20 pairs Subscriber Terminal Block STB Drop Wire distribution box without protection
I. Overview
10 & 20 Pair Distribution Box, with a function of cable splicing and termination.
Distribution box can be used both indoor and outdoor, and the strength is good sealing,
water-proof, and moisture-proof and easy installation.
II. Main Features
Test is followed the information communication MDF YD/T694-1999; junction box
YD/T-1999; Distribution Box YD/T881-1996 standard)
1. Operating Environment
Ambient temperature: -20℃-55℃;
Relative humidity: ≤ 85% (+30℃);
Atmospheric pressure: 70-106Kpa
2. Mechanical Characteristic
The mechanical characteristic of the box should be test in 10~25℃ and relative humidity
25~60% environment.
Place the distribution box at a height of 1 meter above the ground, and drop it naturally on
a 1 centimeter-thick solid wooden. After test, there should be no scratch on the distribution
box.
Salt Fog Test
Din Rail, Grounding Stud, Screw and nut is over 48 hours
Test is based on:GB/T 2423.17-1993 Basic environmental testing procedures for
electric and electronic products Test Ka:Salt mist
