2178-SL [3M]

The 3M™ Fiber Optic Splice Closure 2178 family provides multiple real-world solutions with five key aspects: a complete product family with seven distinct models (XSB, XLB, S, SL, LS, LL, XL) in flame-retardant and non-flame-retardant versions; future-proof solutions with scalability and flexibility to expand based on splicing capacity and cable entry ports; easily re-enterable designs with reusable gasket and bolted halves; flexible environment applications for aerial, central office vault, manhole, pedestal and handhole, accommodating mechanical and fusion splicing, inline and butt configurations; and network flexibility with variety of sizes, materials and configuration options. The closures accommodate cables of varying sizes and provide flexibility to add ports with cable addition kits. They feature a flexible tray system for positionable or fixed splice inserts, allowing technicians to re-enter and swap out splice holders, and mix and match splice types (fusion and mechanical). The same tray can be used for discrete or mass splicing. All closures are designed to be easy to install, easy to use and easy to re-enter, with reusable gasket, no special tools required, constructed of highly chemical-resistant material, and available in flame-retardant models meeting UL-94V-0.