ZKC127 mine electric control switch device
This device is applicable to coal mine coal mine bottom and haulage
roadway of centralized control and single control switch
(1) the environment temperature 0°C~+40°C
(2) the relative humidity: 96% or less (25°C);
(3) installed in the water, drop of severe vibration;
(4) in the gas explosive mixture, but no damage of the insulation
gas or vapor atmospheres of mine.
(5) working voltage: AC127V50Hz;
(6) explosion-proof type: mine explosion-proof and intrinsically
safe explosion-proof marks: Exd (ib) I.