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KBZ Explosion Proof Vaccum Feed Switch for Coal Mine Well
KBZ Explosion Proof Vaccum Feed Switch for Coal Mine Well

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1)function of wind power methane interlock
2)with kinds of protective functions
3)diod indication functioon

Purpose

 

explosion-proof vacuum feed  switch for mine is suitable to the mine well with mixed gas containing methane.

 

In the power supply system of 50 Hz AC, rated voltage of 1140 V and below and the triphase neutral not grounding,the product can be used as distribution main switch alone ,distribution branch switch and also the control of motor not start frequently .

 

The switch connects with KJ254 mine system of power automatic control and synthesis  monitoring to achieve remote automatic control and monitorinf of equipment ,at last ,to achieve noboby is on gard of monitoring.

 

Technical features

 

1)    With the display of closing,opening,fault and insulation resistance of kilohmmeter;

2)    Times of overload and short circuit can be adjustable by DIP plug;

3)    with the protective functions of short-circuit, overloading, current leakage interlock,

        triphase  symmetry current leakage,selective current leakage,branch switch current leakage.

4)    With the function of wind power methane interlock.

 

Technical Data

 

Rated power(V)

1140,660

Rated current(A)

400,200

Work frequency(Hz)

50

Over load times

0.3-1.0

Short circuit times

1.0-10

Closing mode

Mechanical closing and mechanicalhold

 

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