M8 Snap-in cable connectors

Simplify safe signal transmission in sensor-actuator applications. M8 signal cable connectors from binder support efficient and reliable installations in sensor and actuator applications.

Cable-assembled and overmoulded M8 snap-in connectors of the 718 series are now available with 3 to 6 pins

Featuring snap-in quick locking and now offered with 3 to 6 pins, they prove themselves in industrial applications that require reliable signal transmission and are subject to installation space constraints.

binder, a leading manufacturer of industrial circular connectors, is adding further straight overmoulded M8 snap-in connectors to the successful 718 product series. In addition to 3 and 4 pins, these are now also available in 5- and 6-pin versions. They are available with either PUR or PVC cables up to 2 m or 5 m standard length. Customised lengths can also be realised on request. Since the locking mechanism does not require any rotating elements, these connectors are particularly easy to handle and stand for high efficiency in use.

M8 Snap-in in the context of state-of-the-art automation solutions
Sensors and actuators are among the core elements of today's automation technology. Here, reliable function, resistance against the influences of harsh industrial environments, small size, flexibility and scalability in use, and the greatest possible time savings during installation are the most important requirements for connection technology. When it comes to signal transmission in industrial sensor-actuator applications, circular connectors – with screw-lock or quick-lock technology – have been well established. Secure locking and industry relevant degrees of protection are decisive requirements for the use in plant engineering, but also in conveyor technology or within drones. M8 stands for a particularly space-saving factor of the connection solution, and the variety of pin counts ensures the flexible applicability of the products. In particular, signal connectors with snap-in locking ensure simple, fast and thus efficient installation.

The locking principle in detail
While the electrical connection is established by mating and unmating, the mechanical locking is provided by means of snap-in elements. These are pushed axially into one another during the mating process and then held in position by spring force. In order to release the connection, this force must be overcome and the plug pulled off backwards in an axial movement. As the connector latches and unlatches, a clicking sound will be heard. As a major advantage over screw or bayonet locking, the snap-in technique does not require any rotating elements. This makes the corresponding connectors very easy to handle – an essential requirement for efficient, time-saving installation.

Specifications of the new products
The M8 snap-in circular connectors of the 718 series, now with pin counts ranging from 3 to 6, meet the IP65 protection degree requirements when mated. Contacts are gold-plated brass for male and bronze for female contacts and these allow in excess of 50 mating cycles.

With rated voltages between 30 V and 60 V, the products are suitable for rated currents of 1.5 A to 3 A, depending on the wire gauge and number of pins: 3- and 4-pin versions are specified for 2 A (0.14 mm2 wire gauge) and for 4 A (0.25 mm2, 0.34 mm2, and AWG 22), respectively; 5- and 6-pin versions for 3 A and 1.5 A, respectively. They withstand rated impulse voltages of 1500 V (3- and 4-pin) and 800 V (5- and 6-pin).

All connectors in this series operate reliably at temperatures from -40 °C to +70 °C in static condition.

Further options and customized solutions

Guido Werner, Product Manager in Sales at binder since 2013, comments on the addition to the 718 series as follows:
"With the M8 circular connectors and the quick locking mechanism, we are strengthening our position as a solution provider in automation technology. We will be happy to offer further variants or even customer-specific solutions with the snap-in latch on request."

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