MDF

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TMDF series Main Distribution Frame (from 600 pairs to 6000pairs).

TMDF Series main distribution frame is applicable by various large-capacity programme controlled switching systems, it is used to connect inside and outside cables, patch cords, to test and protect inner equipments and people’s lives. Suitable for large and small-capacity programme controlled telephone exchanges.

1. Main Features:

The frame is made of shaped alloy aluminum, it looks nice in shape and construction;
Modules offer superior and reliable connection
Perfect and reliable over-voltage and over-current protection with sound and light alarm, and self-resuming failure protection.
Fire retardant plastic materials: PPT(UL94-V0) or ABS(UL94-V0)
2. Technical data

Operating temperature: -5 ~ +40degC
Relative humidity: d85% (@30degC)
DC rush voltage: 190-260V
Pulse rush voltage: d800V(1KV/us voltage increasing rate)
Insulation resistance: 1000M©between any two separable modules
Voltage proof: e1000V(AC)/1min without breakdown or arcing
Module reliability >200 times

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