Han® 3A 2 x LC Duplex Fiber Optic Cable Assembly – IP67-Rated, Rugged Plug-and-Play Connectivity

The Han® 3A 2 x LC Duplex connector cable assembly is a robust, pre-terminated fiber optic solution designed for demanding industrial, broadcast, and infrastructure environments. Built around the compact and proven Han® 3A connector format with two LC duplex interfaces on each end (4 fibers total), this assembly combines high-density optical connectivity with the durability of a metal, IP67-rated housing. It is engineered for reliable data transmission in both indoor and outdoor applications where mechanical stress, contamination, and harsh environmental conditions are a concern.

Each end of the cable is equipped with a Han® 3A connector populated with 2 × LC duplex interfaces, allowing for straightforward point-to-point or multi-channel links. The LC connectors use 1.25 mm ceramic, axially spring-loaded ferrules to ensure precise fiber alignment and consistent optical contact over the assembly’s service life. This results in low insertion loss values of ≤ 0.25 dB for multimode and ≤ 0.15 dB for singlemode fibers, comparable to or better than typical LC-based industrial assemblies available in the market. The assembly supports multiple fiber types, including multimode (MM), singlemode (SM), and singlemode APC 8°, giving planners and system integrators flexibility to match performance and reach requirements in modern high‑speed networks.

The core of the assembly uses a WEINERT Fiber Optics FiberConnect® A‑V(ZN)11Y(ZN)11Y cable with 4 tight-buffered fibers (TB900L, 0.9 mm). These fibers are color-coded (red, yellow, blue, green) for fast and error-free identification during installation and maintenance. Around the fibers, aramid yarns provide effective strain relief and ensure that tensile forces up to 2000 N are safely absorbed by the cable structure rather than the fibers themselves. The cable offers a static minimum bend radius of 90 mm and a dynamic bend radius of 120 mm (during assembly with tensile strain), which fits well with the handling expectations for industrial-grade fiber while maintaining excellent optical performance.

The mechanical robustness of the assembly is further enhanced by its crush resistance of 1000 N/dm (long term) and an impact resistance tested with 30 impacts at 1 Nm and a radius of 12.5 mm. These values place the product in the same performance class as other heavy-duty industrial fiber cables used in automation cells, mobile equipment, and stage and event technology. With an approximate outer diameter of 6.0 mm and a specific weight of about 33 kg/km, the cable is compact enough for cable chains, conduits, and routed installation paths, yet strong enough for mobile and frequently moved applications.

The inner and outer jackets are made of TPE-U, offering excellent flexibility as well as high resistance to oil, petrol, acids, leach, and many common industrial chemicals. The UV-resistant outer jacket is typically supplied in orange for easy identification as fiber optic cabling, though other colors can be provided on request for system-specific color coding. In line with modern safety requirements, the jacket materials are flame-retardant according to IEC 60332-1-2 and halogen-free as per IEC 60754-1, which helps reduce corrosive and toxic smoke in case of fire and supports use in confined spaces, public infrastructure, and sensitive installations where low smoke and zero halogen performance is critical.

Environmental resilience is a key characteristic of this assembly. The operating temperature range of −40 °C to +70 °C covers a broad spectrum of scenarios, from unheated outdoor cabinets and exposed industrial sites to warm equipment rooms. Storage temperatures down to −55 °C and up to +80 °C ensure that the product can withstand transport and warehousing under difficult climate conditions without performance degradation. The recommended installation temperature range of −5 °C to +50 °C supports year-round deployment in many regions without the need for special heating or cooling measures during installation.

On the connector side, the Han® 3A housing is manufactured from metal and features an integrated locking lever, providing secure mating and reliable strain relief at the connector interface. With an IP67 protection class when mated, the assembly is effectively protected against dust ingress and temporary immersion in water, which is essential in washdown areas, outdoor installations, and other harsh environments. The connector design supports up to 200 mating cycles, making it suitable for applications where connectors are frequently connected and disconnected, such as mobile measurement equipment, temporary event networks, and reconfigurable industrial setups.