Mining Ex-proof lighting signal comprehensive protective device

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