# 60kW DC Fast Charger: A Complete Technical Guide
—
## 1. Clear Definition
A **60kW DC Fast Charger** is a stationary electric vehicle charging station that converts alternating current (AC) from the utility grid directly into direct current (DC) to charge an EV’s battery, bypassing the vehicle’s onboard charger (OBC) entirely. Unlike AC chargers that rely on the vehicle’s internal AC-to-DC conversion (typically limited to <15 kW), DC fast chargers deliver high power directly to the battery, enabling significantly faster charge times. The "60kW" designation refers to the maximum output power the charger can deliver to a connected vehicle. At this power level, a typical EV with a 60-80 kWh battery can achieve an 80% state of charge in approximately **45-60 minutes**, depending on the vehicle's acceptance rate and battery chemistry. A 60kW DC fast charger typically consists of: - **AC input stage**: Three-phase 380V–480V AC input - **Power conversion stage**: AC-DC rectification and DC-DC isolation using high-frequency transformers - **Output stage**: Wide DC output voltage range (typically **150V–1000V**) to accommodate various EV battery architectures - **Control and communication systems**: For vehicle interaction, safety monitoring, and network connectivity The charger is typically **floor-standing** with an IP55-rated enclosure for outdoor deployment, featuring a modular design for ease of serviceability. --- ## 2. Application Scenarios 60kW DC fast chargers occupy a strategic position in the EV charging ecosystem—offering faster charging than AC solutions while remaining more cost-effective and easier to deploy than ultra-fast 150kW+ chargers. | Application Scenario | Description | Key Requirements | |----------------------|-------------|------------------| | **Commercial Fleet Depots** | Charging delivery vans, service vehicles, and light-duty trucks overnight or during shift changes | Scheduled charging, load management, OCPP integration | | **Retail & Hospitality** | Shopping centers, hotels, and restaurants offering fast charging as an amenity | User-friendly HMI, payment integration, dual-gun capability | | **Public Charging Hubs** | Urban charging stations and highway corridor deployments | Multi-standard support (CCS2, CHAdeMO), network connectivity, high reliability | | **Workplace Charging** | Employee parking at corporate campuses | Authentication (RFID/APP), smart scheduling, load balancing | | **Behind-the-Fence Private Sites** | Controlled-access locations requiring reliable fast charging | Stand-alone operation, simple deployment, low maintenance | | **Residential High-Power** | High-end homes with 3-phase power availability | Compact footprint, low noise, aesthetic design | The 60kW segment is particularly attractive for **entry-level DC fast charging deployments** where operators need reliable performance without overbuilding infrastructure. According to market research, DC fast chargers in the 31–60kW range serve both residential and commercial applications, with the global market expected to grow at a CAGR of over 23% through 2030. --- ## 3. Technical Architecture & Components A 60kW DC fast charger is a complex system integrating power electronics, control systems, thermal management, and user interfaces. Below is a comprehensive breakdown of the key components: ### 3.1 Power Electronics (The "Heart") | Component | Specification | Notes | |-----------|---------------|-------| | **AC Input** | 380V–415V, 3P+N+PE, 50/60Hz | 400VAC ±10% typical | | **Input Current** | Up to 116A at rated power | Depends on input voltage | | **Power Modules** | 2 × 30kW or 4 × 15kW modules in parallel | Modular design for redundancy | | **DC Output Voltage** | 150V–1000Vdc | Wide range for future EV compatibility | | **Max Output Current** | Up to 200A | 250A typical for 60kW models | | **Power Factor** | ≥0.98–0.99 | Active power factor correction | | **Efficiency** | ≥96% (50–100% load) | >98.5% peak with SiC technology |
**Key Power Semiconductor Technologies:**
– **Silicon Carbide (SiC) MOSFETs**: Enable higher switching frequencies (120–250 kHz), smaller magnetics, and higher efficiency
– **Topology**: 3-phase interleaved LLC or Dual Active Bridge (DAB) converters provide isolation and voltage regulation
### 3.2 Control & Communication (The “Brain”)
| Component | Function |
|———–|———-|
| **Main Controller** | Runs charging logic, manages power flow, monitors safety |
| **EV Communication** | CAN bus or PLC (ISO 15118/DIN 70121) |
| **Network Connectivity** | Ethernet, 4G/5G, WiFi |
| **OCPP Support** | OCPP 1.6J (upgradeable to 2.0.1) |
| **Insulation Monitoring** | Continuous high-voltage isolation check |
| **Metering** | MID-compliant energy meter for accurate billing |
### 3.3 Enclosure & Thermal Management
| Component | Specification |
|———–|—————|
| **Cooling** | Forced-air cooling |
| **IP Rating** | IP55 (dust-proof and water-resistant) |
| **IK Rating** | IK10 (impact resistance) |
| **Operating Temp** | -30°C to +50°C |
| **Enclosure Material** | Galvanized steel sheet |
### 3.4 User Interface & Connectivity
| Component | Specification |
|———–|—————|
| **Display** | 7–10 inch LCD touchscreen |
| **Authentication** | RFID, APP, QR code, payment terminal |
| **Connectors** | CCS2 (standard), CHAdeMO, GB/T optional |
| **Cable Length** | 5 meters typical |
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## 4. Technical Process: How a 60kW DC Fast Charger Works
The charging process follows a **sequential, safety-critical workflow**:
“`
┌─────────────────────────────────────────────────────────────────────────────┐
│ 60kW DC FAST CHARGING PROCESS │
├─────────────────────────────────────────────────────────────────────────────┤
│ │
│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ ┌──────────┐ │
│ │ 1. Physical │───▶│ 2. Handshake │───▶│ 3. Parameter │───▶│4. Pre- │ │
│ │ Connection │ │ & Auth │ │ Negotiation │ │Charge │ │
│ └──────────────┘ └──────────────┘ └──────────────┘ └──────────┘ │
│ │ │ │ │ │
│ ▼ ▼ ▼ ▼ │
│ ┌──────────────────────────────────────────────────────────────────────┐ │
│ │ 5. Power Delivery (Ongoing) │ │
│ │ ┌────────────────────────────────────────────────────────────┐ │ │
│ │ │ AC Grid → Rectifier → DC Bus → DC-DC Converter → Vehicle │ │ │
│ │ └────────────────────────────────────────────────────────────┘ │ │
│ │ ▲ ▲ │ │
│ │ │ Real-time feedback loop │ │ │
│ │ └──────────────┬───────────────┘ │ │
│ └─────────────────────────────┼───────────────────────────────────────┘ │
│ │ │
│ ▼ │
│ ┌──────────────────────────────────────────────────────────────────────┐ │
│ │ 6. Charging Termination │ │
│ │ (Target SoC reached / User stop / Error condition) │ │
│ └──────────────────────────────────────────────────────────────────────┘ │
│ │
└─────────────────────────────────────────────────────────────────────────────┘
“`
### Step-by-Step Breakdown:
**Step 1: Physical Connection** — The charging cable is plugged into the vehicle. The charger detects the connection via the Proximity Pilot (PP) pin.
**Step 2: Handshake & Authentication** — The vehicle and charger exchange identification. Authentication may occur via RFID, APP, or ISO 15118 Plug & Charge.
**Step 3: Parameter Negotiation** — The vehicle’s BMS communicates its requirements (voltage, current limits, target SoC) via CAN bus or PLC. The charger confirms its capabilities.
**Step 4: Pre-Charge** — The charger applies a low voltage/current to match the vehicle’s battery voltage, preventing inrush current when main contactors close.
**Step 5: Power Delivery** — Main contactors close. The charger converts AC to DC and delivers power according to the negotiated profile. Throughout this phase, **real-time feedback** from the vehicle adjusts the output dynamically.
**Step 6: Termination** — Charging stops when the target is reached, the user stops, or an error occurs. The charger safely ramps down and disconnects.
—
## 5. Comparison Table: 60kW DC Fast Charger vs. Alternatives
| Feature | 60kW DC Fast Charger | 22kW AC Charger | 150kW DC Fast Charger |
|———|———————|—————–|———————-|
| **Power Output** | 60kW DC | 22kW AC | 150kW DC |
| **Charge Time (80% for 80kWh battery)** | ~60 min | ~4–5 hours | ~25–30 min |
| **Vehicle OBC Bypass** | ✅ Yes | ❌ No | ✅ Yes |
| **Input Voltage** | 380–480V 3-phase | 230/400V 3-phase | 480V 3-phase |
| **Output Voltage Range** | 150–1000Vdc | 230Vac (vehicle OBC dependent) | 150–1000Vdc |
| **Max Output Current** | 200–250A | 32A | 350–500A |
| **Cooling** | Forced air | Passive | Liquid cooling (often) |
| **Typical Efficiency** | ≥96% | ~95% | ≥95% |
| **Installation Cost** | Moderate | Low | High |
| **Typical Use Case** | Commercial, fleet, public | Residential, workplace | Highway, high-traffic public |
—
## 6. Standards & Protocols
### 6.1 Vehicle Communication Standards
| Standard | Description | Key Features |
|———-|————-|————–|
| **ISO 15118-2** | International standard for EV-EVSE communication | Plug & Charge, PKI security, smart charging |
| **DIN 70121** | German preliminary standard for DC charging | Early CCS implementation, DC-only |
| **IEC 61851** | General EV charging requirements | Safety, basic signaling |
### 6.2 Network Communication Standards
| Standard | Description |
|———-|————-|
| **OCPP 1.6J** | Current widely-deployed protocol for charger-to-backend communication |
| **OCPP 2.0.1** | Next-generation protocol with smart charging, enhanced security, and improved transaction management |
### 6.3 Safety & Certification Standards
| Standard | Requirement |
|———-|————-|
| **IP55 / IP54** | Dust and water ingress protection |
| **IK10** | Impact resistance for vandal-prone locations |
| **CE, UKCA, RoHS** | European market compliance |
| **UL 2202 / UL 2231** | North American safety standards |
—
## 7. Product Architecture Diagram
Below is a comprehensive system architecture diagram for a 60kW DC fast charger:
“`
┌─────────────────────────────────────────────────────────────────────────────────────┐
│ 60kW DC FAST CHARGER SYSTEM ARCHITECTURE │
├─────────────────────────────────────────────────────────────────────────────────────┤
│ │
│ ┌─────────────────────────────────────────────────────────────────────────────┐ │
│ │ UTILITY GRID (AC INPUT) │ │
│ │ 380-415V, 3P+N+PE, 50/60Hz │ │
│ └───────────────────────────────────┬─────────────────────────────────────────┘ │
│ │ │
│ ▼ │
│ ┌─────────────────────────────────────────────────────────────────────────────┐ │
│ │ POWER DISTRIBUTION & PROTECTION │ │
│ │ ┌──────────┐ ┌──────────┐ ┌──────────┐ ┌──────────┐ ┌──────────┐ │ │
│ │ │ Circuit │ │ Surge │ │ EMI │ │ Contac- │ │ Fuses │ │ │
│ │ │ Breaker │──│Protection│──│ Filter │──│ tors │──│ & Relays │ │ │
│ │ └──────────┘ └──────────┘ └──────────┘ └──────────┘ └──────────┘ │ │
│ └───────────────────────────────────┬─────────────────────────────────────────┘ │
│ │ │
│ ▼ │
│ ┌─────────────────────────────────────────────────────────────────────────────┐ │
│ │ POWER CONVERSION (The “Heart”) │ │
│ │ ┌─────────────────────────────────────────────────────────────────────┐ │ │
│ │ │ AC-DC Rectification Stage │ │ │
│ │ │ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │ │ │
│ │ │ │ Active Front │ │ DC Bus │ │ PFC │ │ │ │
│ │ │ │ End (AFE) │──│ Capacitors │──│ Control │ │ │ │
│ │ │ └──────────────┘ └──────────────┘ └──────────────┘ │ │ │
│ │ └─────────────────────────────────────────────────────────────────────┘ │ │
│ │ │ │ │
│ │ ▼ │ │
│ │ ┌─────────────────────────────────────────────────────────────────────┐ │ │
│ │ │ DC-DC Isolation & Regulation Stage │ │ │
│ │ │ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │ │ │
│ │ │ │ SiC MOSFET │ │ High-Freq. │ │ Output │ │ │ │
│ │ │ │ Inverter │──│ Transformer │──│ Rectifier │ │ │ │
│ │ │ │ (LLC/DAB) │ │ (Isolation) │ │ & Filter │ │ │ │
│ │ │ └──────────────┘ └──────────────┘ └──────────────┘ │ │ │
│ │ └─────────────────────────────────────────────────────────────────────┘ │ │
│ │ │ │
│ │ ┌─────────────────────────────────────────────────────────────────────┐ │ │
│ │ │ POWER MODULES (2×30kW or 4×15kW) │ │ │
│ │ │ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │ │ │
│ │ │ │ Module 1 │ │ Module 2 │ │ Module N │ │ │ │
│ │ │ │ 30kW │ │ 30kW │ │ (Redundant) │ │ │ │
│ │ │ └──────────────┘ └──────────────┘ └──────────────┘ │ │ │
│ │ │ │ │ │ │ │
│ │ │ ▼ ▼ │ │ │
│ │ │ ┌─────────────────────────────────────┐ │ │ │
│ │ │ │ Parallel Output Busbar │ │ │ │
│ │ │ └─────────────────────────────────────┘ │ │ │
│ │ └─────────────────────────────────────────────────────────────────────┘ │ │
│ └───────────────────────────────────┬─────────────────────────────────────────┘ │
│ │ │
│ ▼ │
│ ┌─────────────────────────────────────────────────────────────────────────────┐ │
│ │ DC OUTPUT & PROTECTION │ │
│ │ ┌──────────┐ ┌──────────┐ ┌──────────┐ ┌──────────┐ │ │
│ │ │ Output │ │ Insula- │ │ Output │ │ Metering│ │ │
│ │ │ Contac- │──│ tion │──│ Fuses │──│ (MID │ │ │
│ │ │ tors │ │ Monitor │ │ │ │ Compl.) │ │ │
│ │ └──────────┘ └──────────┘ └──────────┘ └──────────┘ │ │
│ └───────────────────────────────────┬─────────────────────────────────────────┘ │
│ │ │
│ ▼ │
│ ┌─────────────────────────────────────────────────────────────────────────────┐ │
│ │ CHARGING CABLE & CONNECTOR │ │
│ │ ┌─────────────────────────────────────────────────────────────────────┐ │ │
│ │ │ CCS2 / CHAdeMO / GB/T | 5m Length | Up to 250A │ │ │
│ │ └─────────────────────────────────────────────────────────────────────┘ │ │
│ └─────────────────────────────────────────────────────────────────────────────┘ │
│ │
│ ════════════════════════════════════════════════════════════════════════════════ │
│ │
│ ┌─────────────────────────────────────────────────────────────────────────────┐ │
│ │ CONTROL & COMMUNICATION (The “Brain”) │ │
│ │ │ │
│ │ ┌──────────────────────────────┐ ┌──────────────────────────────────┐ │ │
│ │ │ MAIN CONTROLLER │ │ COMMUNICATION MODULES │ │ │
│ │ │ • Charging logic │ │ • Ethernet / 4G / WiFi │ │ │
│ │ │ • Safety monitoring │ │ • OCPP 1.6J / 2.0.1 │ │ │
│ │ │ • Power management │ │ • CAN / RS485 / RS232 │ │ │
│ │ └──────────────┬───────────────┘ └──────────────┬───────────────────┘ │ │
│ │ │ │ │ │
│ │ └───────────────┬───────────────────┘ │ │
│ │ │ │ │
│ │ ┌──────────────────────────────▼──────────────────────────────────────┐ │ │
│ │ │ VEHICLE COMMUNICATION (ISO 15118 / DIN 70121) │ │ │
│ │ │ ┌──────────────────────────────────────────────────────────────┐ │ │ │
│ │ │ │ PLC Modem (Power Line Communication over CP pin) │ │ │ │
│ │ │ └──────────────────────────────────────────────────────────────┘ │ │ │
│ │ └─────────────────────────────────────────────────────────────────────┘ │ │
│ │ │ │
│ │ ┌─────────────────────────────────────────────────────────────────────┐ │ │
│ │ │ USER INTERFACE (HMI) │ │ │
│ │ │ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │ │ │
│ │ │ │ 7-10″ │ │ RFID Reader │ │ Payment │ │ │ │
│ │ │ │ Touchscreen │ │ │ │ Terminal │ │ │ │
│ │ │ └──────────────┘ └──────────────┘ └──────────────┘ │ │ │
│ │ └─────────────────────────────────────────────────────────────────────┘ │ │
│ └─────────────────────────────────────────────────────────────────────────────┘ │
│ │
│ ════════════════════════════════════════════════════════════════════════════════ │
│ │
│ ┌─────────────────────────────────────────────────────────────────────────────┐ │
│ │ THERMAL MANAGEMENT SYSTEM │ │
│ │ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │ │
│ │ │ Forced Air │ │ Heat Sinks │ │ Thermal │ │ │
│ │ │ Fans │──│ (Power │──│ Sensors │ │ │
│ │ │ │ │ Modules) │ │ │ │ │
│ │ └──────────────┘ └──────────────┘ └──────────────┘ │ │
│ └─────────────────────────────────────────────────────────────────────────────┘ │
│ │
└─────────────────────────────────────────────────────────────────────────────────────┘
“`
—
## 8. Frequently Asked Questions (FAQ)
### Q1: How long does a 60kW DC fast charger take to charge an EV?
**A:** For a typical EV with a 60–80 kWh battery, a 60kW charger delivers an 80% charge in approximately **45–60 minutes**. The actual time depends on the vehicle’s maximum acceptance rate, battery state of charge, temperature, and the charger’s output voltage compatibility with the vehicle’s battery pack.
### Q2: What vehicles are compatible with a 60kW CCS2 DC fast charger?
**A:** Most modern EVs with CCS2 (Combined Charging System Type 2) ports are compatible, including models from **BMW, Mercedes-Benz, Volkswagen, Audi, Porsche, Ford, Hyundai, Kia, and Volvo**. Some models may also support CHAdeMO or GB/T depending on the connector configuration.
### Q3: Can a 60kW charger charge two vehicles simultaneously?
**A:** Yes, many 60kW models support **dual-gun output** with intelligent power sharing. When two vehicles are connected, the power is typically split equally (e.g., 30kW + 30kW). Some models support sequential charging of up to 5 vehicles.
### Q4: What is the difference between a 60kW and a 150kW DC fast charger?
**A:** The primary difference is charging speed. A 150kW charger can charge the same battery in ~25–30 minutes versus ~60 minutes for a 60kW charger. However, 60kW chargers are **more affordable to purchase, install, and maintain**, and require less grid infrastructure (lower amperage draw).
### Q5: What communication protocols does a 60kW DC fast charger use?
**A:** The charger communicates with the vehicle via **CAN bus** or **PLC (Power Line Communication)** using ISO 15118-2 or DIN 70121 standards. For backend communication, it uses **OCPP 1.6J** or **OCPP 2.0.1** over Ethernet, 4G, or WiFi.
### Q6: What is Plug & Charge and does a 60kW charger support it?
**A:** Plug & Charge (ISO 15118) allows automatic authentication and billing simply by plugging in, without RFID cards or mobile apps. Support depends on the charger’s communication module; many modern 60kW chargers include this capability.
### Q7: What safety features are included in a 60kW DC fast charger?
**A:** Standard safety features include over/under voltage protection, overload protection, short circuit protection, over/under temperature protection, surge protection, insulation monitoring, ground fault detection, and emergency stop.
### Q8: Can a 60kW DC fast charger be installed outdoors?
**A:** Yes, most 60kW DC fast chargers are rated **IP55** (dust-proof and water-resistant) and operate in temperatures from **-30°C to +50°C**, making them suitable for outdoor deployment.
### Q9: What is the typical efficiency of a 60kW DC fast charger?
**A:** Modern 60kW DC fast chargers achieve **≥96% efficiency** at 50–100% load. With silicon carbide (SiC) technology, peak efficiencies can exceed **98.5%**.
### Q10: What maintenance does a 60kW DC fast charger require?
**A:** Routine maintenance includes cleaning air filters/fans, inspecting cable connectors for wear, checking for error logs via OCPP, and periodic firmware updates. The modular design allows for easy replacement of individual power modules without taking the entire unit offline.
—
## 9. Share Charging: Our Real-World Project Capabilities
**Share Charging** is a trusted provider of intelligent EV charging solutions, delivering high-performance 60kW DC fast chargers across diverse deployment scenarios. Our solutions are built on a foundation of technical excellence, regulatory compliance, and real-world reliability.
### 🔹 Core Technical Capabilities
| Capability | Description |
|————|————-|
| **Power Range** | 60kW–240kW DC fast charging solutions |
| **Connector Support** | CCS2 (standard), CHAdeMO, GB/T optional |
| **Output Voltage** | 150V–1000Vdc wide range |
| **Dual-Gun Support** | Simultaneous charging with intelligent power sharing |
| **Efficiency** | ≥96% at 50–100% load |
| **Communication** | ISO 15118-2, DIN 70121, OCPP 1.6J/2.0.1 |
### 🔹 Standards & Compliance
– **Full compliance** with IEC 61851, ISO 15118, and DIN 70121
– **IP55** dust and water ingress protection
– **IK10** impact resistance
– **CE, UKCA, RoHS** certified for European markets
– **MID-compliant** energy metering for accurate billing
### 🔹 Connectivity & Smart Features
– **Multiple network options**: Ethernet, 4G/5G, WiFi
– **OCPP 2.0.1 ready**: Smart charging, demand response, and dynamic power distribution
– **Remote monitoring & diagnostics**: 24/7 proactive maintenance support
– **Over-the-air (OTA) firmware updates**: Future-proof your investment
– **Load management**: Real-time grid-aware power distribution
### 🔹 Deployment Expertise
Share Charging has successfully deployed 60kW DC fast charging solutions across:
| Deployment Type | Examples |
|—————–|———-|
| **Commercial Fleet Depots** | Delivery vehicle fleets, service fleets |
| **Public Charging Hubs** | Urban centers, retail locations |
| **Behind-the-Fence Sites** | Private parking, controlled-access facilities |
| **Workplace Charging** | Corporate campuses, employee parking |
### 🔹 Why Choose Share Charging?
1. **Proven Interoperability**: Extensively tested with major EV brands including BMW, Mercedes-Benz, Volkswagen, Audi, and Porsche
2. **Modular Design**: Easy serviceability and scalability—power modules can be replaced or upgraded without full unit replacement
3. **All-in-One Architecture**: Reduced installation and maintenance costs by uniting dispensers with power cabinets
4. **Future-Ready**: OCPP 2.0.1 and ISO 15118-20 ready for V2G (Vehicle-to-Grid) applications
5. **Comprehensive Support**: End-to-end services from site assessment to installation, commissioning, and ongoing maintenance
—
## References
1. Wolfspeed, “CRD-60DD12N-K 60 kW Discrete Interleaved LLC DC-DC Converter”
2. Wolfspeed, “Maximize Efficiency in Isolated DC/DC Converters for EV Fast Charging Systems”
3. Blink Charging, “60kW–360kW DC Fast Charger”
4. BENY New Energy, “Economic DC EV Charging Station BEDC”
5. Livoltek, “MotionFast DC Charging Station 60/120kW”
6. Power Sonic, “EVDC-CORE-60”
7. OCPP 2.0.1 Features and Benefits
8. ISO 15118 Family of Standards
9. The Business Research Company, “Direct Current (DC) Fast Home Charger Global Market Report 2026”
—
*For more information about Share Charging’s 60kW DC fast charging solutions, please contact our technical sales team.*
