1.Rated Voltage :133/380/660/1140V 2.Rated Capacity:8.0/10.0KVA 3.Rated Current :4.05/5.1/7.0/8.7/12.5/15.2/34.7/43.4A
Purpose
It is suitable to the coal mine well with explosive mixed gas containing methane, used
as the supply power of 127V lighting and signal load , power control and current
leakage protection. It can replace 2.5KV,4KV dry type transformer and multiply
control modes of manual explosion-proof switch.
Technical Features
1.With WZB-7microcomputer monitoring protective device, anti-interference
strong, protection sensitive and reliable; gauging precision high;
2.All English large screen LCD display, automatically shade light, menu operation
indication;
3.For the operation of important parameters ,password needed, this way can avoid
the occurrence of wrong operation;
4. With functions of event memory and event checking ;
5. with the standard RS485 communication interface, configured
with KJ254 mining power monitoring system to achieve the automation of
power distribution device and functions of remote gauging, remote
control, remote adjustment and so on.
Technical data
Rated Capacity(KVA) | 8 | 10 |
Rated Voltage(V) | 1140,660,380/133 | 1140,660,380/133 |
Rated Current(A) | 4.05,7.0,12,5/34.7 | 5.1,8.7,15.2/43.4 |
Wire Connection Mode | Y Δ/Δ | Y Δ/Δ |
Tolerance Temperature Rise(K)ical Data | 85 | 85 |
Mining Ex-proof lighting signal comprehensive protective device
