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3M™ 2178 Series Closures

3M(TM) 2178 Fiber Optic Splice Case Family
3M(TM) 2178 Fiber Optic Splice Case Family
3M(TM) Fiber Optic Splice Closure 2178-XL, white background
3M(TM) 2178-SL Fiber Optic Splice Case
3M(TM) Fiber Optic Splice Case 2178-XLB
3M(TM) Fiber Optic Splice Closure 2178-XSB, white background
3M™ Fiber Optic Splice Closure 2178 is engineered to meet common needs and field conditions, with different sizes to accommodate varying splice counts. 2178 Closures are made of a tough chemical-resistant material and have a gasket seal, making them ideal for a wide variety of applications. All 2178 closures are designed to be easy to install, easy to use and easy to re-enter.
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29 Results (Displaying results 1-15)
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Part Number3M IDSplice ConfigurationMaximum Number of PortsFlame RetardantMaximum Single Fusion Splice CapacityMaximum Mass Fusion Splice Capacity
2178-XSB80611304793Butt3No48 Splices288 Splices
2178-SL80611325814Butt, Inline6No96 Splices288 Splices
2178-XLB-EG-0T80611327679Butt3No96 Splices432 Splices
2178-S80610933147Butt, Inline6No96 Splices288 Splices
2178-XLB-B-02-01G-00N80611333875Butt3No96 Splices432 Splices
2178-XL-8G80611325608Butt, Inline12No576 Splices1728 Splices
2178-LL/FR80611008865Butt, Inline6Yes288 Splices864 Splices
2178-S/4LUG80611314628Butt, Inline6No96 Splices288 Splices
2178-LL80610933188Butt, Inline6No288 Splices864 Splices
2178-XSB-B-02-01G-30N-0N80611331879Butt3No48 Splices288 Splices
2178-XLB-B-02-01G-30N-0N80611334030Butt3No96 Splices432 Splices
2178-XSB-EG-0T80611314057Butt3No48 Splices288 Splices
2178-XL80611174691Butt, Inline12No576 Splices1728 Splices
2178-XL/FR80611174717Butt, Inline12Yes576 Splices1728 Splices
2178-LS-217280611329477Butt, Inline6No288 Splices864 Splices
29 Results (Displaying results 1-15)
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  • Full range of sizes - Fits your specific application
  • No special tools required (standard torque wrench) - Easy installation and re-entry
  • Constructed of a highly chemical-resistant material - Can be deployed in most applications: buried, underground and aerial
  • Gasket seals - Reusable for easy re-entry
  • Unique strength member clamp assembly - Prevents cable sheath movement with temperature changes
  • Spacious fiber management areas - All closures provide separate areas for routing, protecting and expressing buffer tubes and ribbon fibers
  • Flexible drop or cable addition - Multiport grommets provide entry for drops or cables
  • Flame-retardant materials - All 2178 closures are available in a flame-retardant model, giving you even more application choices (Flame Retardant Material: UL-94V-0)


 Applications‎ Manholes‎ ,  Vault‎ ,  Indoor‎ ,  Wall Mount‎ ,  Aerial Strand Mount‎ ,  Pedestal‎ ,  Underground‎ ,  Pole Mount‎
 Cable Type‎ Dielectric‎
 Closure Height‎ 4.6 Inch‎ ,  11.3 Inch‎ ,  11.0 Inch‎ ,  4.7 Inch‎ ,  8.0 Inch‎ ,  5.8 Inch‎
 Closure Length‎ 27.0 Inch‎ ,  21.9 Inch‎ ,  14.6 Inch‎
 Closure Type‎ Bolted Half‎
 Closure Width‎ 13.3 Inch‎ ,  10.1 Inch‎ ,  8.5 Inch‎
 Compatible With‎ 2178 Series‎ ,  Better Buried Closures‎ ,  2-Type 505 Closures‎
 ETIM Class 5.0‎ EC000762‎
 Family‎ 2178 Series‎ ,  2-Type 505‎ ,  Better Buried‎
 Flame Retardant‎ Yes‎ ,  No‎
 Grommet Included - Model Number‎ 2178-6PGA‎
 Indoor/Outdoor‎ Indoor‎ ,  Outdoor‎
 Maximum Mass Fusion Splice Capacity‎ 1728 Splices‎ ,  288 Splices‎ ,  432 Splices‎ ,  864 Splices‎
 Maximum Number of Drop Ports‎ 3‎ ,  6‎ ,  12‎
 Maximum Number of Ports‎ 3‎ ,  6‎ ,  12‎
 Maximum Number of Splice Trays‎ 2 Trays‎ ,  4 Trays‎ ,  12 Trays‎
 Maximum Single Fusion Splice Capacity‎ 288 Splices‎ ,  576 Splices‎ ,  48 Splices‎ ,  96 Splices‎
 Number of Splice Trays Included‎ 2 Trays‎ ,  None‎ ,  1 Tray‎
 Product Type‎ Splice Closure‎ ,  Accessory‎
 Seal Type‎ Watertight‎
 Splice Configuration‎ Inline‎ ,  Butt‎
 Splice Tray Included - Model Number‎ 2527‎ ,  2532‎
 Splice Type‎ Mass Fusion‎ ,  Single Fusion‎