mining explosion-proof electric meter box is for coal mine use.

Mining explosion-proof electric meter box

DBB-200,400,600/1140(660)S

use

the device is applicable to the coal mines containing explosive gas (methane) and industrial enterprises, used for calculating the active power in the power system of the AC 50Hz and voltage of 1140V or 660V.

function featurelarge screen LCD display, to facilitate intuitive readings;with RS-485 communications, enabling remote meter reading and monitoring ( the need for this function must be order)with time billing function( the need for this function must be order)main technical parameters

Model	Rated voltage (V)	Voltage transformer ratio	Rated current (A)	Current transformer ratio
DBB-200,400,600/1140(660)S	1140/660	1140/100  660/100	200  400  600	200/5  400/5  600/5

mining explosion-proof electric meter box