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‘Common Contact’ technology simplifies multipole connector assembly

25 July 2016

HARTING announced the expansion of its Han Multiplier range. Han Multipliers help simplify the assembly of connectors where multiple contacts are carrying the same potential (voltage).

Interlinked cabling of decentralised control cabinets in a modern factory/ production line environment often creates situations where multiple contacts need the same potential (e.g. Ground or 24V), for example when providing connections for sensors, switches and Powerbus daisy chaining. In such cases, Han Multipliers allow for the use of a single feeding line instead of multiple feeding lines of the same potential.  For example Han Multipliers are particularly useful for connecting motor drives/inverter control wiring in either star or delta connection arrangements.

HARTING Han Multipliers, which are simply pushed onto the appropriate equipotential contacts, can therefore significantly reduce both labour and material costs and installation times by simplifying connections.

There are several standard connector types within the HARTING range that can accommodate these multipliers, including Han-Yellock - an IP67 compliant, smoothly contoured design with single-handed push button mating that supports cable-trunking drag-through installations. Inserts can be loaded from the front or rear side of a bulkhead panel. Multipliers are available in various types, such as 3:2, 2:3 etc., up to five way size and loaded from the front mating side of the insert.

HARTING has also recently developed a separate single 15 way Han-Yellock Multiplier Block insert, based on its 16A rated Han E crimp contacts, which can also be fitted with the full range of Han-Yellock Multipliers. The key feature of this particular insert is that it will also fit into HARTING’s Han-Modular system concept.  

As a result, HARTING’s multiplier concept can now be applied right across HARTING’s multipole I/O connector range of die-cast aluminium IP65 compliant Han B and compliant IP68 Han HPR high-strength construction hoods and housings, rugged plastic Han-Eco series and can also be used inside switch cabinets, integrating with the Han-Snap series.

The latest Han connector series of inserts that offer this Multiplier functionality is the new finger-push cage clamp termination Han ES Press range. Han ES Press can accommodate rear plug-in Multipliers/Jumpers from 2 to 12 way versions.  

Howard Forryan, product marketing specialist at HARTING Limited, said; “These Multipliers provide an example of how HARTING continues to develop new innovative connector technology design solutions for its series of rugged Han rectangular multipole connectors. HARTING also takes great care to ensure that these advances also provide backwards compatibility, allowing upgrades and improvements to be accommodated for minimum extra cost.”


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