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Phytools will be closed for the holidays from 12/24/24 - 1/1/25. Orders placed between 12/24 - 12/29 will ship 12/30.
Phytools will be closed for the holidays from 12/24/24 - 1/1/25. Orders placed between 12/24 - 12/29 will ship 12/30.

Kvaser Leaf Light HS v2 M12

SKU #: KV-00881-6

Kvaser's Leaf Light HS V2 M12 is the marine version of Kvaser's popular line of Leaf USB-to-CAN interfaces. This device offers a simple way of connecting a PC with the on-board computer of a marine electronics system via the standard USB 2.0 connector and 5-pin NMEA-approved CAN connector.

The newly launched Kvaser Leaf Light HS V2 supports high speed USB for CAN and offers high performance at low cost. Loss free transmission and reception of standard and extended CAN messages on the CAN bus are transmitted with a time stamp precision of 100 microseconds.


  • Standard type “A” USB connector and an NMEA-approved male CAN connector.
  • Capable of sending up to 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.
  • High-speed CAN connection (compliant with ISO 11898-2), up to 1 Mbit/s.
  • Galvanic isolation, enhancing protection from power surges or electrical shocks.
  • Support for SocketCAN, see elinux.org for details.
Property Value
The information herein is subject to change without notice.
Galvanic Isolation Yes
Bitrate 40-1000 kbit/s
Silent mode No
Error frame generation No
Error counters reading Yes
Weight 100 g
Timestamp resolution 100 µs
Buffers Auto RX, Auto TX
Maximum message rate, send 8000
Maximum message rate, receive 8000
Sound No
Current Consumption Typical 90mA
Dimensions (WxLxH) 40x100x20 mm 
Kvaser Leaf V2 User’s Guide
User’s Guide for the Kvaser Leaf Light V2
Version 4.1.0
Kvaser Leaf V2 M12
Datasheet for the Kvaser Leaf Light V2 M12
Version 2017
Kvaser Leaf Installation Guide
Kvaser Leaf Installation Guide
Version 1.2.189
Kvaser DIADEM Driver
This free driver for National Instrument's DIAdem supports all CAN hardware from Kvaser.
Version 1.0.0
Kvaser Drivers for Windows
Windows drivers for all our CAN hardware. Please check release notes for information on which Windows versions are supported. It also contain a driver for the virtual CAN bus.
Version 5.6.0
Kvaser Leaf V2 Firmware
Firmware Kvaser Leaf Light V2
Version 3.2.302
Kvaser CANKing
A free of charge general-purpose CAN bus momnitor. Works with all CAN interfaces from Kvaser. Windows 200 and later recommended.
Version 5.3.889
Kvaser CANlib SDK
Software development kit - everything you need to develop software for the Kvaser CAN and LIN interfaces. Link libraries, header files, sample programs, Microsoft Visual Basic and Borland Delphi components, documentation, and more. Note: you need to download and install the appropriate device drivers separately
Version 5.6.0
Kvaser LabView VI Library for CAN
Library for National Instrument's LabView version for all Kvaser CAN hardware.
Version 6.1.0
Kvaser Linux Driver and SDK
Linux driver and SDK for Kvaser PCIcan/PCIcanx, Kvaser PCIcanII, Kvaser PC104+, Kvaser PCIcanx II, Kvaser USBcan II, Kvaser Memorator*, Kvaser Leaf family, Kvaser Memorator Pro**, Kvaser USBcan Pro and VirtualCAN. For LAPcan and LAPcan II, you should use version 4.2 of the driver. (*) only with USBcanII functionality, (**) only with USBcan Pro functionality
Version 5.3.0
Remove old drivers
Driver removal program. This program will remove the CAN driver (version 3.2 or older) from your computer. This is a version intended for those who have installed CANLIB 3.2 or older. Use it only if you need to remove an old version of the driver from your computer. Contact technical support if you have any questions.
Version 3.9c

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Why Phytools?

  • Official North American distributor for products from PEAK-System Technik, SYS TEC electronic, and GEMAC
  • Authorized distributor for products from KUNBUS, Kvaser, MACH Systems, and Embedded Systems Academy
  • Member of CAN in Automation (CiA) and EtherCAT Technology Group (ETG)
  • Over 20 years of experience
  • Diverse customer base across industries such as automotive, industrial automation, medical equipment, aerospace, agriculture, construction, and renewable energy
  • Offers a large selection of networking solutions
  • In-house expertise to provide efficient and cost-effective products
  • Provides support from pre-sales to rapid resolution of issues to exceed customer expectations.

Kvaser Leaf Light HS FAQs

What type of connectors does the Kvaser Leaf Light HS v2 M12 have?

It features a standard type “A” USB connector and an NMEA-approved male CAN connector.

What is the maximum message rate for sending and receiving?

The Kvaser Leaf Light HS v2 M12 can send and receive up to 8000 messages per second, with each message time-stamped to 100 microsecond accuracy.

Does the Kvaser Leaf Light HS v2 M12 support both standard and extended CAN messages?

Yes, it supports both 11-bit (CAN 2.0A) and 29-bit (CAN 2.0B active) identifiers.

What kind of message buffers does the device have?

The Kvaser Leaf Light HS v2 M12 features auto RX (receive) and auto TX (transmit) buffers.

Is the Kvaser Leaf Light HS v2 M12 suitable for harsh marine environments?

Yes, the marine version is designed specifically to withstand the demands of marine environments, featuring robust connectors and galvanic isolation.

Can the Kvaser Leaf Light HS v2 M12 handle loss-free transmission and reception?

Yes, it offers loss-free transmission and reception of standard and extended CAN messages on the CAN bus.

Kvaser's Leaf Light HS V2 M12 is the marine version of Kvaser's popular line of Leaf USB-to-CAN interfaces. This device offers a simple way of connecting a PC with the on-board computer of a marine...