Robust industrial connector released in new short version

Binder connectors in M16 form factor measure around 47 mm in length

binder, a leading supplier of industrial circular connectors, has launched a short version of the 423 series: circular connectors in the M16 form factor with a length of approximately 47 mm.

These are available as 2-pin to 19-pin variants and meet IP67 requirements when mated. The product launch concerns short, shieldable cable plugs and sockets, each with cable clamp, in both solder and crimp versions. Depending on the number of pins and connection type, the connectors are designed for wire gauges from 0.14 mm2 (AWG 26) to 1.0 mm2 (AWG 18). The rated values for voltage and current are specified as 32 V to 250 V and 3 A to 7 A, respectively. Cable outlets from 4.1 mm to 7.8 mm ensure variability in the application.

Developed for demanding test & measurement and automation tasks

Target applications for the 423-series short version primarily include applications in test & measurement, as well as automation technology that are subject to limited installation conditions. “In particular, precision instruments that have to deliver accurate measurement results in confined and noisy environments benefit on the one hand from the particularly compact design of the connectors,” states binder. “On the other hand, the possibility of electromagnetic shielding is essential to prevent interference signals from adjacent electronic circuitry from impairing the detection or transmission at the measuring device.”

The declared aim of the product designers at binder was to develop the new M16 variants with as many standard parts as possible, despite the specified degree of protection. In order to achieve IP67, they nevertheless needed to integrate an additional lathe part. "Through dedicated and precise development, we have succeeded in establishing the same quality in a smaller form factor," comments product manager Sascha Doebel on the new development.

From audio classic to 5G and Industrial IoT

“Since its first applications in audio technology more than 50 years ago, the M16 form factor has proven itself in a wide range of applications: flexible, thanks to various options for termination, assembly and mounting; primarily used for connecting sensors and other field devices in indoor applications,” says binder.

At the time the first connector system ever produced by binder, the manufacturer has consistently developed the M16 form factor into an indispensable component of industrial automation, it adds. “Driven by the industry-wide need for reliable, robust and cost-effective connection solutions with low contact resistance at up to 24 pins, this development has led to Industrial-IoT products that can now handle gigabit data rates and withstand extreme conditions in outdoor use.”

5G mobile communications, for example, is one of the innovation-rich application areas for binder M16 connectors: here, AISG-compliant (Antenna Interface Standards Group) binder 423-series products are used to connect devices in the network operators' antenna lines (Antenna Line Devices, ALDs).

10 solder and 5 crimp male and female products – the characteristics

The shieldable short version of the M16 series 423 is available in 10 solder, and five crimp male and female versions, corresponding to the different pin counts. They are all designed for more than 500 mating cycles.

The maximum wire gauges for solder products are rated at 0.75 mm2 (AWG 18) for pin counts of 2 to 8; and 0.25 mm2 (AWG 24) for 12-pin to 19-pin connectors. The rated voltages are 32 V or 150 V depending on the pin count, the rated impulse voltages 500 V or 1.500 V, respectively. The rated currents at 40 °C range from 3 A to 7 A. All solder products are equipped with brass contacts as well as bronze sockets and are specified for a temperature range from -30 °C to +95 °C. Housing and locking are made of nickel-plated brass.

The crimp products in the series are designed for wire gauges of 0.14 to 1.0 mm2 or AWG 26 to AWG 18 (4 to 6 pins) and for 0.14 to 0.75 mm2 or AWG 26 to AWG 20 (7 to 8 pins). The rated voltages are 32 V or 150 V, the rated impulse voltages are 500 V or 1500 V, and the rated currents are 5 A or 6 A, respectively. The temperature range for the connectors with crimp termination extends from -40 °C to +100 °C. As with the solder versions, the housing and locking are made of nickel-plated brass.

Proven quality in a smaller form factor: the short shieldable M16 variant of the 423 series. [Photo: binder]
Proven quality in a smaller form factor: the short shieldable M16 variant of the 423 series. [Photo: binder]

Binder UK Ltd

Unit D, ATA House
Boundary Way
Hemel Hempstead

+44 (0)1442 257339

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