Waterproof Connectors

Industrial applications from the simplest hand held data logger to a fully blown industrial Ethernet system have carried the world's best loved I/O connectors into a harsher and less tolerant environment. Industrial connectors face numerous environmental stresses. In order to support transportation, communications, networking, IT, medical systems, etc. they must match the level of product technology and the rapid development and growth of the sector and must combat temperature and humidity; exposure to liquids, oils and chemicals; shock or vibration and RF/EMI interference.

Waterproof D-Sub Connector IP67

Waterproof D-sub This IP67 waterproof miniature connector 'system' can be used in applications where moisture, high humidity, water or dust could be a problem.

UTS Hi seal

uts high seal 1

Souriau UTS Hi seal light-weight industrial plastic circulars, compatible with MIL-DTL-26482 connectors, offer Dynamic IP68/IP69K water protection when mated or unmated

Threaded IP68 Nylon Circular Connectors


SP13 IP68
 

The Pintail SP13, SP17 and SP21 connector ranges provide low-cost, weathertight standard interconnection for industrial and marine applications.

Bayonet Locking IP67 Nylon Circular Connectors


Weipu SY bayonet IP67 connector
 

The Pintail SY13, SY17 and SY21 connector ranges provide low-cost, weathertight IP67 standard interconnection for industrial and marine applications.

ST12 IP67 Threaded coupling

ST12 IP67 Threaded coupling The Pintail ST12 connector range provides low-cost, weathertight standard interconnection for industrial and marine applications.

SF12 Push-Pull IP67 screened


Pintail SF12

The Pintail SF12 connector range provides low-cost, weathertight, push-pull locking  interconnection for industrial applications.

RJ45 IP67


RJ45 IP67

This Cat. 5e/Cat. 6A RJ45-IP67 industrial ethernet connector provides increased protection against contamination and moisture.

Fibre optic IP67

LC-IP67Rated to IP67, ODVA-compliant LC Series duplex fibre optic, 1/6 turn bayonet coupling connectors provide mechanical stability, temperature resistance, and vibration immunity. In2Connect has advanced its water-resistant series of connectors to include fibre-optic duplex LC connectors from Conec.

USB 2.0 IP67


USB 2.0 waterproof

This IP67 rated industrial USB 2.0 connector system has been created to provide reliable USB connections in harsh environments.

EN3 weathertight connector


EN3- weathertight

Great all purpose connector with superior leakage protection. Contact area double sealed for IP66/68 moisture and chemical resistance mated or unmated

M12 Conec connector

CONEC M12
M12 X 1 circular connectors of the Sensor Actor Line from CONEC are used to connect a distributor box and a sensor.
The M12 style connector comes with a screw lock, used for low voltage and has between 2 and 8 contacts. Conec M12 connectors are IP67 rated and well suited for wet, moisture-laden environments

Hermetic M12 connectors


Hermetic M12 connector family Martec

These hermetically sealed M12 connectors are designed to exceed the mechanical and environmental requirements of IEC-61076-2-101 with fixed pin contacts, fused into a glass dielectric insert.

EDAC Waterproof Series 560 to 572

EDAC 560 Connector
Space saving, low profile, 3 Amp (Series 560) or 10 Amp (series 572) indoor/outdoor EDAC waterproof wire connectors, certified to IP67
, in-line and/or PCB

Waterproof In/Out Connectors     

 

When your critical design requires IP67 or IP68 rated connectors, In2Connect's extensive offering of IP-rated connectors can provide a standard or custom built-to-order solution. Made with machined, precision contacts and reliable enough for military applications, Conec IP67 connectors are competitively priced to meet your project requirements. IP67 rated product families include ~ D-Subs, RJ45 for Ethernet, USB 2.0, M12 Circular Industrial Sensor and Actuator Line (SAL), Fiber Optic LC (ODVA). Weipu circular SP13, SP21 and WA22 (mate with Binder) connectors are rated to IP68 when mated or with a waterproof cap fitted.

In most industrial applications, waterproofing of components is arguably the first major add-on to the features required of an indoor interconnect and it has become very clear that many engineers and designers don't want to reinvent interconnects for the sake of it, they want manufacturers to adapt products that they've already got built into BOMs.

As a prime example of this, whilst the D-sub I/O connector is a very mature product it remains extremely popular in instrumentation and industrial contexts and with the acceleration of rugged computers, hand held data loggers, etc. the connector manufacturer has seen an accelerating demand for more robust D-sub designs both waterproof and filtered against RF or EMI. One only has to consider the extreme variety of applications demanding computerised control/communication systems to see what is driving this ~ everything from robotics systems in wet manufacturing; wash-down areas like milking parlours, food preparation plants, car washes; and networking technologies for automating discrete and process manufacturing plants. 

As a consequence of this demand, EN 60529 an international classification system for the sealing effectiveness of enclosures for electrical equipment against the intrusion of foreign bodies and moisture was developed by the International Electrotechnical Commission. It isn't specific to connectors, but they form an integral part of entering or exiting most enclosures. This system utilizes the letters "IP" ("Ingress Protection") followed by two or three digits. The first digit indicates the degree that persons are protected against contact with moving parts and intrusion: 6 = No ingress of dust; and complete protection against contact. 

The second digit indicates the degree of protection of the equipment inside the enclosure against the harmful entry of various forms of moisture (e.g. dripping, spraying, submersion, etc.): 7 = No ingress of water in harmful quantity when immersed in water under defined conditions of pressure and time (up to 1 m of submersion), i.e. temporary immersion. 8 = Suitable for continuous immersion in water under conditions which shall be specified by the manufacturer but is usually taken to cover depths say between 1 and 3 metres. It doesn't cover the pressures associated with deep sea exploration, etc. but ensures that the connection won’t be harmed if it is immersed in water to a depth and duration specified by the manufacturer. Most "commercial" waterproof connectors are for use in damp, wet, raintight, and short term, low depth submersible applications. They are generally not designed for use in continuous submersion applications.

If one takes the ubiquitous D-sub connector, the aim has been to reduce the number of components that make up the connector, hence remove all possible leakage paths and manufacturers have generally produced an IP67 rated connector by adding a mounting plate with a silicone O-ring to create a watertight seal at the panel interface and back potting screw machined contacts to prevent water ingress through the connector body. These are now available in pretty much all of the standard d type configurations excepting crimp. Backpotting of the contacts has to be done once the contacts are embedded in the insulator, so the concept of a truly waterproof crimp d-sub would arguably cost too much to achieve?

Cost of course is amongst the leading drivers, thus the design concept for I/O connectors will always be limited by it ~ so in order to save space and reduce equipment size the industry needs to get more and more signals, such as common signals, microwave signals, optical signals, high voltage signals, power signals into a single connector whilst maintaining circuit or signal separation. This has been achieved with the IP67 mixed layout d-sub.

MIL-C circular connectors like the D38999 range provide waterproofing and environmental sealing; EMI/RFI shielding; shock and vibration proofing, but at a relatively high cost. So what does the electronic tap-ware industry do when not fitting baths into fighter aircraft? In2Connect was set this question when asked to develop low cost, functional waterproof connectors and the resulting Pintail range is anIP68 rated indoor/outdoor interconnect solution for industrial and electronics applications. These multi-pin, threaded coupling connectors will provide IP68 integrity when mated or when fitted with a waterproof end cap.

The connector bodies are moulded from glass filled nylon and are available in free plug, cable end receptacle and fixed jam nut receptacle formats, all with dust caps to suit. Plug and socket can have either male or female solder bucket contacts factory fitted to allow design flexibility and polarisation. They were designed to be light weight, corrosion resistant and RoHS compliant with additional improved product features over competitive products; such as ~ planform contact identification by raised numbering for easy identification of circuits to save time and money when soldering or repairing incoming cables. Contacts are solder cup and are an integral part of the insulator, so less piece parts or crimp contacts to lose and no need for expensive crimp tools. To simplify the field assembly process, the dual O ring sealing means that the integral backshell can be easily removed in two sections to allow accurate soldering of the incoming cable. The threaded bodies provide a quick and easy connection to reduce installation and service time and have inbuilt key/keyway orientation with good cable waterproofing and retention by virtue of a rear compression nut. Not rocket science like the aluminium bodied MIL-C connectors, but then the proximity sensing electronic taps in our bathrooms aren't for rocket fuel.

Ethernet has long been the standard communications protocol in the office, but the transition to Industrial Ethernet for shop floor networks has meant reinforcement to the Ethernet and other similar connectors. Office or shop floor are built on the same standards-based networking platform, the Ethernet local area network (LAN) standard IEEE 802.3. The key advantage of industrial Ethernet is that it allows manufacturers to deploy a single platform to enable interoperability in connecting workplace operations to corporate and office networks. However, there is a huge difference between installing Ethernet in a sheltered office environment and installing it on the manufacturing floor. If a connector or interconnect fails in a manufacturing system, the cost of parts replacement and repair will be insignificant compared to the indirect costs which could be associated with production downtime.

D-sub and circular multipin in/out connectors are relatively chunky with or without additional protection, but the transition of RJ45, USB, FireWire IEE 1394 and Optical Fibre to the industrial environment has required the application of the type of reinforcement associated with MIL-C circular connectors. For industrial real-time-Ethernet, the industry has gravitated toward an RJ45 connector type with a bayonet latching or screw threaded coupling mechanism according. This robust design with IP67 rating ensures reliable protection and easy connection under harsh environmental conditions.

It could be said that what goes around (the connector), comes around ~ and provides the called for reliability at the same time?

View In2Connect's latest waterproof connectors advert

Waterproof Connector | connecteur étanche | wasserdichtes verbindungsstück | водонепроницаемый разъем | conectador impermeable | conector impermeável | connettore impermeabile | Waterdichte connector | In2Connect

images View Connecting Industry ~ "Electronics" article March 2011

View Conec's Electronic Products and Technology “Harsh Environment I/O Connectors” ~ article January 2012

 

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D-Sub I/O Connectors
Circular Connectors
Waterproof Connectors
IP67 D-sub
Souriau UTS Hi seal IP69 mated/unmated
Weipu "SP" threaded connectors IP68
Weipu "SY" nylon bayonet connectors IP67
Weipu "ST12" IP67 threaded coupling metal
Weipu "SF" IP67 Push-Pull Metal
RJ45_IP67
Fibre Optic LC- IP67
USB 2.0 IP67
EN3 weathertight connector
M12 Conec connector
Hermetic M12 connector
EDAC Waterproof connector series 560 to 572
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