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Main Distribution Frame (MDF)
Brief introduction:1) The HPX67 main distribution frame (MDF), a double-sided frame, consists ofvertical side (line side), horizontal side (exchange side), alarming systemand the frame itself, with optional stepladders2) The vertical side can be equipped with FT203 protection connection blocks(100 pairs), FA906 protectors as well as alarm system3) The horizontal side can be equipped with FT206 test connection blocks(100 pairs)Features:1) Complete I.D.C. type MDF2) Sound and reliable protection against over voltage and over current3) Unique FS Fail-Safe protection and self-recovery protector4) Modular design, easy installation, quick wiring, convenient maintenance5) The application of PC material greatly improves module`s strength andanti-aging capability6) Up to four grades of audio/visual alarms are provided7) Preferable capacity: 1,200, 3,000, 4,000, 5,000 and 6,000 pairs areoptional8) Besides, due to its modular design, any capacity can be reached at yourpreferenceTechnical specifications:1) Insulation resistance: ≥1,000MΩ2) Dielectric strength: ≥1,000V (AC voltage, 50Hz for 1 minute), nospark-over and no flying arc3) Contact resistance between conductor and reed: ≤3mohm4) Contact resistance between reeds: ≤7MΩ5) Conductor diameter range: 0.4 - 0.8mm6) Pulling strength: ≥25N
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