distribution cabinets( and fuse boxes) and enhance all system retrofitting operations. They are used in power supply, signal and control circuits, mostly in industrial conditions. The TE Connectivity products related to this field of application are gathered in the Entrelec( SNK) family of solutions.
1SNK712021R0000 Rail-mounted connectors( 2 and 3 terminals)
1SNK506214R0000 Rail-mounted connectors( 4 and 6 terminals)
1SNL317510R0000 Distribution blocks
The majority of products included in this range are single-circuit components. Their enclosures are made of polyamide with the UL94V-0 flammability class. It is a diverse product range that comprises connectors with screwed and spring-loaded terminals designed to ensure minimum resistance and necessary mechanical strength( vibrations, shocks, jerking) when connecting conductors in the form of solid and stranded wires. TE Connectivity has strived to ensure the highest possible level of installation convenience, as the company estimates that using their products enables installers to save even 90 % of installation time in comparison with solutions offered by competitive brands. Their symmetrical shape greatly reduces the likelihood of mistake during fixing and connecting operations. As the majority of connectors are 5.2 mm – 8 mm wide, they facilitate creating complex systems even in relatively small enclosures. The TE Connectivity product range also includes distribution blocks mounted on rails or panels, as well as housings with built-in terminals for power line distribution. A high-current cable entry is located in the upper part of the enclosure, while the lower section comes with minor circuit leads( up to 24 in total), e. g. to be mounted in flats or rooms. The distribution blocks come in single or triple versions.
Connectors
Another extensive range of electric installation accessories offered by TE Connectivity includes common-use connectors and cable terminals. It encompasses all popular product types, i. e. mostly insulated flat connectors( width from 2.8 mm to 6.3 mm) and ring terminals. The former are used in almost every field related to electric system installation, in particular for creating connections in machinery, as they are characterised by very low resistance, resistance to vibrations and, simultaneously, short mounting time. The company offers products crimped on conductors with crosssections from 0.3 mm2 to 6 mm2, which makes them suitable both for making both signal and power supply connections. Therefore this product range is addressed not only to technicians working in machinery parks, but also to manufacturers of
electronic equipment, radio and TV devices and white goods. These products are also suitable for applications in such fields as the automotive industry, for servicing and retrofitting circuits in passenger and cargo vehicles.
9-160463-2 Less typical connector model with leads.
342145-1 Ring terminals
2-520409-2 Flat connectors
165085 Other terminals
Another popular product type includes ring terminals designed to be fastened on cables with cross-sections from 0.1 mm2 to 10.5 mm2. Here, too, a wide range of applications can be mentioned in which power supply connections predominate. These connectors are commonly used in renewable energy installations, primarily to create energy storage facilities, i. e. to connect batteries into high-capacity and highcurrent-efficiency power banks. They are also used in a similar manner in automotive applications to short various components to ground. They are universally applied to connect protective wires to enclosures and other metal components in network installations, as well as earthing fences, boxes, etc. Obviously, TE Connectivity also offers other models of terminals and connectors, such as spade, pin or angular variants, as well as components with leads, etc. These products are also available in a form of sets.
High-current relays
ECK200AAAPA Coil leads are designed in a form of wires.
Note again that the products presented in this article constitute only a part of the TE Connectivity assortment. The company also offers a wide range of connectors and passive elements. Another range of solutions offered by this manufacturer includes the ECK series of power relays. They are designed for such application areas as renewable energy systems( inverter switching, energy storage), electric vehicle charging stations and even electric forklifts. They contain hermetically sealed SPST-NO contacts closed by applying voltage from 9 V to 36 V DC. As these components can withstand currents up to 150 A, 200 A or even 250 A( depending on the model), their leads are designed as screwed connections. Their nominal voltage reaches 1 kV DC. The manufacturer has also provided for a relatively wide tolerance for instantaneous currents, which may reach up to 1000 A, thus making these elements suitable for motor operation control applications.
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AUTOMATION, CONTROL & ENGINEERING 15