Mechatronics Canada

November 24, 2021


MC Harting Plug Play 1 400

Benefit from minimal wiring input on site and shorter installation times: fielding its Han® S connector, HARTING is now presenting an ideal solution for assembling energy storage systems (ESS) based on battery storage modules – thereby making vital contributions to the establishment of high-performance infrastructures for decentralised energy supply. 

The Han® S has been specifically optimised for front-mounted connections. In order to further cut down on installation times for ESS and minimise wiring effort on site, HARTING is now offering the connector in combination with prefabricated cable assemblies tailored to the respective applications. 

The assemblies are available with cross-sections of 25, 35 or 50 mm² and cable lengths of 20, 30, 40 or 50 cm and are suitable for temperatures between -50 and +120 degrees °C. The material employed is halogen-free and impervious to the effects of ozone. The voltage limits are between 1.8 kV (25 mm²) and 3 kV (50 mm²) AC and between 2.7 (25 mm²) and 4.5 kV (50 mm²) DC.  

The new Han® S combinations ensure optimum safety for the installation of battery storage systems, as the design meets all the relevant technical requirements, including EN 45545-2, NF F 16-101 and the new UL 4128 standard for stationary energy storage systems. UL 4128 is currently the highest standard required by the market.  


MC Harting Plug Play 6 400

300 A power connection for energy storage in modular connector  

Higher capacity, less weight – this sums up the key objective in the development of energy storage systems (ESS). While previous ESS are often supplied with 200 A/800 V DC, the trend in applications is towards higher energy density. To an increasing extent, interfaces for transmissions of 300 A/1200 V DC and more are required. In order to align with this trend, HARTING has developed the 300 A module as part of the Han-Modular® connector range. In this way, the ESS can be supplied with power, data and signals in parallel in a multi-module interface.    

The Han® 300 A module is suitable for connecting new energy storage units, as well as for upgrading existing systems (as it is plug-in compatible with the Han® 200 A module). Equipped with touch-safe contacts, it can be connected directly to the busbar or integrated into drawer-type storage units. 


More details on Han® S are available here  


More information about Harting's pug and play products for energy storage systems are available here 


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Featured Article: Decoding the Most Versatile Industrial Connector in the World


If you were around in 1980’s you will probably remember walkmans, vcrs, mix tapes and big hair bands on MTV, amongst other things. The decade started with the release of PacMan, the Rubiks Cube and a Hollywood actor called Ronald Reagan winning the US Presidential election. It ended with the first episode of the Simpsons, Timothy Berners-Lee inventing the World Wide Web and the Berlin Wall coming down to symbolize the end of the Cold War.

Some notable 1980’s inventions included the first artificial heart, CD players, the Apple MacIntosh computer, Microsoft Windows, the Nintendo Gameboy and the first GPS satellite to be launched into space.

But there was one more invention of the 1980s that wasn’t really noticed by the general public, but ultimately paved the way for fast, easy and reliable electrical connections that we often take for granted in control systems today. We are talking about the M12 circular connector that was launched at the Hannover Fair in 1985 and has since become one of the most popular industrial connectors in the world.

These days, you will be hard-pressed to walk into any manufacturing plant without seeing an M12 connector. They are used to connect sensors to I/O modules, vision systems to Ethernet switches, light curtains to safety controllers and much more. Originally only available in 3-pole and 4-pole versions with an A-Coded keyway for power and I/O signals, the M12 connector is still evolving and has become one of the most versatile circular connectors available.

Now, more than 35 years since it was launched, there are many different types of M12 connectors for signal, data and power connections.

Read More


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