Mine flameproof and intrinsically safe DC regulated power , Mine power
KDW127/12B mine explosion-proof and intrinsically safe DC regulated power , also known as: mine power supply, mine explosion-proof uninterruptible power , Mine explosion-proof power , Mine explosion-proof and intrinsically safe DC regulated power. It is a Mine explosion-proof and intrinsically safe type, and is used in places where there is a danger of gas and coal dust explosions in coal mines. Mainly used to provide power for intrinsically safe or explosion-proof and intrinsically safe signal terminals and other
KDW127/12B mine explosion-proof and intrinsically safe DC regulated power , also known as: mine power supply, mine explosion-proof uninterruptible power , Mine explosion-proof power , Mine explosion-proof and intrinsically safe DC regulated power. It is a Mine explosion-proof and intrinsically safe type, and is used in places where there is a danger of gas and coal dust explosions in coal mines. Mainly used to provide power for intrinsically safe or explosion-proof and intrinsically safe signal terminals and other equipment
Explosion-proof type: Mine flameproof and intrinsically safe type
Explosion-proof mark：MbEx db [ib Mb] I Mb
power supply：
a) Rated working voltage: AC 127V
b) Power supply voltage fluctuation range：75%～110%
c）Input apparent power：≤120VA
Main technical parameters：
2-way intrinsically safe 12V DC power output（2 outputs do not share the ground wire）:
Serial number
Project
first output
second output
1
Nominal output voltage
12V
12V
2
Rated working current
1.6A
1.6A
3
Maximum open circuit voltage
12.5V
12.5V
4
Overcurrent protection value
1.8A
1.8A
5
Maximum short circuit current
200mA
200mA
6
Periodic and random offset peak-to-peak
250mV
250mV
7
Output voltage deviation value
≤5%
≤5%
8
Source effect
≤5%
≤5%
9
Load effect
≤5%
≤5%
Note:：2 outputs do not share the ground wire
Backup Power Features:
The spare battery pack is powered by five 9856130 lithium manganate batteries in series with protection panels. The nominal voltage of each battery is 3.7V DC and the nominal capacity is 8Ah.
a) Conversion time：≤300ms
b) Working Hours:3h
c) Maximum charging voltage:≤21.5V
d) Discharge termination voltage:14.0V～16.0V
Function:
a) The power supply has 2 intrinsically safe 12V DC voltage outputs；
b) The power supply has the functions of overcurrent protection, overvoltage protection, short circuit protection, and self-recovery function for troubleshooting。
