Plastic angled connectors designed for tight installation spaces

Plastic angled connectors with snap-in locking are sensitive to faulty handling and therefore challenging in design terms. For the 720 miniature series, binder has created a safe and robust field-attachable angled version addressing applications with restricted installation conditions. An angled solution is now also obtainable for the miniature NCC 770 series – offering variable direction of the cable outlet.

The company has complemented its 720 and 770 product series with field-attachable angled variants. Such compact angled connectors are employed in device, building, and plant engineering, particularly where secure electrical connections need to be established in confined spaces. The angled versions of the series with snap-in or bayonet locking deliver a reliable and space-saving alternative to the straight versions.

With the 720 snap-in series connectors, the electrical connection is fixed mechanically by snap hooks engaging in a relevant slot, therefore locking the interface. However, this type of locking is susceptible to incorrect handling. If the connector is pulled off at an angle to its axis rather than axially, this can destroy the plastic snap hooks, depending on the amount and direction of the pulling force. The product developers have inserted a threaded ring between the contact body and the angled housing to stop this application's fault. Even when force is applied at an angle to the connector axis, the snap hooks are protected against damage, and the connectors can withstand loads far above the standard requirements.

Cable routing is difficult for housings angled at 90° in general. As known from other product series, bending the cable by 90° is often difficult. Therefore, an angle of 100° was chosen for the new housings, which greatly simplifies cable assembly.

The new angled versions of the series are employed in lighting technology installations, greenhouse heating systems, and e-bikes. The series is specified for rated voltages from 60V to 250V and currents from 2A to 7A. For the 3- to 12-pin interfaces, cable termination is accomplished by soldering. They comply with protection degree IP67 (mated) and can withstand more than 500 mating cycles.

NCC angled connectors of the 770 series with bayonet locking are employed in compact handheld control panels, in medical homecare devices, and in laboratory metering instruments that need to be installed in a space-saving manner, such as near a wall. The 8-pin interfaces are also equipped with solder terminals; rated voltage and current are 175V and 2A, respectively. As well as IP67 when mated, the female panel mount connectors also attain IP67 protection when unmated, thanks to the company's NCC technology. The connectors withstand more than 5,000 mating cycles.

As well as black, the connectors of both series are offered in red, green and blue colours and white (RAL 9002), typically used for medical applications.