Mining Explosion Proof lighting signal protective device

Purposes

Used in coal mine or underground where exists methane compound gases and dangerous explosive gases, as the comprehensive explosion-proof equipment, it applies for lighting, signal load supply, power control

and leakage protection with 127V. It could replace 2.5kVA, 4kVA dry type transformer and the control model of manual explosion-proof switches.

Technical features

Adopt WZB-7 micro-monitor protection device, with high ability of anti-interrupt, sensitive and reliable, accuracy measurement;

Full Chinese large-screen LCD backlit, pull-down menu operated indication;

Offer the password for important operation, avoiding error operation effectively;

With the function of operate-memory and inquiry;

With the function of overload, short circuit, leakage, under-voltage, over-voltage absorption and so on;

Adopt CKJ5-125 vacuum contactor as main breaking component, high breaking ability, safe and

reliable, open and close current frequently;

With standard RS485/232 communication interface, attached in KJ254 Mining power monitoring control system makes power supply automatically, bring about remote measure, telecommunication,remote control and remote regulation functions.

Technical Data