BSBT Series

BSBT Series

Space-Saving Building Entrance Systems for Multiple

Emerson BSBT Series closures are compact building entrance systems for apartment buildings, townhouses, condominiums, light commercial buildings, and other multiple dwellings. The closures are designed to mount on virtually any surface and their terminal blocks feature bright, acid-tin-plated studs, nuts and washers to prevent corrosion, as well as polyurethane resin potting to prevent cracking. The OBT features a splice chamber capacity of up to 900 pairs while the OBT 12 closure has a splice capacity of up to 1,500 pairs, and both terminal types are made of heavy gauge mill-galvanized steel and treated with a unique finishing process for longer life.


  • Housing made of mill-galvanized steel
  • Built-in splice chamber
  • Multi-stage finishing process meets EPA standards and provides a tough, corrosion-resistant finish
  • UL Listed
  • Compact cross-connect system requires minimum mounting space  
  • Hinged divider plate for easy access splicing
Product Downloads
Brochures and Data Sheets