2013年7月22日星期一

Electric hoist control box working conditions and precautions


Rope hoist control box structure:
1 control box by the cabinet, contactors, transformers, terminals and other components can also be supplied in different lengths according to user requirements of multi-core cables and flashlight door; control box lid opened, the detachable from the hinge, user installation, maintenance; control box has to be had electrical and mechanical interlock chain, so that the same group of two contactors can not simultaneously connected to the circuit; each control box is equipped with electrical schematics, wiring terminals are consistent with the schematic clear number, user maintenance, wiring.
rope hoist  control box, using high-quality chain with a machine AC contactor, the load and instantaneous overload are much improved, can get better, more suitable for frequent operation of lifting appliances required; protection of high quality cold rolled steel plate stretch forming, electrostatic spray, reliable performance, beautiful appearance.
 
Electric hoist control box working conditions:
1 Altitude not more than 2500 m;
(2) Ambient air temperature of -20 ℃ ~ +40 ℃;
3 Relative humidity: lowest average humidity is 90%, while the average minimum temperature for the month was 25 ℃, and taking into account temperature changes on the surface of the product Cream;
4 workplaces should have no violent shaking and vibrations;
5 In the absence of explosive medium, the medium does not corrode metal and damage the insulation of gas and dust (including conductive dust);
6 In the absence of rain and snow (rain, except the control box).
 
Wire rope hoist control box Caution:
An installation must be checked before connecting screw is loose, the product was damaged during transport if found defective, risks must be rapidly eliminated.
2, the control box must be mounted vertically, the tilt angle of not more than 5 degrees.
3 electric hoist must be checked when testing whether the buttons work the same state, which do not meet the control box wiring should be adjusted to change the phase sequence.
4 coded wiring installation should pay attention shall be in accordance with the electrical wiring diagram.

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