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  4. Aqua 75 DC Fast Charger vs QST EVSE CHARGER QSTEV22K-C3

Aqua 75 DC Fast Charger vs QST EVSE CHARGER QSTEV22K-C3

General for EV Charging Station

Model Aqua 75 DC QSTEV22K-C3
Manufacturer Aqua superPower QST (QST Global Group)
Launch Date 2021 (Commercial deployments from 2022 onward)
Status Available (in operation at multiple marine charging sites) Available
Country of origin United Kingdom / Europe China

EV Charging Station Performance

Power Output (kW) 75 kW DC 24 kW
Voltage (V) Up to 920 V DC 380 V
Current (A) Up to 188 A 32 A
Charging Levels DC Fast ( Level 3 ) Level 2 (AC)
Charging Speed Recharges two electric boats in ≈ 20–40 minutes (approx.) Up to ~120 km range per hour (depending on EV efficiency)

Compatibility

Connector Type(s) Dual CCS (Type 1 or 2 depending on region) Type 2 (cable with Type 2 plug, 5 m length)
Supported EV Standards CCS (Combined Charging System) Type 2 AC (IEC 62196 standard)
Vehicle Communication Protocols OCPP 1.6J, RFID/NFC support OCPP 1.6J

Electrical / Installation

Input Power Requirements 3-Phase AC 400 V (EU) / 480 V (US) ±10 %, 114 A @ 400 V / 95 A @ 480 V 380 V AC, likely 3-phase, 32 A
Efficiency 95 %
Onboard Conversion Integrated AC→DC power module AC supply → vehicle onboard charger handles DC conversion
Cooling System Liquid-cooled

Safety & Compliance

Overcurrent Protection Yes Yes
Ground Fault Protection Yes (earth continuity monitor) Type A RCD
Thermal Protection Yes (with power de-rating above 50 °C) Yes (temperature monitoring)
Certifications CE, cTUVus (pending) MID / PTB certified metering
Standards EMC directive, IEC standards IEC 62196, OCPP 1.6 compliance

Smart Features

Connectivity Ethernet, 3G/4G cellular WiFi, Ethernet, 4G, Bluetooth
User Interface LCD display (optional), LED status, RFID access, Aqua App support Mobile app, LED indicators, optional display
Payment Options RFID card, optional contactless credit card RFID, mobile app, multi-payment support
Smart Charging Cloud-managed network control Yes (OCPP-based remote management)
Load Balancing Supported via backend management
Scheduling Supported via backend management

Environmental & Physical

IP Rating IP65 (waterproof & marine-grade) IP55 (optional IP65)
Operating Temperature Range −35 °C to +40 °C (full power); up to +50 °C (de-rated)
Installation Type Floor-standing column Wall-mounted / pole-mounted (fixed)
Cabin Type 6 m (twin CCS cables included) 5 m Type 2 cable
Weight 266 kg (587 lbs)
Dimensions 1998 × 850 × 309 mm (79 × 34 × 12 in)
  Aqua 75 DC Fast Charger QST EVSE CHARGER QSTEV22K-C3

Disclaimer Note

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