Description
Kvaser Leaf v3 – USB-to-CAN & CAN FD Interface
The Kvaser Leaf v3 is a compact, reliable USB-to-CAN and CAN FD interface, available via CanEduDev for education, research, and professional development use.
Whether you’re teaching CAN fundamentals in a lab, analyzing live CAN traffic in real time, integrating CAN connectivity into student projects or CanEduDev demo platforms, or performing ECU development and diagnostics, the Kvaser Leaf v3 delivers dependable performance in a simple, plug-and-play form factor.
Simple. Reliable. High-Performance CAN Connectivity.
Designed for engineers, educators, and developers, the Kvaser Leaf v3 is one of the most cost-effective ways to connect a computer to a CAN or CAN FD network for monitoring and message transmission. Its USB 2.0 Type-A connector and 9-pin D-SUB CAN interface make setup fast and hassle-free—no external power required.
The rugged yet lightweight enclosure makes it suitable for daily lab use, mobile diagnostics, and space-constrained environments.
Key Highlights
- Handles up to 20,000 CAN messages per second with 50 µs timestamp resolution
- CAN FD support with bitrates up to 8 Mbit/s
- USB-powered operation – no external supply needed
- True plug-and-play installation
- Silent mode for passive bus monitoring
- Built-in galvanic isolation for protection against electrical noise and surges
- Supports simultaneous use of multiple Kvaser interfaces
- Compatible with Kvaser’s free CAN tools and advanced third-party software
- SocketCAN support for Linux environments
Supported Protocols & Use Cases
With compatible software, the Kvaser Leaf v3 supports:
- J1939
- CANopen
- NMEA 2000®
- DeviceNet
Ideal for:
- ECU development & debugging
- Diagnostics & calibration
- CAN bus analysis
- Academic labs & training programs
- Research and prototype development
Software & Developer Ecosystem
- Free access to drivers, documentation, and utilities
- Kvaser CANLIB SDK (C, C++, C#, Delphi, Visual Basic)
- Unified API across all Kvaser interfaces
- J2534 and RP1210A API support
- Extensive online documentation (HTML & PDF)
Technical Specifications
| Specification | Details |
| Channels | 1 |
| CAN / CAN FD Bitrate | 20 kbps – 1 Mbps / up to 8 Mbps |
| Messages per Second | 20,000 (Tx/Rx) |
| Timestamp Resolution | 50 µs |
| Connector | 9-pin D-SUB |
| PC Interface | USB |
| Galvanic Isolation | Yes |
| Silent Mode | Yes |
| Operating Systems | Windows 10/11, Linux |
| Temperature Range | -20 °C to +70 °C |
| Dimensions | 165 × 35 × 17 mm |
| Weight | 110 g |
| Certifications                  | CE, FCC |
Warranty & Support
- 2-Year manufacturer warranty
- Optional 1-year extension upon registration
- Free technical support from Kvaser
Why Buy From CanEduDev?
- Authorized supplier of genuine Kvaser hardware
- Hardware curated for education, labs, and R&D
- Expert guidance for student projects and professional deployments
- Fast, reliable worldwide delivery
- Dedicated pre- and post-sales technical support
At CanEduDev, we help you move beyond theory—from learning CAN to building real-world systems.


