KDW127/12 Coal mine pouring seal and intrinsically safe DC stabilized power is suitable for places where there are explosive gas mixtures such as gas in coal mines, and supplies power to devices such as intrinsically safe cameras or sensors of coal mine safety production monitoring system, also known as: Coal mine pouring seal Power, Coal mine intrinsically safe power, Coal mine pouring seal and intrinsically safe DC regulated power.
Explosion-proof type: mine pouring seal and intrinsically safe type,
Explosion-proof mark: Ex Mb [ib Mb] I Mb
Use environmental conditions:
a) Ambient temperature：-10℃～+40℃；
b) Average relative humidity：≤95％；
c) Atmospheric pressure：80kPa～106kPa；
d) There are dangerous environments such as gas and coal dust underground in coal mines。
Power supply：
a) Rated supply voltage：AC127V；
b) Power supply voltage fluctuation range：AC95V～AC140V；
c) Input apparent power：≤60VA。
Technical parameter：T
1 channel intrinsically safe 12V DC power output, see the table for basic parameters 1。
table 1
Number of output channels | Nominal output voltage(V) | Rated output current(A) | Open circuit voltage(V) | Short circuit current(A) | Overcurrent protection value(A) | Periodic and random offset peak-to-peak(mV) | source effect | Load effect | Output voltage deviation value |
1 | 12 | 1.6 | ≤12.5 | ≤1.75 | ≤1.75 | ≤250 | ≤5% | ≤5% | ≤5% |
Function：
a) 1 channel intrinsically safe 12V DC power output；
b) The power supply has over-current protection and short-circuit protection functions, and self-recovery function for troubleshooting。
