YBJ winch YBJ-25-4 with an explosion-proof motor, explosion-proof electrical winch technical parameters Insulation class: F Rated voltage: 380 / 660V, 660 / 1140V synchronous speed: protection: IP55 Frequency: 50HZ Duty: S1 without feet ) YBJ winch coal mine explosion-proof three-phase asynchronous motor with foot) YBJ winch coal mine explosion-proof three-phase asynchronous motors, winch with explosion-proof motor (1) YBJ explosion-proof motor flag ExdI. (2) winch with explosion-proof motor structure and mounting for IMB3, IMB5, IM9001. (3) the main winch with explosion-proof motor enclosure protection class IP44 or IP54 or IP55, IP54 terminal box or IP55. (4) winch with explosion-proof motor cooling method is IC410, IC411, IC416. (5) winch with explosion-proof motor insulation class F or H, stator winding temperature margin, long life. (6) winch with explosion-proof motor with end of the cylindrical shaft extension, by the flexible coupling or spur gears turning. (7) winch with explosion-proof motor stator winding of high-strength polyester enameled round copper and processed by the VPI dipping into a complete whole, winding and insulation has excellent electrical, mechanical, moisture resistance and thermal stability. YBJ winch with explosion-proof motor YBJ-25-4