Snap-in connectors

In the world of electronic and electrical applications, snap-in connectors have become a common component, offering a convenient and efficient solution for quick installations. These also called easy lock connectors, feature a design that allows them to easily snap or lock into place, minimizing the time and effort required for connection. Snap-in connectors are very versatile and find adaptation in many industries such as industrial automation, medical sector, data and measurement, or other electronic devices. The time-saving attributes and secure reliable interface make it a great solution for many applications. Their user-friendly nature ensures that everyone can effortlessly assemble or disassemble male and female connectors without the need for specialized tools or complicated mating. The snap-in mechanism simplifies the installation process and enhances the overall security for the operator because it disconnects when stumbling on cable by accident.

The product portfolio of binder includes snap connectors in the subminiature category (Snap-in IP40 Series 709/719, Snap-in IP67 Series 620), miniature category (Snap-in IP67 Series 720) and medical grade (ELC Series 570, Snap-in Series 620, Snap-in Series 720).

How does a snap-in connector work?

A snap connector is a type of electrical connector designed for easy and secure mating and unmating. It typically consists of two parts: a male component and a female component. The snap-in mechanism is the specialty of this type of connector as it provides the audible sound when the male and female connectors are mated. This snap-mechanism ensures that the connectors are firmly attached; however, at the same time they can be effortlessly disconnected. The unmating is easy as a person only needs to apply a certain amount of force to separate the male and female connectors. This force overcomes the snap-in mechanism, allowing for easy removal.

Applications for snap-in connectors

The snap-in locking technology is part of many product series of the binder portfolio for which reason it comes with a high level of compatibility. Its versatility allows snap lock electrical connectors to be designed into a wide range of applications across different industries:

  • Snap-in IP40 (709/719): data logger, patient monitoring, sensor and measurement systems, 
  • Snap-in IP67 (620): data logger, patient monitoring, robotics, Sensor and measurement systems, e-mobility, commercial lighting
  • Snap-in IP67 (720): data logger, patient monitoring, robotics, Sensor and measurement systems, e-mobility, commercial lighting
  • ELC (570): Patient monitoring

Snap fit connectors are commonly used in various applications, including electronics, automotive, and homecare applications, where quick and reliable connections are required. They provide a convenient way to connect and disconnect components without the need for tools or complicated procedures.

Which industries do snap-in connectors benefit?

  • Aerospace
  • Commercial
  • Industrial sector
  • Medical and healthcare
  • Test and measurement
  • Telecommunication
  • Smart farming
  • Security and Defense
  • Sustainable energy
  • Other consumer applications

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Benefits of snap-in connectors

  • Ease of use: Non-experts can connect and disconnect snap connectors without the need for special tools.
  • Timesaving: The design allows an easy and quick installation which significantly reduces assembly time and labor cost
  • Security and compatibility: Snap-in connectors provide a secure and reliable connection between components under the circumstances they are certified for. The snap-in mechanism ensures that the connectors remain firmly attached; however, they can be easily unmated when force is applied. This feature enhances security when, for example, a person stumbles across the cable. They are designed to meet industry standards and specifications, ensuring compatibility with a wide range of equipment.
  • Reliability: Snap-in connectors are built to withstand environmental conditions due to durable materials that allow long-term performance.
  • Versatility: binder offers snap-in connectors in a variety of sizes and configurations to accommodate different applications and requirements.
  • Space-Saving Design: Snap-in connectors are compact and space-saving, making them suitable for applications where space is limited. Their low-profile design helps optimize the use of available space in electronic devices.

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Subminiature category

Snap-in IP40 Series 709/719

The snap-in connector series 709/719 can be supplied with up to 5 contacts rated 3A at 60V. Several versions are available including cable connectors with or without strain relief, connectors moulded to cables and panel mount connectors with solder and dip-solder termination. Cable outlet size is 3-5mm and users can expect more than 100 mating cycles.

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Snap-in IP67 Series 620

These snap-lock connectors meet the requirements of protection class IP67 when mated and are suitable for applications requiring protection against dust and liquids. They are available as cable connectors or with moulded cables but can also be designed as panel mount connectors. The cable connectors as well as the panel mount connectors are available in black, red, blue or green. Users can choose between 3-, 4-, 5- or 8-pole versions, which are designed for a rated current between 1A and 3A at 63 - 125V. Most models are available with solder or dip solder termination. More than 500 mating cycles are possible.

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Miniature category

Snap-in IP67 Series 720

Miniature round connectors with snap-in locking of the 720 series have 3 to 12 contacts depending on the application. Both the 16mm cable version and the 16mm panel mount version comply with IP67 protection class and are available in black, red, blue and green. Cable connectors have solder terminals, panel mount connectors have solder or dip solder terminals.

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Connectors for medical applications

ELC 570

The ELC Series 570 features a unique snap-in locking system that ensures more than 5000 mating operations, meeting the requirements of many medical device OEMs. The connector has a PA66 plastic housing in grey-white, similar to RAL 9002, 4/8/12 gold-plated contacts for a connection cross section of 0.25 mm² and is designed for a rated current of 2 A at 150 V. When unplugged, the panel mount socket is protected against the ingress of liquids, splashing water and accidental electrical contact. When plugged in, the ELC connector has protection class IP54.


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Snap-in IP67 Series 620

The medical-grade 620 Series, which is IP67 when mated, includes snap-in connectors available in cable and panel mount versions. Cable and panel mount connectors are grey-white, and users can order 3, 4, 5 or 8 contacts with rated currents between 1 A and 3 A (depending on the number of contacts). Cable connectors have solder termination, panel mount connectors have solder or dip solder termination. More than 500 mating cycles are possible.

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Snap-in IP67 Series 720

720 Series snap-in miniature circular connectors have 3 to 12 contacts depending on the application. The medical-grade design is DEHP-free, grey-white, similar to RAL 9002, and is available as cable or panel mount connectors. Other colors can be ordered. The connector system is IP67 rated, the cable connectors have solder terminals, the panel mount connectors have solder or dip solder terminals. Users can expect more than 500 mating cycles.

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All snap-in series

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