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Mining exploder

  • Type: FD-50-200D

  • FD-50-200D mining exploder is a power switching devices, which is used to detonate electric detonators, with advantage of low waste, high power, can be worked under those mine well which is in danger of methane,gas,etc.
  • Production standard:GB/T7958-2000,Q/RD003-2008.
  • Main technical parameter
  •          type
         \
    Item     		FD-50 FD-100 FD-150 FD-200
    Rated  number of detonation 50 100 150 200
    Rated load resistance 320 620 920 1220
    Peak voltage 900 1900 2400 3200
    Max open-circuit voltage 6V 6V 6V 6V
    Max short-circuit current 5A 5A 5A 5A
    Conduction testing Loop current 6-20mA 6-20mA 6-20mA 6-20mA
    Specifications and type of battery 1#  dry cell  voltage 1.5v
    Number of battery 4pcs 4pcs 4pcs 4pcs
    Charging time ≤10s ≤20s ≤20s ≤20s
    Safety power time ≤4ms ≤4ms ≤4ms ≤4ms
    Ignition Impulse 8.7<A<12.0 8.7<A<12.0 8.7<A<12.0 8.7<A<12.0
    Length of allowing external bus ≤300m ≤300m ≤300m ≤300m
    Bus distributed inductance ≤0.1mH/km ≤0.1mH/km ≤0.1mH/km ≤0.1mH/km
    Bus Distributed capacitance ≤0.1μF/km ≤0.1μF/km ≤0.1μF/km ≤0.1μF/km