Sunsea Type 128 Pairs MDF Main Distribution Frame Telephone Terminal Block
Description
The protecting module is used in MDF(main distribution frame),which is used to connect the cable and protect the equipments and workers from the overload of voltage and current .The module adopts high-density design to make the frame more compact . The design is optimize the capacity rate.
Main Features and functions
1.Connection function: connection of the cable and patch cord;
2.Normally open contact :insert the protector to connect it ;
3.Each line is separated;
4.Dule-contact point on each clamping terminal;
5.Front operation: all the operation is from the front;
Main Specifications
1.Available cable:Diameter of fiber:0.32mm~0.6mm;Maximum diameter(including insulate layer)1.4mm;
2.Insulation Rs:≥1000MΩ;
3.Electrical strength:1000V(45~60Hz)/min without punching and arc;
4.Contact insulation:≤7MΩ;
5.After all the tests,the increase contact Rs≤3MΩ;
6.The contact pressure of protector reed>5N;
7.Pull away strength ≥25N;
8.Clamping life>200;
9.Transmission characteristic (4kHz~2.2MHz);
10.Insertion loss≤ 1.5dB;
11.Return loss≥ 10 dB;
12.Flammability concord to GB/T5169.7-1985;
