging , gun insertion , and timed switching | |||
Communication | ISO15118 / DIN70121(between charger & vehicle) Ethernet/4G/OCPP 1 .6J(TLS1 .2 ) | |||
User interface | LCD 7 inch Touch Screen / RFID card and APP | |||
Versatility | EN/ IEC 61851-1: 2019 , EN/ IEC 61851-23: 2014 , UL 2202 , Ul2594 | |||
Security design | Over/ under voltage protection , overload protection , current leakage protection , grounding protection , lightening surge protection | |||
DC Plugs | Cable 5M | |||
Energy Meter | CE certified | |||
Size and weight | Conventional charging terminal: 500 * 1750 * 260mm 155 kg/ pile Liquid cooling charging terminal: 500 * 1750 * 350mm 190 kg/ pile | |||
IP Level | IP54 | |||
other | ||||
Cooling | Air cooled / Liquid cooling | |||
Sound noise | <70DB in all directions | |||
Operating temperature | -30C ° to +70C ° | |||
Humidity | Max .95%(non-regulating) | |||
Working altitude | ≤2000m , derated output above 2000m |
Product Features
360-720KW DC Fast charging station
- Satellite design: Satellite design , flexible power distribution between terminals The power cabinet has a small footprint and can be flexibly deployed The charging terminal is installed near the parking space , with low noise
- Powerful features: Support remote control , diagnosis , and OTA upgrades
Supports multiple charging methods such as mobile phone scanning , card swiping , and VIN code charging
Charging voltage of 150V-1000V, supporting all electric vehicle charging - Super fast charging: Multi gun design , single gun can output maximum power The maximum output of a conventional charging gun is 250A
The maximum output of the liquid cooled
charging gun is 500A - Safe and reliable: Isolation air duct adhesive module with extremely low failure rate G4 filter configuration , good protection effect , and simple maintenance Selecting high-quality components for a long lifespan
Split design with low terminal noise.
Worldwide Projacts


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Elevate your business with the QST EV Smart Charging Solution—where innovation meets sustainability.

Flexible deploy charging strategy according
to charging application
- For the application scenarios of charging piles in the next ten years, the growth trend of electric vehicle charging power mainly depends on the operation of charging stations.
- There is a need to invest in charging infrastructure at the right time and be able to adapt to future EV charging changes.
- QSTEV charger distributed chargers can expand capacity to improve the profitability of EVC station operations.

Smart APP Control
QST EV AC EV chargers can be controlled by a smart APP via WIFI or Bluetooth connection:
- One to one binding EV charger by resetting the password, prevent the EV charger being stolen;
- View charging data and status;
- Set up various charging configurations, charging current, DLB mode, etc.
- Scheduled charging;
- Firmware update;
Find the right EV charging solution for your business
Elevate your business with the QST EV Smart Charging Solution—where innovation meets sustainability.

Dynamic Load Balancing
The QST EV series home AC EV chargers are equipped with DLB (Dynamic Load Balancing) technology. When the EV charger is running simultaneously with other home appliances, the DLB box ensures a dynamic balance of the total household current. This function guarantees electricity safety and prevents household overload, thus enabling efficient and safe charging of EVs.

Smart APP Control
QST EV AC EV chargers can be controlled by a smart APP via WIFI or Bluetooth connection:
- One to one binding EV charger by resetting the password, prevent the EV charger being stolen;
- View charging data and status;
- Set up various charging configurations, charging current, DLB mode, etc.
- Scheduled charging;
- Firmware update;
Find the right EV charging solution for your business
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