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
