one of the main components Detailed hoist electric hoist control box, look hoist control box structure : control box by a transformer box, contactors, terminal blocks and other components of electric chain hoist control box using machines with high-quality electric winch hoist contactor , the load and momentary overload are greatly improved, can get better more suitable for frequent operation of lifting appliances needed ; protection of high quality cold rolled steel sheet stretch forming , electrostatic spray . Different lengths are also available upon request and multi-core cables flashlight door ; After the control box lid opened, detachable from the hinges , user-friendly installation and maintenance ; control box has to take the electrical and mechanical interlock chain , so that the same two groups of contacts can not be simultaneously connected to geared trolley the circuit ; each control box is equipped with electrical schematics, wiring terminals have clearly consistent with the schematic number , user maintenance, wiring.
The following is a hoist control box work conditions :
1 ambient air temperature is -20 ℃ ~ +40 ℃;
(2) Relative humidity: lowest average humidity is 90 %, while the average minimum temperature for the month was 25 ℃, and taking into account the temperature changes in the surface of the product Cream ;
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