Distribution Box for Terminal Block 10 Pair 15 Pair 20 Pair 25 Pair 30 Pair, STUB Box, DP Box, China Terminal Block Distribution Box

Summit Telecom is China leading manufacturer provides Distribution Box for Terminal Block, STUB Box, DP Box, etc. in outside plant.

  • Description:
1. Item Code: ST VX-TB
2. VX Terminal Block Distribution Box is used in terminating cables of secondary telephone networks to the cable pairs of subscriber lines.
3. The Distribution Box consists of a body and cover which houses VX Stubbed Terminal Block. Provision for wall mounting is incorporated in the box body.
4. The lid has various opening positions, which can be selected according to the amount of working space available, and is also fitted with a seal to limit water entry.
5. Grommets are provided for dropwire and pair access.
6. The locking mechanism of STUB Box is mounted in the base and is effective on closing the box; to open the box again a special key or a screwdriver is required depending upon the lock type.
7. The terminal block is manufactured separately and then screwed into the terminal block distribution box. Block can be manufactured from 5 to 30 pairs in units of 5 and a terminal for a pilot pairs may also be provided.
8. The ground terminals of each pair are electrically connected to the cable shielding and to an external ground terminal. The unit is sealed with resin and the cable-block connection is sealed with heat-shrink tubing.
9. VX Terminal Block Distribution Box is especially recommended for:
a) Outdoor connections where the environmental conditions are extremely aggressive
b) Terminations where user development characteristics require future flexibility in terms of the type of protection or filtering capabilities.
10. Capacity of DP Box: 10 pair, 15 pair, 20 pair, 30 pair.
  • Sizes:

Capacity(Pairs) A B C
10 155 195 64
15 155 195 64
20 180 269 64
25 195 293 83
30 195 293 83
  • Technical characteristics:

    Characteristics of the contact connection
    Connector of the distributive wire
Range of the section: diameter 0,4… 1,2 mm
Diameter on the isolation: it is maximal 5 mm
The current-response characteristics: 20 A (10 A on each conductor) during not less than 10 min, without the deformation of the module
Insulation resistance *  
“Dry” atmosphere: > 10 12 Ohm
“Moist” atmosphere (standard ASTM Of d618, procedure F): > 10 12[Om]
Salt fog: (standard ASTM Of b117) > 10 10 Ohm
Immersion beside the water: (15 days before 3% solution Of naCI) > 10 10 0[m]
The contact resistance  
R of material + R of the contact cross connection + by R of the contact connection of the wires < 10 m
Increase in the contact resistance  
After climatic testings: <2,5 m 
After 50 connections - turning offs: <2,5 m
Dielectric strength: >3 kV of direct current during 1 minute
  • Mechanical characteristics:
Base     Polycarbonate RAL 7035
Cover Polycarbonate RAL 7035
Cable grommet EPDM
Dropwire grommet Thermoplastic Rubber
Pair/drop wire housing screw Special Passivate Diret+Lacquered Zamac Alloy
Drop wire housing body Transparent Polycarbonate
Body V-0 glass-fiber reinforced polycarbonate