Kvaser Leaf Light Rugged HS

EAN: 73-30130-00427-6

NOTE: The Kvaser Leaf Light Rugged HS (73-30130-00427-6) has been designated Not For New Design (NFND), effective September 27, 2017.

This means that: a) these products will be available for 12 months from NFND initiation, b) after 12 months, these products are not guaranteed to be available, and c) at that point will be subject to price increases.

The goal of the NFND policy is to extend the life of our products as long as possible to serve our customers with extremely long product life cycles.

We encourage customers to migrate to the new version of the product, Kvaser Leaf Light R v2 (EAN: 73-30130-00921-9). You can purchase these interfaces on the Kvaser website or through a Qualified Sales Representative (QSR).

Download the official NFND Notice here.

Kvaser Leaf Light Rugged is a one channel USB interface for CAN. While the internal components are the same as the popular Leaf Light HS, the rugged IP65-rated housing assures reliable protection against water and dust in harsh environments.

Major Features

  • IP65 rated lightweight aluminium housing. IP certification rates the level of intrusion by solids and liquids. IP 65 level confirms that the device is: “Protected from total dust ingress. Protected from low pressure water jets from any direction.”
  • Polyurethane cabling for extreme environments.
  • Temperature range -40 °C - +85 °C.
  • 8000 messages per second, each time-stamped with 100 microsecond accuracy.
  • Supports both 11-bit (CAN 2.0A) and 29-bit (CAN 2.0B active) identifiers.
  • Supports data and remote frames.
  • Detects error frames.
  • Very good EMC performance.
  • Fully compatible with all higher layer protocols including J1939 and CANopen.
  • Interfaces the CAN bus with a 9-pin D-SUB connector.
  • Galvanically isolated CAN bus driver.
  • Designed for USB 2.0, backward compliant with USB 1.1.
  • Low power-consumption.
  • Quick and easy Plug-and-Play installation.
  • A practically unlimited number of Kvaser Leafs can be connected via standard USB hubs for simultaneous use on a single PC.


  • 2-Year Warranty. See our General Conditions and Policies for details.



  • Documentation, software and drivers can be downloaded for free at www.kvaser.com/downloads.
  • Kvaser CANLIB SDK is a free resource that includes everything you need to develop software for the Kvaser CAN interfaces. Includes full documentation and many program samples, written in C, C++, C#, Delphi, and Visual Basic.
  • All Kvaser CAN interface boards share a common software API. Programs written for one interface type will run without modifications on the other interface types!
  • J2534 Application Programming Interface available.
  • RP1210A Application Programming Interface available.
  • On-line documentation in Windows HTML-Help and Adobe Acrobat format.

Kvaser Firmware Update Tool

Firmware Update tool for most Kvaser devices.

Version V4.19.998 Download

Kvaser Linux Drivers and SDK

Linux drivers and SDK for most Kvaser devices.

Version V5.30.995 Download

Kvaser DIADEM driver

This free driver for National Instrument's DIAdem supports all CAN hardware from Kvaser.

Version V4.1.0 Download

Kvaser Drivers for Windows

Windows drivers for all our CAN hardware. Please check the release notes for information on which Windows versions are supported. The package also contains a driver for a virtual CAN bus, for testing and evaluation when you don't have access to a physical CAN bus.

Version V5.30.995 Download
Development Kits and Tools

Python module

The Canlib module is a Python wrapper for Kvaser CANlib SDK.

Version V1.12.251 Download

Kvaser LabView VI Library for CAN

Library for National Instrument's LabView. Version for all Kvaser CAN hardware.

Version V19.3.0 Download

Kvaser CANlib SDK

Software development kit - everything you need to develop software for the Kvaser CAN and LIN interfaces. Libraries, header files, sample programs for e.g. C, C++, C#, Visual Basic and Delphi, documentation, and more. Note: you need to download and install the appropriate device drivers separately.

Version V5.30.995 Download

Kvaser Leaf User Guide

Kvaser Leaf User Guide

Version V16.1.191008 Download

Kvaser Leaf Installation Guide

Kvaser Leaf Installation Guide

Version V4.1.0 Download