The Main Distribution Frame is applicable by various large-capacity programme controlled switch systems,It is used to connect inside and outside cables ,patchcords,to test and protect inner equipments and people lives,suitable for large and small capacity programme controlled telephone exchanges.

Features

1. It consists of frame ,protection blocks,test blocks,protector modules, alarm system andgrounding protection accessories.

2. Complete aluminum frame,with good stuffness and outward.This product has tow types:double-side frame and single-side frame.The double-side frame is safety grounding system facilitate installation and enlarge capacity ,The single-side frame is facilictate operation and maintenance.also saving the space requirement.

3. with four-grade alarm system,using the monitoring system such as gate phone,power supply or guard against theft to output remote monitoring signal.

Work circumstance:

Temperature: 0 ~ 40degree

Relative Humidity: 85% (+30degree) Atmospheric pressure: 70 ~ 106KPa

Main technical indexes:

Material: reed using tin bronze, and the outer layer of silver-plated,

Approve National Standards: YD/T694-2004 Main Distribution Frame

Insulation Features:≥ 2000Mohm

Contact resistance:≤7mohm

Resistance to voltage:≥1000V/1min without breakdown or arcover-curren

certification