Applications and feature:

STB is a high reliability connection module, designed to withstand all exsiting climates.  Watertight by design, it provide the best service for the following applications:

Interface boxes UG/Aerial Networks.

Specifications Contact characteristics

Drop wire connector:

Gauge range  0.4 to 1.0mmφ     insulation diameter:5.0mm maxφ

Pair connector:

Gauge range  0.4 to 1.0mmφ     insulation diameter:3.0mm maxφ

Current conducting capacity

20A 10A per connector for 10 minintes at least without causing deformation of the module( if 20A up to 30A is required, this is possible using a different GDT)

Insulation resistance

Dry atmesphere                                     1012Ω

Damp atmesphere(ASTMD618)                        1012Ω

Salt fog(ASTMB117)                                  1012Ω

Immersion in water(15 days in 3% NaCi solution)         1012Ω

Contact resistance

RMaterial+Rbridge contacts+Rwire contacts                10mΩ

Increase in contact resistance

After climatic tests                                    2.5mΩ

After 50 reinsertions                                   2.5mΩ

Dielectric strength                                     3000 Vdc for 1 minutes

Mechanical characteristics

Pair/drop qire housing screw      Special passivated direct+lacquered zamac alloy

Drop wire housing body           Transparent polycarbonate

Body                           VO glass-fiber reinforced polycarbonate

Insertion contacts                Tinned phosphor bronze

Ground contacts                 Cu-Zn-Ni-Ag alloy

Lower sealant                   Epoxy resin

Upper cable sealant              Silicone filled

Pair/drop wire bearing cover      Polycarbonate

Plug-in module body             VO glass-fiber reinforced polycarbonate

Plug-in module sealant           Gel

O-ring                       EPDM

Spring                         Stainless steel

Cable/drop wire membrance       Thermoplastic rubber